The 20 Best Familial Adenomatous Polyposis Doctors Near Me in New York, NY
Find the Top Familial Adenomatous Polyposis Experts and Specialists
CUIMC/Herbert Irving Pavilion
James Church is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Church is rated as an Elite provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 19 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Lynch Syndrome, Colorectal Cancer, Colonoscopy, and Ileostomy.
Vanguard Gastroenterology And Primary Care At Broadway
Inessa Khaykis is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Khaykis is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. She is also highly rated in 41 other conditions, according to our data. Her clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Indigestion, Gastric Dysmotility, Diarrhea, and Endoscopy. Dr. Khaykis is board certified in American Board Of Internal Medicine/Gastroenterology.
Vanguard Gastroenterology And Primary Care At 31st Street
Jonathan Cohen is a graduate of Harvard College and Harvard Medical School. He completed his residency at Beth Israel Hospital in Boston, and fellowships in gastroenterology at UCLA, and advanced endoscopy at The Wellesley Hospital in Toronto, Canada. Dr. Cohen was Clinical Professor of Medicine at NYU School of Medicine since 2006, joining the full-time faculty as a Professor of Medicine at Northwell/Hofstra in 2024. He has worked as gastroenterologist and performed general and advanced endoscopy at Northwell Vanguard Gastroenterology with expertise in ERCP, colonoscopy, endoscopic resection of large polyps, ablation of tumors and Barrett's esophagus, weight management and endoscopic bariatric therapy. For each of the past 24 years, he has been named to the Castle Connolly Best Doctors list.Dr. Cohen the current Treasurer of the American Society for Gastrointestinal Endoscopy [ASGE] and will be the organization's President in 2027-8. He served as past Chairman of the ASGE Training Committee and the Quality Assurance in Endoscopy Committee. He is also the current Director of the Program for Endoscopic Teachers of the World Endoscopy Organization. Dr. Cohen served as President of the New York Society for Gastrointestinal Endoscopy in 2004. Dr. Cohen has authored numerous articles and has made many presentations at scientific meetings both in the U.S and abroad. He has edited three textbooks in his field: Successful Training in Endoscopy Endoscopy Past Present and Future: NYSGE at 50and Comprehensive Atlas of High-Resolution Endoscopy and Narrowband Imaging, a volume which has been translated into 4 languages and sold worldwide. Dr. Cohen is recognized by his colleagues around the world as an expert on quality indicators in gastroenterology, as well as simulator training and advanced imaging technologies in the early diagnosis of GI cancers. A sought after national and international lecturer, Dr. Cohen has also directed over 50 training courses in his fields of expertise to groups of doctors in many countries and throughout North America. He currently serves as Director of Innovation and Sustainability in the Northwell GI service line. Dr. Cohen is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 40 other conditions, according to our data. His clinical expertise encompasses Non-Alcoholic Fatty Liver Disease, Gas Bloat Syndrome, Cronkhite-Canada Disease, and Juvenile Polyposis Syndrome. Dr. Cohen is board certified in American Board Of Internal Medicine/Gastroenterology.
Vanguard Gastroenterology And Primary Care At 31st Street
James Salik is a Gastroenterologist practicing medicine in New York, New York. Dr. Salik is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Irritable Bowel Syndrome (IBS), Gas Bloat Syndrome, Gastroesophageal Reflux Disease (GERD), and Bacterial Gastroenteritis. Dr. Salik is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Vanguard Gastroenterology And Primary Care At 31st Street
Alex Sherman is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Sherman is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. 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.
Vanguard Gastroenterology And Primary Care At Broadway
Nancy Chung is a Gastroenterologist practicing medicine in New York, New York. Dr. Chung is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Bacterial Gastroenteritis, Gastric Dysmotility, Small Bowel Bacterial Overgrowth, Gas Bloat Syndrome, and Gastrectomy. Dr. Chung is board certified in American Board Of Internal Medicine.
Vanguard Gastroenterology And Primary Care At Broadway
Nooshin Hosseini is a Gastroenterologist practicing medicine in New York, New York. Dr. Hosseini is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Irritable Bowel Syndrome (IBS), Bacterial Gastroenteritis, Gas Bloat Syndrome, and Helicobacter Pylori Infection. Dr. Hosseini is board certified in American Board Of Internal Medicine, American Board Of Internal Medicine/Gastroenterology, and Institution Not Present.
Franklin Kasmin is a Gastroenterologist practicing medicine in New York, New York. Dr. Kasmin is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Jaundice, Choledocholithiasis, Bile Duct Obstruction, Endoscopy, and Gastrostomy.
Northwell Health Concorde Gastroenterology And Rheumatology At East 30th Street
Luis Barraza is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Barraza is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Spontaneous Bacterial Peritonitis, Ascites, Portal Hypertension, and Gas Bloat Syndrome.
Northwell Health Concorde Gastroenterology And Rheumatology At East 30th Street
John Ackert is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Ackert is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Diverticular Disease, Tenesmus, and Gastritis. Dr. Ackert is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Vanguard Gastroenterology And Primary Care At 31st Street
Edward Brettholz is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Brettholz is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Gastroesophageal Reflux Disease (GERD), Eosinophilic Esophagitis, Tenesmus, and Esophagitis. Dr. Brettholz is board certified in American Board Of Internal Medicine and American Board Of Internal Medicine/Gastroenterology.
Rockefeller Outpatient Pavilion
Arnold Markowitz is a Gastroenterologist practicing medicine in New York, New York. Dr. Markowitz is rated as a Distinguished provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, DICER1 Syndrome, Turcot Syndrome, Colonoscopy, and Endoscopy. Dr. Markowitz is currently accepting new patients.
"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 Familial Adenomatous Polyposis. 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.
Paulo Pacheco is an Internal Medicine specialist and a Gastroenterologist practicing medicine in New York, New York. Dr. Pacheco is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Berdon Syndrome, Anal Fissure, Lactose Intolerance, and Bowel Incontinence.
Memorial Sloan Kettering Cancer Center
Mohammad Abbass is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Abbass is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses Lynch Syndrome, Colorectal Cancer, Familial Colorectal Cancer, Ileostomy, and Endoscopy.
Jay Katzman is a Gastroenterologist practicing medicine in New York, New York. Dr. Katzman is rated as an Advanced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Gastritis, Gastroesophageal Reflux Disease (GERD), Attenuated Familial Adenomatous Polyposis, and Cronkhite-Canada Disease.
Northwell Health Physician Partners Colon And Rectal Surgery At Lexington Avenue
"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 Familial Adenomatous Polyposis. 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.
Samuel Davidoff is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Forest Hills, New York. Dr. Davidoff is rated as a Distinguished provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 37 other conditions, according to our data. His clinical expertise encompasses Chronic Idiopathic Constipation (CIC), Gas Bloat Syndrome, Heartburn, and Chronic Erosive Gastritis.
Gastroenterology And Hepatology - Lower Manhattan
Adnan Khdair is an Internal Medicine provider practicing medicine in New York, New York. Dr. Khdair is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Diverticular Disease, Menetrier Disease, Colonoscopy, and Gastrectomy. Dr. Khdair is currently accepting new patients.
Mount Sinai Institute For Liver Medicine Chinatown
Alex Ky is a General Surgeon practicing medicine in New York, New York. Dr. Ky is rated as an Experienced provider by MediFind in the treatment of Familial Adenomatous Polyposis. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses Hemorrhoids, Anal Fissure, Proctitis, Bowel Incontinence, and Hernia Surgery.
Last Updated: 04/28/2026











