Gastroenterology
Gastroenterology Services
New York Gastroenterology Associates (NYGA) is a premier independent gastroenterology practice in New York City. Recognized for providing the highest quality gastroenterological care, all our gastroenterologists are board-certified and affiliated with Mount Sinai Hospital or NYU Langone Health.Our gastroenterology division has numerous convenient locations near major metro and transit options within Manhattan and Brooklyn. Our GI doctors work in partnership with our nutritional division providing the best possible joint care to our patients locally and virtually.


Ana Tuyama, MD
Gastroenterologist
Training and spending so many years at Mount Sinai School of Medicine, where gastroenterology is practiced at its best, surro...
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Asher Kornbluth, MD
Gastroenterologist
I chose gastroenterology for the ability to interact and care for patients with chronic diseases for a lifetime....
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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...
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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...
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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...
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David Hertz
Chief Operating Officer
David Hertz is the Chief Operating Officer of New York Gastroenterology Associates (NYGA). He is responsible for the practice...
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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...
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James George, MD
Gastroenterologist
I love that gastroenterology is a field that incorporates both incredibly interesting medical problems as well as challenging...
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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...
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Jay Desai, MD
Gastroenterologist
Gastroenterology is a fascinating field that requires a detailed understanding of the physiology of multiple organ systems as...
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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...
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Kenneth Miller, MD
Gastroenterologist
Patients prize Dr. Kenneth Miller’s dedication, commitment, and expertise in consultative gastroenterology. A tireless pati...
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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...
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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...
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Mary Ryan
Director of Billing
Mary Ryan is the Director of Billing for New York Gastroenterology Associates. Mary is a medical billing and revenue cycle ma...
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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...
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Neville Bamji, MD
Gastroenterologist
The complex physiology of the gastrointestinal tract has always fascinated me. Practicing gastroenterology allows physicians ...
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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...
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Salitah Qureshi
Clinical Research Coordinator
Salitah Qureshi is the Clinical Research Coordinator at New York Gastroenterology Associates. She is responsible for managing...
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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...
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Tony Weiss, MD
Gastroenterologist
When I was in training as a physician, I became fascinated with the digestive system and the profound effect gastrointestinal...
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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 ...
Learn More24-Hour pH/Impedance Test
Patients with chronic heartburn or other suspicions for gastroesophageal reflux disease (GERD) may be asked to undergo a 24-h...
Learn MoreAnorectal Manometry
Our doctors use a test called anorectal manometry to measure the strength and coordination of the muscles that control the re...
Learn MoreBreath Test
Certain kinds of digestive issues can allow unabsorbed food to reach the colon. When this happens, some of the bacteria in th...
Learn MoreColon Cancer Screening
Colon cancer screening involves reviewing your medical history to determine if you have a personal or family history of color...
Learn MoreColonoscopy
A colonoscopy is a minimally-invasive procedure that uses an instrument called a colonoscope to look inside your large intest...
Learn MoreDouble Balloon Enteroscopy
Double balloon enteroscopy (abbreviated DBE) is a minimally invasive medical procedure that allows doctors to evaluate the sm...
Learn MoreEsophageal Dilation
Esophageal dilatation is a therapeutic endoscopic procedure that enlarges the lumen of the esophagus....
Learn MoreEsophageal Manometry
Some people experience difficulty swallowing or chronic acid reflux symptoms. In these cases, it can be helpful to check how ...
Learn MoreFlexible Sigmoidoscopy
Flexible sigmoidoscopy is a procedure used to see inside the sigmoid colon and rectum. Flexible sigmoidoscopy can detect infl...
Learn MoreGastroenterology Consultation
Your gastroenterology consultation appointment provides you and your doctor the opportunity to discuss your condition in-dept...
Learn MoreHepatic Elastography
Hepatic elastography, also called Fibroscan, is an in-office, ultrasound imaging test that checks your liver for signs of fib...
Learn MoreIn-Office Infusions
Infusion therapy is primarily used to treat diseases and conditions that may not respond to other treatments. This includes C...
Learn MoreMedical Marijuana
Medical marijuana is the therapeutic use of chemical derivatives from the cannabis plant, specifically THC (tetrahydrocannabi...
Learn MorePolypectomy
A polypectomy is the surgical removal of a polyp. The procedure may be performed through an open abdominal surgery or via end...
Learn MoreUpper Endoscopy
Endoscopy is a minimally invasive medical procedure that evaluates the upper portion of your gastrointestinal (GI) tract, inc...
Learn MoreVideo Capsule Endoscopy
Video capsule endoscopy, also known simply as capsule endoscopy, is a diagnostic imaging test where you swallow a capsule equ...
Learn MoreSmartPill
The SmartPill™ is an ingestible, single-use capsule that has the ability to record a variety of useful diagnostic informati...
Learn MoreAbdominal Pain
Abdominal pain can occur for a variety of reasons and can also be a sign of a number of digestive conditions or gastrointesti...
Learn MoreAcid Reflux
Acid reflux refers to the backward flow of stomach acid and, sometimes, food particles from the stomach up into the esophagus...
Learn MoreBarrett’s Esophagus
Barrett’s esophagus is a condition in which the tissue lining your esophagus changes to more closely resemble intestinal ti...
Learn MoreBlood in Stool
Blood in the stool usually causes the stool to appear sticky or black, often assuming a tar-like appearance. Other times, you...
Learn MoreCeliac Disease and Gluten Sensitivity
Celiac disease occurs when your body’s immune system reacts abnormally to gluten, a protein found in wheat, barley, and rye...
Learn MoreColon Cancer
Colon cancer is one of the most deadly diseases in the United States for the simple fact that it can go undetected for severa...
Learn MoreConstipation
Constipation refers to having extremely infrequent bowel movements or having difficulty in passing stools. Generally speaking...
Learn MoreColon Polyps
Colon polyps are small growths that are the result of an overgrowth of cells. They are usually small, rarely a cause for conc...
Learn MoreCrohn's Disease and Ulcerative Colitis
Crohn’s disease and ulcerative colitis are the two most common forms of inflammatory bowel disease (IBD), a disease that ca...
Learn MoreDiarrhea
Diarrhea refers to loose, watery stools and a feeling that you urgently need to use the restroom. This can last for a few day...
Learn MoreDifficulty Swallowing
If you have dysphagia, or difficulty swallowing, you know it takes extra effort to get down food or liquids. This difficulty ...
Learn MoreDiverticular Disease
Diverticula don’t necessarily cause symptoms or complications, and many people don’t realize they have the condition. Div...
Learn MoreEosinophilic Esophagitis (EoE)
Eosinophilic Esophagitis (EoE) is an inflammatory, allergic condition that affects the esophagus (food pipe) in which excess ...
Learn MoreFructose Intolerance
Fructose intolerance results from the inability to digest fructose, a sugar molecule found naturally in honey, agave nectar, ...
Learn MoreFunctional Dyspepsia
Functional dyspepsia is a disorder of the gut brain interaction (DGBI) in which you may experience early satiety (feeling ful...
Learn MoreGas & Bloat
The production of gas is a normal side effect of digestion, and burping or passing gas isn’t usually cause for concern. How...
Learn MoreGastroparesis
Gastroparesis is a condition that prevents your stomach from emptying itself of food properly. Normally, your stomach muscles...
Learn MoreGluten Intolerance
Some people show many of the symptoms of celiac disease when they eat gluten, but don’t test positive for the antibodies th...
Learn MoreHeartburn and GERD
Acid reflux refers to the backward flow of stomach acid and, sometimes, food particles from the stomach up into the esophagus...
Learn MoreHemorrhoids
Hemorrhoids, sometimes called piles, are swollen veins that occur in the rectum or skin around the anus. Hemorrhoids are very...
Learn MoreHiatal Hernia
A hiatal hernia is a specific type of hernia that occurs when the upper portion of your stomach bulges through the muscles se...
Learn MoreInflammatory Bowel Disease
Inflammatory bowel disease, or IBD, is a chronic disease that affects the tissues of the digestive tract, most commonly the c...
Learn MoreIrritable Bowel Syndrome
Irritable bowel syndrome is an intestinal disorder. When you suffer from IBS, problems with your large intestine cause abdomi...
Learn MoreLactose Intolerance
Lactose intolerance is the inability to break down the lactose found in dairy products. Lactose is one of many different suga...
Learn MoreSmall Intestinal Bacterial Overgrowth (SIBO)
SIBO means you have an excess of gut bacteria in your small intestine. This bacteria is supposed to be present in other parts...
Learn MoreStomach & Intestine Ulcers
Peptic ulcers happen when the inner lining in your esophagus, stomach, or duodenum (the upper part of your small intestine) b...
Learn MoreSucrose Intolerance
Sucrose intolerance results from the inability to digest sucrose, or ‘table sugar.’ Beyond its presence in cane sugar, su...
Learn MoreViral Hepatitis
Hepatitis is a viral infection of the liver. Depending on the type of virus and individual, hepatitis can be acute or chronic...
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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
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New York, NY 10128
Phone: (212) 369-2490
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Text: (646) 419-4947

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Phone: (212) 996-6633
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Text: (646) 419-4947

Upper West Side
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Phone: 212-721-2600
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Upper East Side
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New York, NY 10028
Phone: (212) 535-1845
Fax: (212) 861-6285
Text: (646) 419-4947

Telehealth
Virtual Consultation
Phone: (212) 996-6633
Fax: (212) 996-6677
Text: (646) 419-4947