Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Stephanie Ann Westerfield, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1437453297

Stephanie Ann Westerfield, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Van Nuys, California. Licensed in California. Registered with an NPI since 2011.

Licensed in
CA
In the registry since
2011
What do these letters mean?
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

16360 Roscoe Blvd 2nd Fl
Van Nuys, CA 91406-1219 Not confirmed with CMS for 10 years — call before visiting
Phone: (818) 901-4830
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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 NP23786 (CA)

Record details

NPI number1437453297
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP-BC
Sole proprietorNo
NPI enumeratedJanuary 7, 2011
Last updated in NPPESNovember 13, 2015

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients30
Services billed 75 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

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