Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Douglas J Beseth, MD

Individual provider General Practice Physician · NPI 1336259720

Douglas J Beseth, MD is a General Practice Physician in Upland, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

999 San Bernardino Rd
Upland, CA 91786-4920
Phone: (909) 908-5086
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence C30121 (CA)

Record details

NPI number1336259720
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 30, 2006
Last updated in NPPESJune 13, 2013
Mailing address1277 Upland Hills Dr S, Upland, CA 91786-2439

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