Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

William Thomsen, FNP-C

Individual provider Family Nurse Practitioner · NPI 1821907072

William Thomsen, FNP-C is a Family Nurse Practitioner in Berkeley, California. Licensed in California. Registered with an NPI since 2026.

Licensed in
CA
In the registry since
2026
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

1304 Albina Ave # 3
Berkeley, CA 94706-2526
Phone: (650) 387-8269
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95041282 (CA)

Record details

NPI number1821907072
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedSeptember 3, 2026
Last updated in NPPESOctober 2, 2026
Certification dateOctober 2, 2026

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