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.
Always engaged and caring.
(2 days 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 week ago)
Feb-2026
Great doctor!
(3 weeks ago)
Feb-2026
Listens and explains things well.
(3 weeks ago)
Feb-2026
As usual, Dr. Rosenberg was attentive and informative. I always feel hopeful after my visits with him.
(3 weeks ago)
Feb-2026
A wonderful doctor that listens shows compassion looks as many ways as he needs to find what the problem is ,finds ways to treat your medical conditions a great doctor nurses and staff
(3 weeks ago)
Feb-2026
He takes his time with you. I didn’t feel rushed, like just another number. I felt like he took his time to explain. Office was clean. His staff was friendly. Great doctor.
(1 month ago)
Jan-2026
Dr Rosenberg is vey helpful.
(1 month ago)
Jan-2026
The most caring physician that I had in my life. Thank you, Dr. Rosenberg!
(1 month ago)
Jan-2026
Knowledgeable, thorough, and personable
(1 month ago)
Jan-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.
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.
As usual, Dr. Rosenberg was attentive and informative. I always feel hopeful after my visits with him.
A wonderful doctor that listens shows compassion looks as many ways as he needs to find what the problem is ,finds ways to treat your medical conditions a great doctor nurses and staff
He takes his time with you. I didn’t feel rushed, like just another number. I felt like he took his time to explain. Office was clean. His staff was friendly. Great doctor.
Dr Rosenberg is vey helpful.
The most caring physician that I had in my life. Thank you, Dr. Rosenberg!
Knowledgeable, thorough, and personable