BRITNEY SILL
NPI 1407717267
Nurse Practitioner - Psychiatric/Mental Health in Simi Valley, CA

Q: What is Britney Sill's NPI number?

The NPI number for Britney Sill is 1407717267. It was assigned to this individual provider in the NPPES registry on November 20, 2025.

Q: What is Britney Sill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Britney Sill was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 20, 2025

PO BOX 305, SIMI VALLEY, CA 93062(805) 587-5829 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Britney Sill NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRITNEY SILL (NPI 1407717267) is an individual psychiatric/mental health provider in Simi Valley, California, licensed in California (95036408) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1407717267

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameBRITNEY SILL

Location AddressPO BOX 305Simi Valley, CA 93062-0305

Mailing AddressPo Box 305Simi Valley, CA 93062-0305 · (805) 587-5829

Phone(805) 587-5829

Sole ProprietorNo

Enumeration DateNovember 20, 2025

NPPES CertifiedNovember 20, 2025

✔ NPI 1407717267 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in CA · 95036408

PO BOX 305, Simi Valley, CA 93062

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Britney Sill's NPI number?

The NPI number for Britney Sill is 1407717267. It was assigned to this individual provider in the NPPES registry on November 20, 2025.

Where is Britney Sill located?

Britney Sill practices at PO Box 305, Simi Valley, CA 93062. The listed phone number is (805) 587-5829.

What is Britney Sill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Britney Sill was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.