Individual provider · Type 1 NPI

Dwight W. Guan, MD

Family Medicine Physician · Upland, CA

NPI number 1184644676 Active

Practice location

999 San Bernardino Rd
Upland, CA 91786-4920

Fax (818) 587-2493

Mailing address

PO Box 4419
Woodland Hills, CA 91365-4419

Specialties and licenses

TaxonomyCodeLicense
Emergency Medicine Physician 207P00000XG59004 (CA)
Family Medicine Physician Primary 207Q00000XG59004 (CA)

Family Medicine Physician: Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

123 other providers at this address

Other family medicine physician providers in Upland

See all in Upland →

About NPI 1184644676

Dwight W. Guan, MD's National Provider Identifier is 1184644676, issued on Jul 20, 2006. The primary taxonomy on file is Family Medicine Physician (207Q00000X), and the practice location is in Upland, CA. The record was last updated on Sep 11, 2025.