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.
One of the top Drs in Pasadena….
(1 week ago)
Mar-2026
Very nice and efficient
(1 week ago)
Mar-2026
Always available to answer my questions. Very knowledgeable and caring if my well being.
(1 week 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
(3 weeks ago)
Feb-2026
I have been a patient of Dr Rosenberg’s for some time and he is an excellent physician.
(3 weeks ago)
Feb-2026
Dr. Rosenberg has always been my favorite doctor. He is now my husband's doctor also. Thank you Dr. Rosenberg!
(3 weeks ago)
Feb-2026
Always engaged and caring.
(3 weeks ago)
Feb-2026
Fantastic, attentive, caring doctor who really listens with compassion. His expertise and approachable manner have greatly impacted my health, guiding my family and me through difficult decisions with measured, excellent advice.
(1 month ago)
Feb-2026
Great doctor!
(1 month ago)
Feb-2026
Listens and explains things well.
(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.
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
I have been a patient of Dr Rosenberg’s for some time and he is an excellent physician.
Dr. Rosenberg has always been my favorite doctor. He is now my husband's doctor also. Thank you Dr. Rosenberg!
Always engaged and caring.
Fantastic, attentive, caring doctor who really listens with compassion. His expertise and approachable manner have greatly impacted my health, guiding my family and me through difficult decisions with measured, excellent advice.
Great doctor!
Listens and explains things well.