Our Doctors

Dr. Viyada Sarabanchong received her Bachelor of Science degree from Brown University, and her Doctor of Medicine degree from Columbia University College of Physicians and Surgeons. After completing her Residency in Internal Medicine at Columbia-Presbyterian Medical Center in NYC, she continued her training at Columbia, completing a Fellowship in Gastroenterology. Dr. Sarabanchong practices general Gastroenterology and Hepatology, and performs Endoscopic procedures both in the office and at Good Samaritan and Nyack Hospitals. Dr. Sarabanchong continues to be an advocate for Women Preventative Health Services in the county.

Dr. Elliot A. Heller received his BA from the University of Pennsylvania and his Medical Degree from Mount Sinai School of Medicine. He completed his Medical Internship, Medical Residency and Fellowship in Gastroenterology at Mount Sinai Hospital, NYC.

In addition to treating patients with all aspects of gastrointestinal and liver problems, Dr. Heller has a special interest in Inflammatory Bowel Disease and recently served as Chairman of the Chapter Medical Advisory Committee of the Crohn's and Colitis Foundation of Fairfield and Westchester, which includes our Rockland satellite that he co-founded. Dr. Heller feels privileged to continue to serve the Rockland County community for their GI care.

Dr. Vipul H. Shah received his Bachelor's Degree from Rutgers College and his Medical Degree from University of Medicine and Dentistry of New Jersey (formerly Rutgers Medical College). He completed his Internship and Residency at Columbia-Presbyterian Medical Center, where he remained to do a Fellowship in Gastroenterology. Dr. Shah received advanced training in Endoscopic Ultrasonography, ERCP and therapeutic endoscopy while at Columbia. He currently performs these procedures at Good Samaritan and Nyack Hospitals. Dr Shah enjoys all aspects of gastroenterology and hepatology but in particular has interests in pancreatic/biliary disorders and therapeutic endoscopy. He has built up a referral practice for such complex cases, with patients coming from the Hudson valley and beyond. However, no matter how complex or simple a patient’s situation, he believes that an open and respectful relationship is key for their prompt return to good health.

Dr. Richard M. Moccia received his BS from Manhattan College and his Medical Degree from Dartmouth Medical School, Hanover, NH. He completed his Medical Internship and Medical Residency at Saint Vincent’s Hospital and Medical Center, NYC, where he was Chief Medical Resident in 1981. He completed his Fellowship in Gastroenterology at the University of Rochester, Strong Memorial Hospital. Dr. Moccia has championed the initiative of ensuring that the uninsured and working poor in the county have access to a screening colonoscopy.   Dr Moccia believes that the patient–doctor relationship must be built on mutual trust and include clear information for his patients, mutually agreed-upon goals, active participation by the patient and his/her family, supplemented with heavy doses of empathy, warmth and encouragement.

Ms. Jennifer Poterbin is a Board Certified Nurse Practitioner.  Jennifer joined our practice on September 4, 2019 and bring with her a wealth of professional experience and expertise.  Over the past five (5) years, she has worked as a nurse practitioner at White Plains Hospital.  Most recently with the inpatient surgical oncology service; where she worked with an interdisciplinary team of caregivers to provide care to patients' undergoing a variety of general, colorectal, bariatric, breast and vascular surgical cases.  Prior to working with the inpatient surgical oncology team, Jennifer worked as a nurse practitioner with the outpatient surgical program. She bring with her extensive experience managing patients with a variety of gastrointestinal conditions including small bowel obstructions, acute diverticulitis, cholecystitis, appendicitis, inflammatory bowel disorders, pancreatitis, colon cancer, gastrointestinal cancers and bleeds. 

Before completing her Masters of Science Degree as a Family Nurse Practitioner at Dominican College, she worked as a register nurse in a variety of positions:  Staff Nurse, Nurse Case Manager, Nurse Case Coordinator and Nursing Supervisor. Jennifer works hand-in-hand with our physicians to manage patients' care and treatment.  Jennifer and her husband are raising their family in Rockland County; where they have resided for over twenty years.