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

Whitney Kathleen Halvorsen, NP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1881315869

Whitney Kathleen Halvorsen, NP is a Psychiatric/Mental Health Nurse Practitioner in Martinez, California. Licensed in Minnesota. Registered with an NPI since 2022.

Licensed in
MN
In the registry since
2022
What do these letters mean?
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

150 Muir Rd
Martinez, CA 94553-4668
Phone: (925) 372-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 9391 (MN)

Record details

NPI number1881315869
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 7, 2022
Last updated in NPPESSeptember 7, 2022
Certification dateSeptember 7, 2022

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