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

Diane A Thomasen, RN, NP

Individual provider Pediatric Nurse Practitioner · NPI 1114935269

Diane A Thomasen, RN, NP is a Nurse Practitioner in Yuba City, California. Graduated from University of California, Davis School of Medicine in 1977, 49 years ago. Practices with Sutter Valley Medical Foundation, a 2,464-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

480 Plumas Blvd
Yuba City, CA 95991-5005
Phone: (530) 749-3326
Fax: (530) 749-3197
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence NPF1308 (CA)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence NP1308 (CA)

Record details

NPI number1114935269
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , NP
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESMay 3, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Sutter Valley Medical Foundation — 2464 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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