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.
Listens and explains things well.
(4 days ago)
Feb-2026
As usual, Dr. Rosenberg was attentive and informative. I always feel hopeful after my visits with him.
(4 days 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
(6 days 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 week ago)
Jan-2026
Dr Rosenberg is vey helpful.
(1 week ago)
Jan-2026
The most caring physician that I had in my life. Thank you, Dr. Rosenberg!
(1 week ago)
Jan-2026
Knowledgeable, thorough, and personable
(2 weeks ago)
Jan-2026
Very professional and caring
(2 weeks ago)
Jan-2026
Dr. Rosenberg is truly an excellent professional. He is thorough, he listens well, understands your concerns and
comes up with a excellent plan moving forward to find out the cause of what ales you. He doesn’t just put a Band-Aid on it, he truly cares enough to heal & give his patients a better & healthier quality of life.
(2 weeks ago)
Jan-2026
Great table side manners. Explain everything about my condition and the procedure that will be done
(2 weeks 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.
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
Very professional and caring
Dr. Rosenberg is truly an excellent professional. He is thorough, he listens well, understands your concerns and comes up with a excellent plan moving forward to find out the cause of what ales you. He doesn’t just put a Band-Aid on it, he truly cares enough to heal & give his patients a better & healthier quality of life.
Great table side manners. Explain everything about my condition and the procedure that will be done