GastroNYC is a premier independent gastroenterology practice in New York City. We have locations in Brooklyn and Staten Island and offer a full range of gastrointestinal, endoscopic, hepatological, and clinical nutrition services. We maintain the highest standards of care and have been recognized for excellence since opening our doors in 2005.
We believe that health is your most valuable asset and that you deserve to be treated by the best. Our mission is to provide the highest quality gastroenterological care in a supportive, family centered environment. We place an emphasis on our relationships with our patients and are committed to continuously educating ourselves and employing the latest technologies to provide excellent care.
Our team is dedicated to providing compassionate, expert care for your digestive health! Discover the professionals behind our patient-centered approach.
Dr. Oleg Katcher is a board-certified gastroenterologist in Brooklyn, NY, with over 20 years of experience treating a wide range of gastrointestinal conditions. A Brooklyn resident, he values strong patient relationships and community care.
Dr. Katcher graduated at the top of his class from Mount Sinai, completed his internal medicine residency at Weill Cornell Medical Center, and his gastroenterology fellowship at Memorial Sloan Kettering Cancer Center. He has received multiple academic awards and has expertise in cancer screening, hemorrhoids, IBS, GERD, gastroparesis, constipation, incontinence, and liver disease. Fluent in Russian and Spanish, he is affiliated with Maimonides Hospital.
Jane Rupp, PA-C, is a board-certified physician assistant specializing in gastroenterology and primary care. She earned her Master of Science in Physician Assistant Studies from SUNY Downstate and is certified by the NCCPA. With expertise in diagnosing and managing a wide range of gastrointestinal conditions, Jane takes a patient-centered approach to care, ensuring personalized treatment plans.
Jane stays up to date with the latest advancements in gastroenterology and is an active member of the AAPA. Known for her compassionate care, Jane works closely with Dr. Katcher to provide comprehensive digestive health services.
We are experts in the treatment and diagnosis of disorders pertaining to the gastrointestinal system and nutrition. Our gastroenterologists in Brooklyn and Staten Island have extensive experience in treating irritable bowel syndrome, GERD, abdominal pains, Crohn’s disease, ulcerative colitis, liver disease, hemorrhoids, anal fissures and hepatitis among others.
We employ the use of the latest technology to ensure an effective and comfortable patient experience. In addition to colonoscopy and endoscopy in Brooklyn and Staten Island locations, we offer capsule endoscopy, smart pill, pH acidity testing, hydrogen breath testing, ultrasound, fibroscan, genetic testing, and anorectal manometry.
