Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COUNTY OF VENTURA
NPI 1871479519
Clinic/Center - Federally Qualified Health Center (FQHC) in Simi Valley, CA

Q: What is County Of Ventura's NPI number?

The NPI number for County Of Ventura is 1871479519. It was assigned to this organization in the NPPES registry on August 15, 2025. The provider is doing business as Mountain View Medical Clinic.

Q: What is County Of Ventura's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Q: When was this NPI record last updated?

The NPPES record for County Of Ventura was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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 August 15, 2025

1133B E LOS ANGELES AVE, SIMI VALLEY, CA 93065(805) 582-3333(805) 582-3320 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 26, 2026, Dec 9, 2025, Aug 15, 2025 (3 updates tracked since 2025).

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About County Of Ventura NPPES

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

COUNTY OF VENTURA (NPI 1871479519), doing business as Mountain View Medical Clinic, is a healthcare organization registered as a federally qualified health center (fqhc) in Simi Valley, California and active in the NPI registry since August 2025. The organization lists John Fankhauser, Hca Director, as its authorized official.

NPPES Registry Identity

NPI1871479519

Entity TypeOrganization

Primary Taxonomy261QF0400X

Legal Business NameCOUNTY OF VENTURA

Location Address1133B E LOS ANGELES AVESimi Valley, CA 93065-2846

Mailing Address800 S Victoria Ave # L4640Ventura, CA 93009-0002 · (805) 654-3813 · Fax (805) 654-5028

Phone(805) 582-3333

Fax(805) 582-3320

Organization SubpartNo

Authorized OfficialJohn FankhauserHca Director · (805) 652-6000

Enumeration DateAugust 15, 2025

Last NPPES UpdateAugust 26, 20263 updates tracked since enumeration

NPPES CertifiedAugust 26, 2026

✔ NPI 1871479519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities

Taxonomy Code261QF0400X

1133B E LOS ANGELES AVE, Simi Valley, CA 93065

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Other Names 1

Doing Business AsMountain View Medical Clinic

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 County Of Ventura's NPI number?

The NPI number for County Of Ventura is 1871479519. It was assigned to this organization in the NPPES registry on August 15, 2025. The provider is doing business as Mountain View Medical Clinic.

Where is County Of Ventura located?

County Of Ventura is located at 1133B E Los Angeles Ave, Simi Valley, CA 93065. The listed phone number is (805) 582-3333.

What is County Of Ventura's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

When was this NPI record last updated?

The NPPES record for County Of Ventura was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.