Browse Health
Internist, Gastroenterologist (digestive)
31 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Dennis Chan, MD is board certified in Internal Medicine.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Chan graduated from University Of Hong Kong.


Dr. Chan has 8 hospital affiliations:

  • Alhambra Hospital Medical Center 
  • San Gabriel Valley Medical Center 


  • Vietnamese
  • Spanish
  • Chinese
  • Mandarin
  • English
  • Cantonese

> > > > Dr. Dennis Chan, MD

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Additional Information
Dr. Dennis Y Chan MD is a male Internist, has 31 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Dennis Y. Chan practice?
Dr. Dennis Chan has 2 office locations.
Dr. Dennis Chan practices Internal Medicine and Gastroenterology near Monterey Park, CA.
Additional practice locations include: Hacienda Heights, CA.
See Monterey Park Internists and Monterey Park Gastroenterologists.