The 20 Best Gardner Syndrome Doctors Near Me in Astoria, NY
Find the Top Gardner Syndrome Experts and Specialists
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 Gardner Syndrome. 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 Gardner Syndrome. 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 Gardner Syndrome. 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.
Sabino Augello is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Astoria, New York. Dr. Augello is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 32 other conditions, according to our data. His clinical expertise encompasses Diverticular Disease, Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastrostomy, and Endoscopy.
Northwell Health Physician Partners Colon And Rectal Surgery At Third Avenue
Dr. Whelan is a board certified colon and rectal surgeon who trained at Columbia Presbyterian Hospital and the University of Minnesota after graduating from Columbia University s College of Physicians & Surgeons. He was the Chief of Colon and Rectal Surgery at Columbia for 17 years. He held the same position for 5 years at St. Luke s Roosevelt Hospital and 5 more years at Mount Sinai West (formerly Roosevelt Hospital). He is currently the System Chief of Colon and Rectal Surgery for the Northwell Health care system as well as the Chief of Colon and Rectal Surgery at the Northwell Cancer Institute. His clinical practice is currently situated at Lenox Hill Hospital in NYC. His clinical interests include laparoscopic surgery, colorectal cancer, peritoneal malignancies, endoscopic treatment of large sessile colon polyps as well as diverticulitis and anorectal diseases (including hemorrhoids, fissures, fistulas). He has performed over 3000 laparoscopic colorectal resections. He was an early supporter of minimally invasive colorectal surgery and his lab did much early research regarding the immunologic and physiologic impact of both big incision and laparoscopic surgical methods. Dr. Whelan has maintained a basic science lab and clinical research unit for 23 years and is an author on over 150 peer reviewed publications. Current research areas include advanced endoscopic polyp removal (endoscopic submucosal dissection and endoscopic mucosal resection methods), perioperative treatment of colorectal cancer during the week prior and month immediately following surgery, PIPAC (aerosol chemotherapy for patients with peritoneal cancer metastasis). Dr. Whelan is the Principal Investigator for an FDA approved PIPAC study at Northwell. Dr. Whelan is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Colorectal Cancer, Familial Colorectal Cancer, Lynch Syndrome, Endoscopy, and Colonoscopy. Dr. Whelan is board certified in American Board Of Colon & Rectal Surgery.
Northwell Health Physician Partners Medicine Specialties At East 85th Street
Evin Mccabe is a Gastroenterologist practicing medicine in New York, New York. Dr. Mccabe is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Gallstones, Choledocholithiasis, Gallbladder Disease, Gastrectomy, and Endoscopy. Dr. Mccabe is board certified in American Board Of Internal Medicine/Gastroenterology.
Northwell Health Physician Partners Medicine Specialties At East 85th Street
Dr. Robbins has been inducted as a fellow in the three major professional societies, the American Society for Gastrointestinal Endoscopy, the American Gastroenterological Association, and the American College of Gastroenterology. He has been repeatedly recognized as a Top Doctor by Castle Connolly and a Best Doctor by New York Magazine. He lectures nationally and internationally on ways to improve the quality of healthcare and directs academic courses across the country for physicians and nurses. Dr. Robbins has published numerous peer-reviewed articles, editorials and book chapters. He frequently contributes his expertise to print and television media and has been featured as a medical expert for the major television networks and news outlets. See. Dr. Robbins in action In The Press. Dr. Robbins is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. His clinical expertise encompasses Hiatal Hernia, Congenital Diaphragmatic Hernia, Gastroesophageal Reflux Disease (GERD), Endoscopy, and Gastrectomy. Dr. Robbins is board certified in American Board Of Internal Medicine/Gastroenterology.
Joseph Nash is a Gastroenterologist practicing medicine in New York, New York. Dr. Nash is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Hemorrhoids, Chronic Erosive Gastritis, Gardner Syndrome, and Familial Adenomatous Polyposis.
"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 Gardner Syndrome. 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.
"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 Gardner Syndrome. 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.
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 Gardner Syndrome. 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.
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 Gardner Syndrome. 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.
Medical Offices Of Manhattan
Robert Meltzer is a Gastroenterologist practicing medicine in New York, New York. Dr. Meltzer is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Menetrier Disease, Indigestion, Helicobacter Pylori Infection, and Hemorrhoids.
Vijaypal Arya is a Gastroenterologist practicing medicine in Middle Village, New York. Dr. Arya is rated as an Advanced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 16 other conditions, according to our data. His clinical expertise encompasses Campylobacter Infection, Helicobacter Pylori Infection, Chronic Erosive Gastritis, Colonoscopy, and Endoscopy. Dr. Arya is board certified in American Board Of Internal Medicine/Gastroenterology.
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 Gardner Syndrome. 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.
Daniel Jamorabo is an Internal Medicine specialist and a Gastroenterologist practicing medicine in Forest Hills, New York. Dr. Jamorabo is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Visceromegaly, Macroamylasemia, Hepatitis, Endoscopy, and Colonoscopy. Dr. Jamorabo is board certified in American Board Of Internal Medicine.
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 Gardner Syndrome. 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.
Jill Roberts Center For Ibd
Toyooki Sonoda is a Colorectal Surgeon practicing medicine in New York, New York. Dr. Sonoda is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Anal Cancer, Retroperitoneal Inflammation, Familial Colorectal Cancer, Ileostomy, and Hernia Surgery.
Northwell Health Center For Liver Disease And Transplantation
Hatef Massoumi is a Hepatologist and a Transplant Surgeon practicing medicine in New York, New York. Dr. Massoumi is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 12 other conditions, according to our data. His clinical expertise encompasses Hepatitis, Visceromegaly, Enlarged Liver, Thrombectomy, and Liver Transplant. Dr. Massoumi is board certified in American Board Of Internal Medicine/Gastroenterology and American Board Of Internal Medicine/Transplant Hepatology.
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Markos Koutsos is a Gastroenterologist practicing medicine in New York,, New York. Dr. Koutsos is rated as an Experienced provider by MediFind in the treatment of Gardner Syndrome. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Viral Gastroenteritis, Colitis, Gastritis, and Chronic Erosive Gastritis.
Last Updated: 04/28/2026











