Dr. Peter M. Rosenberg, M.D. attended Harvard College and Harvard Medical School, after which he completed his Internal Medicine residency and Gastroenterology/ Hepatology fellowship at Massachusetts General Hospital. His interests include liver disease, quality improvement and outcomes assessment, and capsule endoscopy, as well as general gastroenterology.
Dr. Peter M. Rosenberg, M.D. attended Harvard College and Harvard Medical School, after which he completed his Internal Medicine residency and Gastroenterology/ Hepatology fellowship at Massachusetts General Hospital. His interests include liver disease, quality improvement and outcomes assessment, and capsule endoscopy, as well as general gastroenterology.
The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.
I have been seeing Dr Rosenberg for 20+ years, and he has always been wonderful.
(2 days ago)
Jan-2026
Dr Rosenberg. Took is time with me today. We covered a lot of issues.
Very pleased with my appointment today
(3 days ago)
Jan-2026
Kind and brilliant
(3 days ago)
Jan-2026
Dr. Rosenberg is an excellent gastroenterologist. He is very knowledgable, listens to questions and concerns and addresses them thoughtfully, and has a caring, unrushed and confidence inspiring manner
(4 days ago)
Jan-2026
He actually listened to my concerns. He seems to genuinely care and is empathetic which I haven’t experienced much of from many other providers.
(5 days ago)
Jan-2026
Dr. Rosenberg is fantastic. Not only an expert in his field, but incredible empathy and bedside manner.
(5 days ago)
Jan-2026
What a wonderful physician!! Always attentive, so incredibly intelligent, and very reassuring!
(1 month ago)
Dec-2025
I'm so grateful for Dr. Rosenberg! He's been my doctor for over 15+, and I've always been impressed with his care and dedication. His explanations are clear, and he takes the time to listen. Highly recommend! 👍
(1 month ago)
Dec-2025
Exceptional Doctor and outstanding service
(1 month ago)
Dec-2025
Takes time to listen never makes you feel rushed.
(1 month ago)
Dec-2025
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GI-Pasadena - Alessandro Place
50 Alessandro Place Suite 410 Pasadena, CA 91105
Dr. Peter M. Rosenberg, M.D. attended Harvard College and Harvard Medical School, after which he completed his Internal Medicine residency and Gastroenterology/Hepatology fellowship at Massachusetts General Hospital. He has lived in Southern California since completing training in 1999. His interests include liver disease, quality improvement and outcomes assessment, and capsule endoscopy, as well as general gastroenterology.
Dr. Rosenberg is a member of the medical staff at Huntington Hospital in Pasadena, where he has been active in patient care, teaching of residents and medical students, and positions of medical staff leadership. He is also a proud member of the medical staff of Pasadena Endoscopy Center.
I have been seeing Dr Rosenberg for 20+ years, and he has always been wonderful.
Dr Rosenberg. Took is time with me today. We covered a lot of issues. Very pleased with my appointment today
Kind and brilliant
Dr. Rosenberg is an excellent gastroenterologist. He is very knowledgable, listens to questions and concerns and addresses them thoughtfully, and has a caring, unrushed and confidence inspiring manner
He actually listened to my concerns. He seems to genuinely care and is empathetic which I haven’t experienced much of from many other providers.
Dr. Rosenberg is fantastic. Not only an expert in his field, but incredible empathy and bedside manner.
What a wonderful physician!! Always attentive, so incredibly intelligent, and very reassuring!
I'm so grateful for Dr. Rosenberg! He's been my doctor for over 15+, and I've always been impressed with his care and dedication. His explanations are clear, and he takes the time to listen. Highly recommend! 👍
Exceptional Doctor and outstanding service
Takes time to listen never makes you feel rushed.