NPIMap

Organization Active NPI

County of Ventura

Doing business as Mountain View Medical Clinic

  • Federally Qualified Health Center (FQHC)
  • Simi Valley, CA
National Provider Identifier
1871479519
Registry record updated Aug 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Federally Qualified Health Center (FQHC)Taxonomy code 261QF0400X
Legal business name
COUNTY OF VENTURA
Doing business as
Mountain View Medical Clinic
Practice address
1133B E Los Angeles Ave
Simi Valley, CA 93065-2846
Phone
(805) 582-3333
Fax
(805) 582-3320
NPI assigned
Aug 15, 2025
Last updated
Aug 26, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 26, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
John Fankhauser, MD
Title
HCA Director
Phone
(805) 652-6000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Federally Qualified Health Center (FQHC) 261QF0400X NU Primary

Addresses

Primary practice location

1133B E Los Angeles Ave
Simi Valley, CA 93065-2846

Mailing address

800 S Victoria Ave # L4640
Ventura, CA 93009-0002
Phone (805) 654-3813

Other names 1

  • Mountain View Medical Clinic Doing business as

National Provider Directory

National Provider Directory
Tax ID family
County of Ventura Area Agency on Aging85 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

Locations

1133 E Los Angeles Ave
#B
Simi Valley, CA 93065
Phone (805) 582-4000

1333B E Los Angeles Ave
Simi Valley, CA 93065

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1755216000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787702400000",
    "number": "1871479519",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 S VICTORIA AVE # L4640",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930090002",
            "telephone_number": "805-654-3813",
            "fax_number": "805-654-5028"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1133B E LOS ANGELES AVE",
            "city": "SIMI VALLEY",
            "state": "CA",
            "postal_code": "930652846",
            "telephone_number": "805-582-3333",
            "fax_number": "805-582-3320"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "COUNTY OF VENTURA",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-08-15",
        "last_updated": "2026-08-26",
        "certification_date": "2026-08-26",
        "status": "A",
        "authorized_official_last_name": "FANKHAUSER",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "HCA DIRECTOR",
        "authorized_official_telephone_number": "805-652-6000",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261QF0400X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Federally Qualified Health Center (FQHC)",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Mountain View Medical Clinic",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Simi Valley, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.