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.
Best doctor I have been to in years, Thorough, listens, recommends, has reviewed chart before start of session. Big plus. Excellent.
(1 week 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 week ago)
Nov-2025
Always listens!
(2 weeks ago)
Nov-2025
Dr Rosenberg is the best doctor I ever met
(3 weeks ago)
Nov-2025
Excellent bedside manners and diagnosis.
Thank you,
Maryam
(3 weeks ago)
Nov-2025
Provides knowledge, understanding and appropriate advice. A real expert and straight shooter.
(1 month ago)
Nov-2025
I had to wait a while for my appointment because Dr. Rosenberg spent a whole with his previous patient. It it one of the things I like most! He then spent a lot of time with me. Everyone is important to him, and you sense it. He is the best.
(1 month ago)
Oct-2025
Dr. Rosenberg is the best gastroenterologist I’ve had the pleasure to work with. He’s responsive to any issues I have and is incredibly knowledgeable and helpful.
(1 month ago)
Oct-2025
Excellence.
(1 month ago)
Oct-2025
Excellent physician !!!
(1 month ago)
Oct-2025
Read More
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.
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
Provides knowledge, understanding and appropriate advice. A real expert and straight shooter.
I had to wait a while for my appointment because Dr. Rosenberg spent a whole with his previous patient. It it one of the things I like most! He then spent a lot of time with me. Everyone is important to him, and you sense it. He is the best.
Dr. Rosenberg is the best gastroenterologist I’ve had the pleasure to work with. He’s responsive to any issues I have and is incredibly knowledgeable and helpful.
Excellence.
Excellent physician !!!