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About Upstate Gastroenterology Associates

Welcome to Upstate Gastroenterology Associates, the leading experts in Gastroenterology and Hepatology in Upstate New York. Our practice is dedicated to providing comprehensive care for a wide range of gastrointestinal and liver conditions.

We specialize in colon cancer screening, Barrett’s esophagus and esophageal cancer screening, Crohn’s disease and ulcerative colitis, pancreatic and bile duct disorders, as well as liver diseases including hepatitis and cirrhosis. In addition, we offer expert evaluation and management of chronic abdominal pain and irritable bowel syndrome.

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Colonoscopy

A colonoscopy is now the gold standard used to detect or prevent individuals from getting colon cancer. Adults starting at age 45 years are strongly recommended to have a colonoscopy or some other test to screen for colon cancer.

Capsule Endoscopy

During the procedure, a patient swallows a vitamin-sized pill with a camera inside (pill camera). Transported smoothly and painlessly through the GI tract by the body’s own natural peristalsis, the video pill capsule transmits images of different parts of your intestine, such as the small intestine and the esophagus.

ERCP

An endoscopic retrograde cholangiopancreatography, more commonly known as ERCP, is an endoscopic procedure that is also combined with X-rays. ERCP is very much like a typical upper GI endoscopy; however, your gastroenterologist will inject a dye during the procedure, which highlights problems in certain digestive organs through X-ray technology.

Flexible Sigmoidoscopy

A sigmoidoscopy is an internal exam of the lower part of the large intestine (colon) using a short, thin, flexible, lighted tube with a camera at the tip. This procedure helps determine the cause of abdominal pain, rectal bleeding, changes in bowel habits, chronic diarrhea, and other intestinal problems.

Hemorrhoid Treatments

Two of the most common treatments for hemorrhoid removal are hemorrhoid banding, which cuts off blood flow to the hemorrhoid, and infrared coagulation (IRC) therapy, which uses infrared light to shrink and shrivel hemorrhoids. The treatment method depends highly upon whether the hemorrhoids are external (around the anus) or internal (in the rectum).

Upper Endoscopy

An endoscopy is a very common and safe procedure that is used to examine the esophagus, stomach, and upper part of the small intestine, known as the duodenum, to get a closer look at what may be causing symptoms.

Celiac Disease

Celiac disease is an autoimmune disease where a patient’s immune system abnormally responds to the ingestion of gluten. It is estimated that 1 in 100 people worldwide is affected by celiac disease. However, up to 2.5 million people in the United States may have celiac disease and not know it, as the symptoms range from mild to severe.

Constipation

Constipation is defined as having a bowel movement fewer than three times per week. With constipation, stools are usually hard, dry, small in size, and difficult to eliminate. Some people who are constipated find it painful to have a bowel movement and often experience straining, bloating, and the sensation of a full bowel.

GERD

Gastroesophageal reflux disease (GERD) is a more serious form of gastroesophageal reflux (GER) which is common. GER occurs when the lower esophageal sphincter (LES) opens spontaneously, for varying periods of time, or does not close properly, and stomach contents rise up into the esophagus.

Hemorrhoids

Hemorrhoids are swollen veins in the anal canal. This common problem can be painful and can be caused by too much pressure on the veins in the pelvic rectal area. Normally, tissue inside the anus fills with blood to help control bowel movements, but if you strain or sit on the toilet a long time to move stool, the increased pressure causes the veins in this tissue to swell and stretch.

Inflammatory Bowel Disease + Crohn's Disease & Ulcerative Colitis

Inflammatory bowel disease (IBD) encompasses a set of gastrointestinal diseases where parts of the digestive tract are chronically inflamed by a dysfunctional interaction immune system. Hereditary factors and an abnormal interaction between microorganisms and the immune system are felt to play a role.

Irritable Bowel Syndrome

It is estimated that 10 to 15 percent of Americans have Irritable Bowel Syndrome (IBS). IBS is a functional GI disorder that refers to a group of symptoms that affect the digestive tract, often resulting in abdominal pain, bloating, or cramping. However, some people with IBS have no symptoms at all.

What Our Patients Say About Us

Dr Robinson Sr. had to do my colonoscopy twice because of difficulty with the preparation but he was very sensitive and never made it an issue. I also have been seeing him for 21 years and he has been one of the very few Dr's that I have the utmost confidence in.
Samuel D.
Samuel D.
Front staff was great, Dr. Pronold was great, Inez was great, I had no issues. I don’t normally leave reviews, but I didn’t encounter any horror stories like so many others appear to have had, so I felt a positive review was definitely necessary. Would recommend
Anthony S.
Anthony S.
There is not a better Doctor or Person, Then Dr. Wm Robinson Sr. He has been my Doctor for over 25 years.
Nancy P.
Nancy P.
Dr. Barry Pronald is truly an outstanding gastroenterologist. From the first visit, it's clear he's not only highly knowledgeable, but also genuinely cares about his patients. He takes the time to listen, explain everything thoroughly, and never rushes through appointments. You feel seen, heard, and respected every step of the way.
Patton
Patton
I find Dr. Pronold to be very kind. He listens & cares. Made me feel confident about my procedures. Inez the nurse was also kind & helpful. The hospital gave me warm blankets, attended to me so that I felt safe & comfortable & at ease. Thank you.
Kathy M.
Kathy M.
Dr. Pronold is a wonderful physician. He is caring, courteous, responsive and professional. Puts you right at ease. He called me the day after my procedure with blood work results. Liver cancer screening was clear. He did not want me to worry so he called. I highly recommend Dr. Pronold.
Louise O.
Louise O.
Barry is the best! He helped me figure out that I have a dairy allergy and a gluten sensitivity. He really helped me develop a plan and feel better after 20 years of not!
Christine S.
Patient Testimonials
Dr. Pronold is always on time, and pleasant. He is extremely professional, and courteous. I have been seeing him for 10 years, and would never think of switching.
Cornelius W.
Cornelius W.

Blogs
Bloating

How to Stop Bloating After Meals

That tight, swollen, uncomfortable feeling that shows up after eating is one of the most common digestive complaints, and it can turn an enjoyable meal into hours of discomfort. The

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August 1, 2026
Diet

How to Follow an Elimination Diet for IBS

For people living with irritable bowel syndrome (IBS), food can feel like a minefield, with meals sometimes triggering abdominal pain, bloating, and unpredictable bowel habits. A structured elimination diet is

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July 22, 2026

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