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.
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 week 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 week ago)
Oct-2025
Excellence.
(2 weeks ago)
Oct-2025
Excellent physician !!!
(2 weeks ago)
Oct-2025
Dr Rosenberg’s demeanor, expertise, sense of humor, compassion and commitment to his patients makes one feel grateful he is in their sphere!
(2 weeks ago)
Oct-2025
An excellent doctor! Thank you.
(2 weeks ago)
Oct-2025
You've been so diligent in helping me with my condition.
(2 weeks ago)
Oct-2025
He was not in a hurry, his mind was centered on my case, was pleased to answer all questions. I consider him a superb physician in both skill and personal contact.
(1 month ago)
Oct-2025
The best. 👍👍👍
(1 month ago)
Oct-2025
The usual 5 star rating once again. He is excellent.
(1 month ago)
Oct-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.
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 !!!
Dr Rosenberg’s demeanor, expertise, sense of humor, compassion and commitment to his patients makes one feel grateful he is in their sphere!
An excellent doctor! Thank you.
You've been so diligent in helping me with my condition.
He was not in a hurry, his mind was centered on my case, was pleased to answer all questions. I consider him a superb physician in both skill and personal contact.
The best. 👍👍👍
The usual 5 star rating once again. He is excellent.