Patrick Chang, MD

Unio Specialty Care

Gastroenterology

Pasadena, CA

Most recent review: 1 week ago New
4.9
76 Ratings
37 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
76 Ratings
37 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.

Kind, prepared,knowledgeable, realistic. Listened and answered all questions and made clear referral.

(1 week ago) May-2026

Dr. Chang was very friendly, courteous and spent time thoroughly listening. He came up with a comprehensive assessment and treatment plan in our first appt. I’m extremely pleased with my visit.

(1 week ago) May-2026

I like Dr. Cheng, he explains things to me very clearly. My right is 5 stars.

(3 weeks ago) Apr-2026

Knowledgeable, thorough, and patient. Good at explaining things in simple terms.

(1 month ago) Apr-2026

Dr Chang diligently helps me by taking time to make follow up calls after a procedure prescribed.

(1 month ago) Apr-2026

He is a very good doctor my my was just seeing by this doctor he is very dedicated and caring about the patients he wells communicate with the patients and overall he is great thank you to DR Patrick Chang and his office staff

(1 month ago) Mar-2026

Appreciate the time given to answer all of my and my husbands’ questions. He did not rush through the results and sent my primary care doctor a message based on what we discussed. The comfort felt builds trust and we sincerely have trusted Dr. Chang with my current care.

(1 month ago) Mar-2026

It is refreshing to meet a young physician who is both professional and has superb bedside manner!! I am so very impressed how approachable and patient Dr. Chang is! I only wish he specializes in every medical specialty.

(2 months ago) Mar-2026

Very thorough and informative.

(2 months ago) Mar-2026

Excellent Doctor

(2 months ago) Mar-2026
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