The 20 Best Radiation Enteritis Doctors Near Me in New York, US

Find the Top Radiation Enteritis Experts and Specialists

Last Updated: 04/28/2026

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MediFind found 163 doctor with experience in Radiation Enteritis near New York, US. Of these, 147 are Experienced, 12 are Advanced, 3 are Distinguished and 1 are Elite.

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163 providers found
    Elite in Radiation Enteritis
    Gastroenterology
    Elite in Radiation Enteritis
    Gastroenterology

    CUIMC/Herbert Irving Pavilion

    161 Fort Washington Avenue, Floor 8, 
    New York, NY 
    Experience:
    44+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Bo Shen, MD, is one of the world’s pre-eminent leaders in interventional inflammatory bowel disease (IBD) and pouch-related disorders due to his specialized expertise and experience treating a wide range of these conditions. Dr. Shen is the director of the IBD Center at Columbia and co-director of Columbia’s Global Center for Integrated Colorectal Surgery and IBD Interventional Endoscopy. He is also the Vice Chair for Innovation in Medicine and Surgery and a Professor of Medicine (in Surgery) and Edelman-Jarislowsky Professor in Surgical Sciences.In addition to pouchitis and pouch diseases, Dr. Shen specializes in critical diagnostic evaluation, and medical and endoscopic management of IBD, GI endoscopy and imaging technology. Dr. Shen is known as a pioneer in interventional endoscopic therapy for IBD and ileal pouch disorders - this includes postponing or eliminating the need for surgery in some cases.Dr. Shen comes to Columbia/NewYork-Presbyterian from the Cleveland Clinic, where he served as medical director for the Center of Inflammatory Bowel Diseases and the Ed and Joey Story Endowed Chair, Digestive Disease and Surgery Institute. While there, Dr. Shen established a subspecialty Pouchitis Clinic and Interventional IBD Unite - the first and largest of its kind in the United States. He also created an IBD Board, modeled after oncology tumor boards, to help manage the most challenging cases with multiple specialists.A prolific researcher in the field with more than 600 peer-reviewed articles, Dr. Shen is funded by a number of government and philanthropic organizations, including the NIH, the American Gastroenterological Association, American College of Gastroenterology, the Broad Foundation, and the Crohn’s and Colitis Foundation of America. Dr. Shen is rated as an Elite provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 34 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Colitis, Ileostomy, and Endoscopy. Dr. Shen is currently accepting new patients.

    Distinguished in Radiation Enteritis
    Colorectal Surgery | General Surgery
    Distinguished in Radiation Enteritis
    Colorectal Surgery | General Surgery

    Northwell Health Physician Partners Center For Advanced IBD Care

    125 Community Drive, Suite 100, 
    Great Neck, NY 
    Languages Spoken:
    English
    Offers Telehealth

    An internationally recognized colorectal surgeon, Feza Remzi, MD is a leader in the surgical management of inflammatory bowel disease (IBD) and other colorectal diseases. He specializes in the treatment of patients with complex colorectal conditions including ulcerative colitis, Crohn s Disease, diverticulitis, pelvic pouch procedures, sphincter-saving operations of the rectum, and re-operative abdominopelvic surgeries. Dr. Remzi has published over 300 peer- reviewed articles and book chapters on the surgical management of IBD, and ileal J-pouch. He has been recognized with several awards and honors, including being voted as one of the Castle Connolly and New York Magazine Top Doctors in New York. In 2010, he was honored with honorary fellowship/membership at the Annual National Surgical Congress in Turkey as the first recipient of this award from this society. A native of Turkey, Dr. Remzi earned his medical degree from Hacettepe University School of Medicine in Ankara, Turkey. He completed his general surgery residency and a fellowship in colon and rectal surgery at the Cleveland Clinic. Dr. Remzi is rated as a Distinguished provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Viral Gastroenteritis, Ulcerative Colitis, Ileostomy, and Endoscopy. Dr. Remzi is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

    Distinguished in Radiation Enteritis
    General Surgery
    Distinguished in Radiation Enteritis
    General Surgery

    Office

    5100 W Taft Rd, 
    Liverpool, NY 
    Languages Spoken:
    English

    John Nicholson is a General Surgeon practicing medicine in Liverpool, New York. Dr. Nicholson is rated as a Distinguished provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 14 other conditions, according to our data. His clinical expertise encompasses Radiation Enteritis, Rectal Prolapse, Diverticular Disease, Colostomy, and Hernia Surgery.

    Learn about our expert tiers
    Distinguished in Radiation Enteritis
    Internal Medicine
    Distinguished in Radiation Enteritis
    Internal Medicine

    Mount Sinai

    1 Gustave L Levy Pl, 
    New York, NY 
    Languages Spoken:
    English

    Maia Kayal is an Internal Medicine provider practicing medicine in New York, New York. Dr. Kayal is rated as a Distinguished provider by MediFind in the treatment of Radiation Enteritis. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Ulcerative Colitis, Hemorrhagic Proctocolitis, Colitis, Ileostomy, and Endoscopy.

    Advanced in Radiation Enteritis
    Gastroenterology
    Advanced in Radiation Enteritis
    Gastroenterology
    132 East 76th Street, Ofc 2g, 
    New York, NY 
    Languages Spoken:
    English, Italian

    Peter Baiocco is a Gastroenterologist practicing medicine in New York, New York. Dr. Baiocco is rated as an Advanced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Radiation Enteritis, Gastrointestinal Bleeding, Menetrier Disease, and Gastroesophageal Reflux Disease (GERD).

    Advanced in Radiation Enteritis
    General Surgery
    Advanced in Radiation Enteritis
    General Surgery

    Office

    50 New Scotland Ave Fl 5, 
    Albany, NY 
    Languages Spoken:
    English

    Edward Lee is a General Surgeon practicing medicine in Albany, New York. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 29 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Diverticular Disease, Ulcerative Colitis, Ileostomy, and Hernia Surgery.

    Advanced in Radiation Enteritis
    Gastroenterology
    Advanced in Radiation Enteritis
    Gastroenterology

    Long Island Digestive Disease Consultants Gastroenterology At Setauket

    8 Technology Drive, Suites 101, 102 & 105, 
    East Setauket, NY 
    Languages Spoken:
    English

    William Cohn is a Gastroenterologist practicing medicine in East Setauket, New York. Dr. Cohn is rated as an Advanced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Irritable Bowel Syndrome (IBS), Familial Adenomatous Polyposis, Colonoscopy, and Gastrectomy.

    Advanced in Radiation Enteritis
    Gastroenterology | Internal Medicine
    Advanced in Radiation Enteritis
    Gastroenterology | Internal Medicine
    2001 Marcus Avenue, Suite E130, 
    New Hyde Park, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Rajiv Bansal is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New Hyde Park, New York. Dr. Bansal is rated as an Advanced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 64 other conditions, according to our data. His clinical expertise encompasses Colitis, Viral Gastroenteritis, Gastric Dysmotility, Gastrectomy, and Endoscopy. Dr. Bansal is board certified in American Board Of Internal Medicine/Gastroenterology.

    Advanced in Radiation Enteritis
    Gastroenterology | Internal Medicine
    Advanced in Radiation Enteritis
    Gastroenterology | Internal Medicine

    Allied Digestive Health, LLC

    1375 Washington Ave Ste 101, 
    Albany, NY 
    Experience:
    40+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Richard Clift is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Albany, New York. He has been practicing medicine for over 40 years. Dr. Clift is rated as an Advanced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Endoscopy, and Gastrectomy. Dr. Clift is board certified in American Board Of Internal Medicine Subspecialty, Gastroenterology and American Board Of Internal Medicine. Dr. Clift is currently accepting new patients.

    Experienced in Radiation Enteritis
    Colorectal Surgery
    Experienced in Radiation Enteritis
    Colorectal Surgery
    515 Madison Avenue, Room 705, 
    New York, NY 
    Languages Spoken:
    English

    "Jason Ross Penzer, MD, is a colorectal surgeon with more than 20 years of experience in the treatment of colon, rectal and anal disease. Dr. Penzer moved his private practice to Lenox Hill Hospital in 2010, where he serves today as an attending surgeon.Dr. Penzer grew up in a medical family and was inspired by his father. ""I would spend a lot of time going on rounds with him as a child, sitting at the nurse's station with my coloring book,"" he says. ""Later, I fell in love with surgery during my third-year surgical rotation in medical school; it was the only thing I wanted to do. I didn't want to pass patients on to others-I wanted to be their problem solver.""Dr. Penzer graduated magna cum laude from Harvard College, earned his medical degree from Yale University, then did his general surgery training at St. Vincent's Hospital in Manhattan. He was a colon and rectal surgery fellow at the University of Medicine and Dentistry of New Jersey (UMDNJ). Now, as a clinical assistant professor at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, he passes on his knowledge by giving several lectures a year and teaching residents and medical students in the operating room.Passionate about contributing to advancements in his field, Dr. Penzer served for many years on committees at the American Society of Colon and Rectal Surgeons and was the site director of surgical education for New York Medical College at Saint Vincent's Hospital. He is double board-certified by the American Board of Surgery and the American Board of Colon and Rectal Surgery and has been listed repeatedly in Castle Connolly's Top Doctors. He has co-authored a textbook chapter in Current Therapy in Colon and Rectal Surgery and has written for several industry publications. Early on in his career, Dr. Penzer was a pioneer in the treatment of colorectal disease and anal cancer in patients with HIV.For Dr. Penzer, the most rewarding aspect of his career is the trusting relationships he builds with patients. ""Colorectal diseases affect people of all ages and backgrounds,"" he says. ""We treat young people, older people, and everyone in between. Depending on the condition, we may see them on an ongoing basis for decades. I get to build lifelong relationships with my patients, and not every doctor can say that.""". Dr. Penzer is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Proctitis, Mesenteric Venous Thrombosis, Anal Fissure, and Pilonidal Sinus Disease. Dr. Penzer is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

    Experienced in Radiation Enteritis
    Gastroenterology
    Experienced in Radiation Enteritis
    Gastroenterology

    GLPP Gastroenterology

    15 South Main Street, Suite 160, 
    Jamestown, NY 
    Languages Spoken:
    English
    Accepting New Patients

    James Campion, MD, is a physician board-certified in gastroenterology by the American Board of Internal Medicine. Dr. Campion received his medical degree from SUNY University at Buffalo Jacobs School of Medicine and Biomedical Sciences and completed his residency at Johns Hopkins Bayview Medical Center. Dr. Campion is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Gastric Dysmotility, Diverticular Disease, Barrett Esophagus, Gastrectomy, and Colonoscopy. Dr. Campion is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine. Dr. Campion is currently accepting new patients.

    Experienced in Radiation Enteritis
    Gastroenterology
    Experienced in Radiation Enteritis
    Gastroenterology

    Peconic Bay Medical Group At Manorville, Building D1

    496 County Road 111, Building D1, 
    Manorville, NY 
    Experience:
    10+ years
    Languages Spoken:
    English, Farsi, Hebrew, Spanish
    Offers Telehealth

    Kevin Yeroushalmi is a Gastroenterologist practicing medicine in Manorville, New York. He has been practicing medicine for over 10 years. Dr. Yeroushalmi is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. His clinical expertise encompasses Diarrhea, COVID-19, Radiation Enteritis, Neuroendocrine Tumor, and Endoscopy. Dr. Yeroushalmi is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.

    Experienced in Radiation Enteritis
    Gastroenterology
    Experienced in Radiation Enteritis
    Gastroenterology

    Northwell Health Physician Partners Medicine Specialties At East 85th Street

    178 East 85th Street, 4th Floor, 
    New York, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Arun Swaminath, MD, is an accomplished gastroenterologist and the director of the Inflammatory Bowel Diseases Program at Lenox Hill Hospital within Northwell Health. With a primary focus on treating patients with Crohn's disease and colitis, He holds a Professor of Medicine appointment in the School of Medicine at Hofstra Northwell School of Medicine.He oversees a multi-disciplinary IBD Center that provides patients with access to world-class surgeons, dieticians, and IBD pharmacists. This center attracts trainees from across the tristate area who come to learn from the exceptional team. His dedication to advancing the field of gastroenterology is evident in his numerous original clinical, translational, and review articles that he has authored.In recognition of his expertise, Dr. Swaminath is frequently sought after as a speaker in the area of inflammatory bowel diseases and has made appearances on television news and has been featured in numerous print and online media outlets. He has also made significant contributions at a national level, served as a chair of the NYC Crohn's and Colitis Foundation Chapter Medical Advisory Committee and as the co-director of the American College of Gastroenterology's IBD School. Dr. Swaminath's passion for IBD education is further exemplified by his creation of the Burton I Korelitz Advanced IBD Fellowship at Northwell Health, a pathway for expert IBD training for gastroenterologists,With his expertise, leadership, and commitment to improving patient care and education, Dr. Arun Swaminath continues to make significant contributions to the field of gastroenterology within Northwell Health. Dr. Swaminath is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Crohn's Disease, Ulcerative Colitis, Viral Gastroenteritis, Colonoscopy, and Endoscopy. Dr. Swaminath is board certified in American Board Of Internal Medicine/Gastroenterology.

    Experienced in Radiation Enteritis
    General Surgery | Surgical Oncology
    Experienced in Radiation Enteritis
    General Surgery | Surgical Oncology

    Northwell Health Physician Partners Surgery At Mason Avenue

    256 Mason Avenue, Building C, 3rd Floor, 
    Staten Island, NY 
    Languages Spoken:
    English, Bengali, Hindi, Spanish

    Dr. Indraneil Mukherjee grew up in a pristine town of Ranchi, India. After his schooling in St. Xaviers School and DAV JVM he started his medical training at the prestigious Grant Medical College and Sir J.J. Group of Hospitals in, Mumbai. To further his training in Surgery he joined The Albert Einstein College of Medicine . He did his surgical residency at Staten Island University Hospital (State University of New York). He was also the Chief Resident at Staten Island University Hospital. For his interest in Hepato-Pancretico-Biliary and Foregut Surgery he pursued a fellowship in Advance Gastrointestinal Surgery at Southeastern Center for Digestive Disorders and Pancreatic Cancer, Florida Hospital, Tampa.He is now a faculty surgeon as a Foregut and Hepatobiliary Surgeon at Staten Island University Hospital Northwell Health. He is the Program Director for the Advance GI Fellowship Program and is the associate Program Director for its Residency Program. He has published in various forums. He was also won awards at Medical Hackathon for Medical Device Development at MIT and Cleveland Clinics and is interested in medical innovation. He is Motivated, Dedicated and Passionate about evidence based surgical therapeutics. He has license to practice medicine in India and United States. He is certified by the American Board of Surgery. Dr. Mukherjee is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Hernia, Gallbladder Disease, Diverticular Disease, Gallbladder Removal, and Endoscopy. Dr. Mukherjee is board certified in American Board Of Surgery.

    Experienced in Radiation Enteritis
    Colorectal Surgery
    Experienced in Radiation Enteritis
    Colorectal Surgery

    Northwell Health Physician Partners Surgical Specialties At Woodbury

    321 Crossways Park Drive, Suite B, 
    Woodbury, NY 
    Languages Spoken:
    English, Portuguese, Spanish
    Offers Telehealth

    "David E. Rivadeneira, MD, MBA, FACS, FASCRS, is director of Northwell Health Cancer Institute at Huntington and physician-in-chief of clinical strategic initiatives for Northwell facilities across eastern Long Island. He's a board-certified, multilingual general surgeon and colorectal surgeon who provides leading-edge care for colon and rectal cancer, inflammatory bowel disease such as ulcerative colitis and Crohn's disease, as well as diverticulitis.""I've always wanted to help people,"" says Dr. Rivadeneira, who completed his residency in general surgery at Weill Medical College of Cornell University, training at both New York-Presbyterian/Weill Cornell Medical Center and Memorial Sloan Kettering Cancer Center.Dr. Rivadeneira, who joined Northwell in 2013, works alongside a multidisciplinary team including oncologists, geneticists and nutritionists to give patients complete and convenient care. Consultations can usually be made within 24 to 48 hours at various Long Island locations-and everyone receives the care they deserve. ""I treat people like I'd want a family member to be treated,"" says Dr. Rivadeneira. ""I speak to patients in a way that helps them really understand their care-it's clear, concise and always compassionate.""A professor of surgery at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Dr. Rivadeneira also instructs surgeons throughout the country and abroad. He is a fellow of the American College of Surgeons, the American Society of Colon and Rectal Surgeons and the Society of Surgical Oncology, among others. He also works closely with Northwell research partner Cold Spring Harbor Laboratory on tissue analysis for critical research studies for the very best patient care-now and in the future.""Seeing patients have better quality of life with no more pain, and seeing them enjoy major life milestones because of treatment-it just doesn't get any better than that,"" he says.". Dr. Rivadeneira is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 18 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Familial Colorectal Cancer, Colorectal Cancer, Bladder Reconstruction, and Hernia Surgery. Dr. Rivadeneira is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

    Experienced in Radiation Enteritis
    Colorectal Surgery
    Experienced in Radiation Enteritis
    Colorectal Surgery

    Northwell Health Physician Partners Colon And Rectal Surgery At Lexington Avenue

    1120 Lexington Avenue, 2nd Floor, 
    New York, NY 
    Languages Spoken:
    English
    Offers Telehealth

    "Joseph Martz, MD, is chief of colorectal surgery and vice chairman of surgery at Lenox Hill Hospital, and chief of colorectal surgery for Northwell facilities in New York City boroughs and Westchester County. He has been practicing for more than 20 years and performs some of the highest volume of colorectal minimally invasive surgery, including sophisticated robotic procedures, in the tri-state area.A born and bred New Yorker, Dr. Martz spent his early days volunteering in an operating room, which helped him realize how much he wanted to become a surgeon. ""It was exciting for me to see the remarkable change you can make in a patient's life with your hands,"" he says. He completed his residency at Mount Sinai Beth Israel and has worked in major hospital systems all across Manhattan. He's especially proud to be part of Northwell Health, which he joined in 2018.""Northwell is a special place where everyone makes a difference,"" says Dr. Martz. ""It takes a team to provide the level of care that we want for our patients. We're really dedicated to making this a place where people feel at home."" This world-class team at Lenox Hill also includes nurse practitioners, physician assistants, social workers, specialists and nurse managers to help with every aspect of care.The exceptional skill and experience Dr. Martz offers is for the full range of colorectal conditions-including diverticulitis, colon cancer and complex pelvic issues. In fact, the complexity of the cases he treats is what drives his passion for medicine. ""After years of training, I'm happy to be able to provide the skill to treat these difficult problems,"" he says. ""Seeing the patients' outcomes-seeing them do well-becomes more meaningful for me every time.""The positive patient outcomes achieved through minimally invasive surgery, which include less pain and shorter hospital stays, keep Dr. Martz focused on the future of colorectal care. He's dedicated to educating new physicians on minimally invasive and robotic procedures, getting involved in promising medical device studies, and looking to technology to continually improve treatments.""Getting patients healthy is what's truly important to me,"" says Dr. Martz. ""I treat every patient as if they are part of my family. I am completely committed to their care.""". Dr. Martz is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Ileostomy, and Hernia Surgery. Dr. Martz is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

    Experienced in Radiation Enteritis
    Pediatrics
    Experienced in Radiation Enteritis
    Pediatrics

    Northwell Health Adolescent & Pediatric Medicine

    410 Lakeville Road, Suite 108, 
    New Hyde Park, NY 
    Languages Spoken:
    English, Mandarin, Spanish

    Dr. Jan is the Division Director of General Pediatrics where she oversees clinical, teaching, and research operations for the Division of General Pediatrics for Cohen Children's Medical Center. She is also the Medical Director of the Health Homes Serving Children Program for Northwell Health, a care management program for pediatric Medicaid beneficiaries with complex medical or behavioral health needs. Dr. Jan has over a decade of clinical, programmatic and research experience in general pediatrics and general internal medicine. She specializes in the care of children and adults with complex medical needs and intellectual/developmental disabilities. She is the principal investigator of several federally and foundation funded research projects focusing on the delivery of healthcare and long-term care services for children and adults with chronic conditions originating in childhood. Dr. Jan earned her bachelor's degree from the City University of New York at Brooklyn College and her medical degree from the State University of New York Downstate Medical Center. She completed a dual residency in both pediatrics and internal medicine from the University of Pittsburgh Medical Center where she was also Chief Resident. She continued her fellowship training as a Robert Wood Johnson Foundation Clinical Scholar at the Perelman School of Medicine at UPenn, earning a master's in health policy research. Dr. Jan is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses COVID-19, Sickle Cell Disease, Hemoglobinopathy, and Congenital Hemolytic Anemia. Dr. Jan is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.

    Experienced in Radiation Enteritis
    Colorectal Surgery
    Experienced in Radiation Enteritis
    Colorectal Surgery

    Northwell Health Physician Partners Surgical Specialties At Great Neck

    310 East Shore Road, Suite 203, 
    Great Neck, NY 
    Languages Spoken:
    English

    "Marc Lehrer Greenwald, MD, is the chief of colorectal clinical services and surgeon-in-chief at North Shore University Hospital. He is a double board-certified colorectal surgeon who specializes in minimally invasive and sphincter sparing techniques to treat a wide range of diseases and disorders of the small intestine, colon, rectum and anus. This includes diverticulitis, Crohn's disease, ulcerative colitis and colorectal cancer.""I'm really fortunate to work with an amazing team at North Shore,"" Dr. Greenwald says. ""They share my passion for helping others, and together, we are making a difference in the lives of so many people.""After receiving his medical degree from the Albert Einstein College of Medicine, Dr. Greenwald completed his residency at Montefiore Medical Center and fellowship in Hartford, Connecticut. He joined Northwell in 1991, and has held many leadership positions at North Shore University Hospital, including president of the medical staff and chair of the medical board.Dr. Greenwald established the Enhanced Recovery Program at North Shore University Hospital, implementing protocols that provide easy, safe and rapid recovery after surgery. ""The program helps patients recover faster, get home to their families sooner and have better results,"" he says. His team also leads the way in delivering the best outcomes and highest quality care, consistently scoring above the national average in quality surveys.As program director of the rectal cancer multidisciplinary team, Dr. Greenwald works closely with other Northwell experts-including medical oncologists, radiation oncologists and colorectal surgeons-to evaluate every patient with rectal cancer. ""It's my job to make sure best practices are used and patients receive individualized care with guided support from start to finish.""Dr. Greenwald is an assistant professor of surgery at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell and has won multiple teaching awards, including the Department of Surgery Award for Excellence in Operative Teaching. He is also a Castle Connelly Top Doctor.Decades of being a surgeon have given Dr. Greenwald a greater awareness about his patients. ""It's not just about treating their illness,"" he says. ""It's about understanding their illness as it relates to everything else in their lives. You need that global perspective to truly understand what the patient is going through.""". Dr. Greenwald is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Ogilvie Syndrome, Familial Colorectal Cancer, Diverticular Disease, Hernia Surgery, and Bladder Reconstruction. Dr. Greenwald is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

    Experienced in Radiation Enteritis
    Gastroenterology | Internal Medicine
    Experienced in Radiation Enteritis
    Gastroenterology | Internal Medicine

    Vanguard Gastroenterology And Primary Care At 31st Street

    36 East 31st Street, Suite 701, 
    New York, NY 
    Languages Spoken:
    English
    Offers Telehealth

    Alex Sherman is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Sherman is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Irritable Bowel Syndrome (IBS), Gastrostomy, and Colonoscopy. Dr. Sherman is board certified in American Board Of Internal Medicine.

    Experienced in Radiation Enteritis
    General Surgery | Colorectal Surgery
    Experienced in Radiation Enteritis
    General Surgery | Colorectal Surgery
    515 Madison Avenue, Room 705, 
    New York, NY 
    Languages Spoken:
    English, Spanish

    "Parswa Ansari, MD, is a double board-certified colon and rectal surgeon at Northwell's Lenox Hill Hospital, with over 15 years of experience. He treats various anorectal disorders, including hemorrhoids, fissures and fistulas, and has expertise in laparoscopic colorectal resections for cancer, inflammatory bowel disease and diverticulitis. He also has a focus on advanced endometriosis.""My father was a doctor; seeing how he conducted himself inspired me to pursue a career in medicine,"" says Dr. Ansari, who graduated from Columbia University College of Physicians and Surgeons. He then completed a residency in general surgery at New York-Presbyterian Hospital and a fellowship in colon and rectal surgery at Lahey Clinic Medical Center.Having joined Lenox Hill Hospital in 2007, Dr. Ansari was originally the only colorectal surgeon on staff and has since seen the team grow to include multiple colorectal surgeons. ""We all work closely together, which strengthens the level of care we provide,"" he says. He also collaborates with a multidisciplinary team to provide patients with comprehensive care. For instance, he partners with gynecologists and urologists to provide holistic care for a large volume of endometriosis patients. ""Endometriosis knows no boundaries,"" he explains. ""Advanced forms can invade anywhere, including the colon, rectum or other parts of the intestine, so having a team approach to treatment is extremely important.""Passionate about educating the next generation of doctors, Dr. Ansari has written chapters for textbooks and serves as program director for the general surgery residency at Lenox Hill Hospital, as well as assistant professor at Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.Dr. Ansari is a fellow of the American College of Surgeons and the American Society of Colon and Rectal Surgeons, and he has served on the Executive Council of the New York Society of Colon and Rectal Surgeons. His surgical expertise and commitment to the New York community has earned him recognition on several prestigious physician lists, including Castle Connolly Top Doctors and New York Magazine Top Doctors.Dr. Ansari's patients appreciate his calm demeanor and ability to explain complex details in a way that's easy to understand. ""I love connecting with patients and helping them get better,"" he says. ""Their gratification, and that of their loved ones, is what's most meaningful to me.""". Dr. Ansari is rated as an Experienced provider by MediFind in the treatment of Radiation Enteritis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Proctitis, Genital Warts, Retroperitoneal Inflammation, Colonoscopy, and Bladder Reconstruction. Dr. Ansari is board certified in American Board Of Surgery and American Board Of Colon & Rectal Surgery.

    Showing 1-20 of 163

    Last Updated: 04/28/2026

    What is the definition of Radiation Enteritis?

    Radiation enteritis is damage to the lining of the intestines (bowels) caused by radiation therapy, which is used for some types of cancer treatment.

    When should I see a Radiation Enteritis doctor in New York, US?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Radiation Enteritis doctor in New York, US?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Radiation Enteritis doctors in New York, US?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Radiation Enteritis doctors in New York, US?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Radiation Enteritis doctor in New York, US?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Radiation Enteritis doctor search results page. 

    Why is it important to get a second opinion from a different Radiation Enteritis doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Radiation Enteritis doctor in New York, US?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Radiation Enteritis doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Radiation Enteritis doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Radiation Enteritis doctors in New York, US?

    Look for the filter feature on the left side of the Radiation Enteritis doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Radiation Enteritis doctor that offers video calls?

    Look for the filter feature on the left-side of the Radiation Enteritis doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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