Gastroenterology

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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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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...

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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 ...

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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...

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Anorectal Manometry

Our doctors use a test called anorectal manometry to measure the strength and coordination of the muscles that control the re...

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Breath Test

Certain kinds of digestive issues can allow unabsorbed food to reach the colon. When this happens, some of the bacteria in th...

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Colon Cancer Screening

Colon cancer screening involves reviewing your medical history to determine if you have a personal or family history of color...

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Colonoscopy

A colonoscopy is a minimally-invasive procedure that uses an instrument called a colonoscope to look inside your large intest...

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Double Balloon Enteroscopy

Double balloon enteroscopy (abbreviated DBE) is a minimally invasive medical procedure that allows doctors to evaluate the sm...

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Esophageal Dilation

Esophageal dilatation is a therapeutic endoscopic procedure that enlarges the lumen of the esophagus....

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Esophageal Manometry

Some people experience difficulty swallowing or chronic acid reflux symptoms. In these cases, it can be helpful to check how ...

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Flexible Sigmoidoscopy

Flexible sigmoidoscopy is a procedure used to see inside the sigmoid colon and rectum. Flexible sigmoidoscopy can detect infl...

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Gastroenterology Consultation

Your gastroenterology consultation appointment provides you and your doctor the opportunity to discuss your condition in-dept...

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Hepatic Elastography

Hepatic elastography, also called Fibroscan, is an in-office, ultrasound imaging test that checks your liver for signs of fib...

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In-Office Infusions

Infusion therapy is primarily used to treat diseases and conditions that may not respond to other treatments. This includes C...

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Medical Marijuana

Medical marijuana is the therapeutic use of chemical derivatives from the cannabis plant, specifically THC (tetrahydrocannabi...

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Polypectomy

A polypectomy is the surgical removal of a polyp. The procedure may be performed through an open abdominal surgery or via end...

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Upper Endoscopy

Endoscopy is a minimally invasive medical procedure that evaluates the upper portion of your gastrointestinal (GI) tract, inc...

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Video Capsule Endoscopy

Video capsule endoscopy, also known simply as capsule endoscopy, is a diagnostic imaging test where you swallow a capsule equ...

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SmartPill

The SmartPill™ is an ingestible, single-use capsule that has the ability to record a variety of useful diagnostic informati...

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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...

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Acid Reflux

Acid reflux refers to the backward flow of stomach acid and, sometimes, food particles from the stomach up into the esophagus...

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Barrett’s Esophagus

Barrett’s esophagus is a condition in which the tissue lining your esophagus changes to more closely resemble intestinal ti...

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Blood in Stool

Blood in the stool usually causes the stool to appear sticky or black, often assuming a tar-like appearance. Other times, you...

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Celiac 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...

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Colon 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...

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Constipation

Constipation refers to having extremely infrequent bowel movements or having difficulty in passing stools. Generally speaking...

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Colon Polyps

Colon polyps are small growths that are the result of an overgrowth of cells. They are usually small, rarely a cause for conc...

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Crohn'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...

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Diarrhea

Diarrhea refers to loose, watery stools and a feeling that you urgently need to use the restroom. This can last for a few day...

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Difficulty Swallowing

If you have dysphagia, or difficulty swallowing, you know it takes extra effort to get down food or liquids. This difficulty ...

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Diverticular Disease

Diverticula don’t necessarily cause symptoms or complications, and many people don’t realize they have the condition. Div...

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Eosinophilic Esophagitis (EoE)

Eosinophilic Esophagitis (EoE) is an inflammatory, allergic condition that affects the esophagus (food pipe) in which excess ...

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Fructose Intolerance

Fructose intolerance results from the inability to digest fructose, a sugar molecule found naturally in honey, agave nectar, ...

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Functional Dyspepsia

Functional dyspepsia is a disorder of the gut brain interaction (DGBI) in which you may experience early satiety (feeling ful...

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Gas & Bloat

The production of gas is a normal side effect of digestion, and burping or passing gas isn’t usually cause for concern. How...

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Gastroparesis

Gastroparesis is a condition that prevents your stomach from emptying itself of food properly. Normally, your stomach muscles...

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Gluten Intolerance

Some people show many of the symptoms of celiac disease when they eat gluten, but don’t test positive for the antibodies th...

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Heartburn and GERD

Acid reflux refers to the backward flow of stomach acid and, sometimes, food particles from the stomach up into the esophagus...

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Hemorrhoids

Hemorrhoids, sometimes called piles, are swollen veins that occur in the rectum or skin around the anus. Hemorrhoids are very...

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Hiatal Hernia

A hiatal hernia is a specific type of hernia that occurs when the upper portion of your stomach bulges through the muscles se...

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Inflammatory Bowel Disease

Inflammatory bowel disease, or IBD, is a chronic disease that affects the tissues of the digestive tract, most commonly the c...

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Irritable Bowel Syndrome

Irritable bowel syndrome is an intestinal disorder. When you suffer from IBS, problems with your large intestine cause abdomi...

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Lactose Intolerance

Lactose intolerance is the inability to break down the lactose found in dairy products. Lactose is one of many different suga...

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Small 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...

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Stomach & Intestine Ulcers

Peptic ulcers happen when the inner lining in your esophagus, stomach, or duodenum (the upper part of your small intestine) b...

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Sucrose Intolerance

Sucrose intolerance results from the inability to digest sucrose, or ‘table sugar.’ Beyond its presence in cane sugar, su...

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Viral 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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