Dr. Robert S. Wiesen, M.D., is board-certified in Gastroenterology and Internal Medicine. He is fellowship-trained in gastroenterology from UMDNJ-New Jersey Medical School, where he was elected chief fellow. He completed his residency at Beth Israel Medical Center in Manhattan. His special interests include therapeutic endoscopy, endoscopic ultrasound, ERCP, and the management of gastroesophageal reflux disease.
Dr. Robert S. Wiesen, M.D., is board-certified in Gastroenterology and Internal Medicine. He is fellowship-trained in gastroenterology from UMDNJ-New Jersey Medical School, where he was elected chief fellow. He completed his residency at Beth Israel Medical Center in Manhattan. His special interests include therapeutic endoscopy, endoscopic ultrasound, ERCP, and the management of gastroesophageal reflux disease.
The reviews listed below were collected independently of GastroMed Healthcare through rater8. Each review represents an authentic and verified patient experience.
Dr Wiesen is a great doctor. His caring ways and his explanations makes it easier to understand about my health.
(1 week ago)
May-2026
I’m a longtime patient. Doctor has always been great, instilling, professionalism, and confidence. Highly recommend.
(1 week ago)
Apr-2026
Was great experience
(3 weeks ago)
Apr-2026
Very good
(1 month ago)
Apr-2026
Very happy with my cisit
(2 months ago)
Mar-2026
Very professional Excellent Doctor I refer a lot of patients to him Great bed side manor cannot say enough Great things about him👍
(2 months ago)
Mar-2026
He listened carefully and then discussed a logical plan, which he explained well.
(2 months ago)
Feb-2026
Dr. Wiesen took the time to listen to all of my concerns and talk me through my options. I did not feel rushed at all and feel very comfortable with next steps after talking with him.
(2 months ago)
Feb-2026
Overall happy with my visits but a first time patient.
(2 months ago)
Feb-2026
He is a great doctor! I saw him for the first time this week. On time and very thorough.
(2 months ago)
Feb-2026
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GastroMED
25 Monroe Street Bridgewater, NJ 08807
Dr. Robert S. Wiesen, M.D., is a board-certified physician with expertise in Gastroenterology and Internal Medicine.
He completed his medical residency at Beth Israel Medical Center in Manhattan. He then went on to complete his fellowship in gastroenterology at UMDNJ-New Jersey Medical School, where he was elected chief fellow in recognition of his diagnostic and endoscopic skills.
He has presented research abstracts on hepatitis and pruritus at international meetings and the National Institutes of Health.
His special interests lie in therapeutic endoscopy, including endoscopic ultrasound with fine needle aspiration, ERCP with gallstone removal, colonic and esophageal stent placement, and endoscopic mucosal resection. He also performs upper endoscopy and screening colonoscopy with biopsy and polyp removal, and has expertise in diagnosing and managing gastroesophageal reflux disease.
Dr Wiesen is a great doctor. His caring ways and his explanations makes it easier to understand about my health.
I’m a longtime patient. Doctor has always been great, instilling, professionalism, and confidence. Highly recommend.
Was great experience
Very good
Very happy with my cisit
Very professional Excellent Doctor I refer a lot of patients to him Great bed side manor cannot say enough Great things about him👍
He listened carefully and then discussed a logical plan, which he explained well.
Dr. Wiesen took the time to listen to all of my concerns and talk me through my options. I did not feel rushed at all and feel very comfortable with next steps after talking with him.
Overall happy with my visits but a first time patient.
He is a great doctor! I saw him for the first time this week. On time and very thorough.