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.
Dr. Rosenberg is a fantastic physician! He takes care of me and other family members!
(1 week ago)
Mar-2026
My GI doctor the past 10+ years. Excellent care.
(1 week ago)
Mar-2026
This was the first visit with him. He took time to know my medical history and answered all my questions. These are crucial characteristics of being professional.
(2 weeks ago)
Mar-2026
Very professional, yet personal.
Excellent beside manners!
Explains everything very clearly.
Thank you!
(2 weeks ago)
Mar-2026
This was the second follow up meeting after a hospital stay. All questions were answered, and a plan to move forward, was developed to try to gain some weight and eliminate several medications
(3 weeks ago)
Mar-2026
Dr R is kind, takes his time with you, does not seem rushed, and listens.
(3 weeks ago)
Mar-2026
One of the top Drs in Pasadena….
(1 month ago)
Mar-2026
Very nice and efficient
(1 month ago)
Mar-2026
Always available to answer my questions. Very knowledgeable and caring if my well being.
(1 month ago)
Mar-2026
I am so impressed and so grateful to have met Dr Rosenberg today he is truly amazing!!! Dr Rosenberg knows his stuff... he was very kind spent lots of time with me explained everything beautifully.. I know I'm in great hands
(1 month ago)
Feb-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.
Dr. Rosenberg is a fantastic physician! He takes care of me and other family members!
My GI doctor the past 10+ years. Excellent care.
This was the first visit with him. He took time to know my medical history and answered all my questions. These are crucial characteristics of being professional.
Very professional, yet personal. Excellent beside manners! Explains everything very clearly. Thank you!
This was the second follow up meeting after a hospital stay. All questions were answered, and a plan to move forward, was developed to try to gain some weight and eliminate several medications
Dr R is kind, takes his time with you, does not seem rushed, and listens.
One of the top Drs in Pasadena….
Very nice and efficient
Always available to answer my questions. Very knowledgeable and caring if my well being.
I am so impressed and so grateful to have met Dr Rosenberg today he is truly amazing!!! Dr Rosenberg knows his stuff... he was very kind spent lots of time with me explained everything beautifully.. I know I'm in great hands