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.
Excellent Dr. and staff
(1 month ago)
Jul-2026
Best Dr ever
(1 month ago)
Jul-2026
Patient, attentive, caring.
(1 month ago)
Jul-2026
Doctor Rosenberg is a compassionate and caring Doctor who truly takes his time to discuss and understand your gastric issues.
(1 month ago)
Jun-2026
Listens, easy to talk to and understand; engaging, professional, provides feedback and healthcare direction/advice
(1 month ago)
Jun-2026
Dr. Rosenberg ultimately handled the situation and de-escalated a tense interaction at check-in so I could be seen.
(1 month ago)
Jun-2026
Simply the very best of his profession - kind, compassionate, caring, and totally professional. We are so very fortunate to have him take care of us.
(1 month ago)
Jun-2026
Always a great experience seeing Dr. Rosenberg. He is knowledgeable, caring, and very thoughtful. I would highly recommend Dr. Rosenberg.
(1 month ago)
Jun-2026
The best
(2 months ago)
Jun-2026
Dr Rosenberg is an extremely knowledgeable, compassionate Dr. I’ve trusted him for at least 10 years and he’s always been consistent and wonderful
(2 months ago)
Jun-2026
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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.
Excellent Dr. and staff
Best Dr ever
Patient, attentive, caring.
Doctor Rosenberg is a compassionate and caring Doctor who truly takes his time to discuss and understand your gastric issues.
Listens, easy to talk to and understand; engaging, professional, provides feedback and healthcare direction/advice
Dr. Rosenberg ultimately handled the situation and de-escalated a tense interaction at check-in so I could be seen.
Simply the very best of his profession - kind, compassionate, caring, and totally professional. We are so very fortunate to have him take care of us.
Always a great experience seeing Dr. Rosenberg. He is knowledgeable, caring, and very thoughtful. I would highly recommend Dr. Rosenberg.
The best
Dr Rosenberg is an extremely knowledgeable, compassionate Dr. I’ve trusted him for at least 10 years and he’s always been consistent and wonderful