HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

DENNIS CHAN, MD

GASTROENTEROLOGY

Graduated: 1980

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1053343434

Practice Locations (3)

GLOBAL GASTROENTEROLOGY GROUP INC

120 W HELLMAN AVE, SUITE 201

MONTEREY PARK, CA 917541209

6262803003

GLOBAL GASTROENTEROLOGY GROUP INC

120 W HELLMAN AVE, SUITE 201

MONTEREY PARK, CA 917541242

GLOBAL GASTROENTEROLOGY GROUP INC

500 N GARFIELD AVE

MONTEREY PARK, CA 917541242

Source: CMS National Downloadable File, September 2026.

DENNIS CHAN, MD | HealthCareAtlasUSA