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.
First time with Dr Wiesen. I was previously a patient of Dr Unger. I was extremely impressed with him. He has a great bedside manner. Very knowledgeable and professional. He answered all our questions. Looking forward to being a patient.
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
Very good experience
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
excellent Dr
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
He listened!
Rated 5 out of 5 stars
(1 week ago)
Oct-2026
Very personable. Staff was friendly and helpful. Dr. took his time and was genuinely interested in what I had to say.
Rated 5 out of 5 stars
(2 weeks ago)
Oct-2026
Very thorough with his exams
Rated 5 out of 5 stars
(1 month ago)
Oct-2026
Appreciate how easy he made it to be a patient from booking appointment to checking out.
Rated 5 out of 5 stars
(1 month ago)
Oct-2026
Very attentive and helpful
Rated 5 out of 5 stars
(1 month ago)
Sep-2026
Been going to Dr. Wiesen for years. Wonderful doctor!
Rated 5 out of 5 stars
(1 month ago)
Sep-2026
Great
Rated 5 out of 5 stars
(1 month ago)
Sep-2026
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.
First time with Dr Wiesen. I was previously a patient of Dr Unger. I was extremely impressed with him. He has a great bedside manner. Very knowledgeable and professional. He answered all our questions. Looking forward to being a patient.
Very good experience
excellent Dr
He listened!
Very personable. Staff was friendly and helpful. Dr. took his time and was genuinely interested in what I had to say.
Very thorough with his exams
Appreciate how easy he made it to be a patient from booking appointment to checking out.
Very attentive and helpful
Been going to Dr. Wiesen for years. Wonderful doctor!
Great