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.
What a wonderful physician!! Always attentive, so incredibly intelligent, and very reassuring!
(1 week 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 week ago)
Dec-2025
Exceptional Doctor and outstanding service
(1 week ago)
Dec-2025
Takes time to listen never makes you feel rushed.
(2 weeks ago)
Dec-2025
Such a kind and knowledgeable doctor!
(2 weeks ago)
Dec-2025
Best doctor I have been to in years, Thorough, listens, recommends, has reviewed chart before start of session. Big plus. Excellent.
(1 month ago)
Nov-2025
Dr rosenberg is the best. Has been able to get my multiple gi issues under complete control. He really listens to his patients
(1 month ago)
Nov-2025
Always listens!
(1 month ago)
Nov-2025
Dr Rosenberg is the best doctor I ever met
(1 month ago)
Nov-2025
Excellent bedside manners and diagnosis.
Thank you,
Maryam
(1 month ago)
Nov-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.
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.
Such a kind and knowledgeable doctor!
Best doctor I have been to in years, Thorough, listens, recommends, has reviewed chart before start of session. Big plus. Excellent.
Dr rosenberg is the best. Has been able to get my multiple gi issues under complete control. He really listens to his patients
Always listens!
Dr Rosenberg is the best doctor I ever met
Excellent bedside manners and diagnosis. Thank you, Maryam