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

Mrs. Gay M Beseth, NP

Individual provider Nurse Practitioner · NPI 1346398286

Mrs. Gay M Beseth, NP is a Nurse Practitioner in Upland, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

510 N 13th Ave Ste 204
Upland, CA 91786-4965
Phone: (909) 920-0525
Fax: (909) 920-0526
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP10839 (CA)

Record details

NPI number1346398286
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESFebruary 16, 2016

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