Same-day office and telemedicine visits are always available by calling 212-996-6633.
News from NYGA
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What Our Patients Are Saying
Review from Ani M.
Source: Google | Mar 17, 2022
Couldn’t be happier to have such a caring and amazing doctor as Dr. Anthony Weiss. Have been a patient for over 10 years and I travel from NJ to see him, totally worth it.
Review from Llana W.
Source: Google | Mar 17, 2022
I know that under Dr. Weiss' care I will be treated medically in the best way … I trust his judgment and skill to the utmost. His aides and nurses were extremely thorough and very competent in their questioning and...
Review from Susan K.
Source: Google | Mar 17, 2022
Dr Weiss saw me the day I called. He had been doing procedures all day but made time for me and resolved my problem.
New York Gastroenterology Associates Patient Portal
You can use our private patient portal to request appointments, pre-register for your visit, review your medical history, send messages to your doctor, and review blood test and biopsy results. First time using our portal? Please contact us to obtain a PIN.
Conditions Treated
Abdominal Pain
Abdominal pain can occur for a variety of reasons and can also be a sign of a number of digestive conditions or gastrointesti...
Abnormal Liver Tests
If your blood tests show abnormal liver tests, this can be due to various reasons, including underlying liver disease, medica...
Acid Reflux
Acid reflux refers to the backward flow of stomach acid and, sometimes, food particles from the stomach up into the esophagus...
Alcohol-Induced Liver Disease
Alcohol-induced liver disease is caused by significant use of alcohol - the amount required to cause damage to the liver can ...
Autoimmune Hepatitis
Autoimmune hepatitis is a condition in which the body's immune cells start to attack the liver. This is a chronic liver disea...
Barrett’s Esophagus
Barrett’s esophagus is a condition in which the tissue lining your esophagus changes to more closely resemble intestinal ti...
Our Patient Offices
Upper West Side
620 Columbus Ave
New York, NY 10024
Phone: 212-721-2600
Fax: 212-721-6230
Text: 646-419-4947
Brooklyn Heights
1 Pierrepont Plaza, 300 Cadman Plaza West
18th Floor
Brooklyn, NY 11201
Phone: (718) 280-0020
Fax: (718) 280-0025
Text: (646) 419-4947
Upper East Side
68 E 86th Street
New York, NY 10028
Phone: (212) 535-1845
Fax: (212) 861-6285
Text: (646) 419-4947
Upper East Side
1150 Fifth Avenue
Suite 1B
New York, NY 10128
Phone: (212) 369-2490
Fax: (212) 831-3031
Text: (646) 419-4947
Upper East Side
311 E 79th Street
Suite 2A
New York, NY 10075
Phone: (212) 996-6633
Fax: (212) 996-6677
Text: (646) 419-4947
Midtown
16 E 52nd Street
Suite 403
New York, NY 10022
Phone: (212) 826-3903
Fax: (212) 339-9984
Text: (646) 419-4947
Fifth Ave GI
We are excited to announce that Fifth Avenue GI has merged with New York Gastroenterology Associates (NYGA). The medical professionals at Fifth Avenue GI have set an exemplary standard of care in the diagnosis and treatment of digestive issues and will continue to serve their Upper East Side and East Harlem communities under the umbrella of one of New York's premier practices.
Learn More
Stay informed about New York Gastroenterology Associates
Our Team
Ana Tuyama, MD
Gastroenterologist
Training and spending so many years at Mount Sinai School of Medicine, where gastroenterology is practiced at its best, surro...
Asher Kornbluth, MD
Gastroenterologist
I chose gastroenterology for the ability to interact and care for patients with chronic diseases for a lifetime....
Barry Jaffin, MD
Gastroenterologist
While taking my first course in gastroenterology during my second year of medical school at Mount Sinai, I was intrigued that...
Daniel Adler, MD
Gastroenterologist
All patient populations have GI problems and disease. I liked being able to care for a wide variety of people. Adolescents, a...
Eric Goldstein, MD
Gastroenterologist
Dr. Eric Goldstein is a clinical instructor at the Mount Sinai School of Medicine and attending physician at Mount Sinai Medi...
Faith Aronowitz, MS, RD, CDN
Dietitian
Early on in my nutrition training, I became fascinated by the gut microbiome and its seemingly endless connections to all fac...
James Aisenberg, MD
Gastroenterologist
I am a Clinical Professor of Medicine at the Icahn School of Medicine at Mount Sinai, a Medical Director at the Endoscopy Cen...
James George, MD
Gastroenterologist
I love that gastroenterology is a field that incorporates both incredibly interesting medical problems as well as challenging...
Janie Yang, MD
Gastroenterologist
I find the human gastrointestinal tract to be fascinating because it involves multiple organ systems and can have such a majo...
Jay Desai, MD
Gastroenterologist
Gastroenterology is a fascinating field that requires a detailed understanding of the physiology of multiple organ systems as...
Jennifer Leong, MD
Gastroenterologist, Hepatologist
I was first drawn to gastroenterology as an ideal blend of comprehensive patient care and procedures, but it was during my...
Kenneth Miller, MD
Gastroenterologist
Patients prize Dr. Kenneth Miller’s dedication, commitment, and expertise in consultative gastroenterology. A tireless pati...
Laura Frado, MD, MS
Gastroenterologist
Gastroenterology is a special field that allows me to care for a broad scope of conditions often presenting in different stag...
Leon Kavaler, MD
Gastroenterologist
One of my most memorable honors was being selected as the Chief Medical Resident at Mount Sinai Hospital. I spent a year teac...
Michele Kissous-Hunt, PA-C
Physician Assistant
Michele Kissous-Hunt is a board-certified physician assistant and has cared for patients with a wide range of gastrointestina...
Neville Bamji, MD
Gastroenterologist
The complex physiology of the gastrointestinal tract has always fascinated me. Practicing gastroenterology allows physicians ...
Peter Legnani, MD
Gastroenterologist
I found gastroenterology to be a dynamic intersection of multiple fields of study and practice. For example, I found that car...
Sameer Berry, MD, MBA
Gastroenterologist
A gastroenterologist must spend a significant amount of time with each patient to understand the impact of their lifestyle, s...
Steven Naymagon, MD
Gastroenterologist
I went to medical school knowing that I want to make a difference in people’s lives. As a medical student I was torn betwee...
Suzie Finkel, MS, RD, CDN
Dietitian
I became a dietitian with the specific goal of helping people alleviate their digestive symptoms, and have found gastroentero...
Tamara Duker Freuman, MS, RD, CDN
Dietitian
The intricate relationship between how food and nutrients interact with the digestive tract captured my attention early on du...
Toby Heller, PA-C
Physician Assistant
I have always been fascinated with gastroenterology, before I even knew I wanted to work in healthcare. I have a very persona...
Tony Weiss, MD
Gastroenterologist
When I was in training as a physician, I became fascinated with the digestive system and the profound effect gastrointestinal...
Yevgenia Pashinsky, MD
Gastroenterologist
I grew up thinking of food as a cultural and spiritual force that brings people together. It is incredibly rewarding to help ...
U.S. News GI Affiliated Hospital Ranking
U.S. News and World Report named Icahn School of Medicine at Mount Sinai #3 as a Best Universities for Gastroenterology and Hepatology Specialized Services in 2021! The NYGA physicians are proud to be members and contributors for over 30 years to The Mount Sinai Henry D. Janowitz Division of Gastroenterology.
Our Services
24-Hour pH/Impedance Test
Patients with chronic heartburn or other suspicions for gastroesophageal reflux disease (GERD) may be asked to undergo a 24-h...
Anorectal Manometry
Our doctors use a test called anorectal manometry to measure the strength and coordination of the muscles that control the re...
Breath Test
Certain kinds of digestive issues can allow unabsorbed food to reach the colon. When this happens, some of the bacteria in th...
Colon Cancer Screening
Colon cancer screening involves reviewing your medical history to determine if you have a personal or family history of color...
Colonoscopy
A colonoscopy is a minimally-invasive procedure that uses an instrument called a colonoscope to look inside your large intest...
Double Balloon Enteroscopy
Double balloon enteroscopy (abbreviated DBE) is a minimally invasive medical procedure that allows doctors to evaluate the sm...