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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

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Fan graduated from Kaohsiung Medical University.


Dr. Fan has 5 hospital affiliations:

  • Doctors' Hospital Medical Center of Montclair 
  • Pomona Valley Hospital Medical Center 


  • Chinese
  • Mandarin
  • English
  • Spanish
  • Taiwanese

> > > > Dr. Warren Fan, MD

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Additional Information
Dr. Warren C Fan MD is a male Internist, has 46 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Warren C. Fan practice?
Dr. Warren Fan has 3 office locations.
Dr. Warren Fan practices Internal Medicine and Cardiovascular Disease near Upland, CA.
Additional practice locations include: Rancho Cucamonga, CA.
See Upland Internists and Upland Cardiologists.