Patrick Chang, MD

Unio Specialty Care

Gastroenterology

Pasadena, CA

Most recent review: 3 days ago New
4.9
99 Ratings
50 Comments

Patrick Chang, M.D., focuses on endoscopic prevention, diagnosis, and management for gastrointestinal/colorectal cancer and diseases, with an interest in pancreaticobiliary care. His interest in serving the community has been recognized by the UCLA Chanceller’s Service Award and as a Gastroenterology Physician of the Year at USC. Having previously served as a Clinical Instructor at both Los Angeles General Medical Center and USC Keck Medical Center, he now welcomes the honor of joining Unio with his esteemed partners and team to serve you and your patients.

4.9
99 Ratings
50 Comments

Patrick Chang, M.D., focuses on endoscopic prevention, diagnosis, and management for gastrointestinal/colorectal cancer and diseases, with an interest in pancreaticobiliary care. His interest in serving the community has been recognized by the UCLA Chanceller’s Service Award and as a Gastroenterology Physician of the Year at USC. Having previously served as a Clinical Instructor at both Los Angeles General Medical Center and USC Keck Medical Center, he now welcomes the honor of joining Unio with his esteemed partners and team to serve you and your patients.

The reviews listed below were collected independently of Unio Specialty Care through rater8. Each review represents an authentic and verified patient experience.

he seemed like he was in a rush. good advice though.

(3 days ago) Aug-2026

Very warm and clear information

(1 week ago) Jul-2026

Very thorough explaining results of previous procedures and answered questions plus very helpful and respectful

(3 weeks ago) Jul-2026

Dr Chang is an outstanding, knowledgeable clinician, a kind, compassionate, and dedicated to heal and cure his patients overall wellbeing heart, body, and soul, thank you Dr Chang for your care, I very highly recommend him for everybody looking for an outstanding doctor

(1 month ago) Jul-2026

Very personable with a good bedside manner, Dr. Chang is taking care of a my 93year-old father who had serious GI surgery. We feel that everything is going well so far.

(1 month ago) Jun-2026

Dr Chang is very patience to listen to his patient.

(1 month ago) Jun-2026

Very personable and took time to explain everything!

(1 month ago) Jun-2026

Amazing Docto

(1 month ago) Jun-2026

Dr. Chang was very kind, friendly, and calming. The appointment was very thorough and we went through everything I was wondering and concerned about. Very happy I chose him!

(1 month ago) Jun-2026

Excellent at explaining everything, while being kind, polite and professional.

(1 month ago) Jun-2026
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