Individual provider Active NPI

Faith Greiner Field

  • Marriage & Family Therapist
  • Westlake Village, CA
National Provider Identifier
1669376471
Registry record updated Oct 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
AMFT165638 Issued in CA
Practice address
3625 E Thousand Oaks Blvd Ste 281
Westlake Village, CA 91362-3580
Phone
(805) 399-0223
NPI assigned
Oct 5, 2026
Last updated
Oct 5, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X AMFT165638 CA Primary

Addresses

Primary practice location

3625 E Thousand Oaks Blvd Ste 281
Westlake Village, CA 91362-3580

Mailing address

1837 Burning Tree Dr
Thousand Oaks, CA 91362-1314
Phone (805) 399-0223

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
AMFT165638CAMDMarriage & Family Therapist

NPI Registry JSON

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

{
    "created_epoch": "1791158400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791158400000",
    "number": "1669376471",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1837 BURNING TREE DR",
            "city": "THOUSAND OAKS",
            "state": "CA",
            "postal_code": "913621314",
            "telephone_number": "805-399-0223"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3625 E THOUSAND OAKS BLVD STE 281",
            "city": "WESTLAKE VILLAGE",
            "state": "CA",
            "postal_code": "913623580",
            "telephone_number": "805-399-0223"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIELD",
        "first_name": "FAITH",
        "middle_name": "GREINER",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-10-05",
        "last_updated": "2026-10-05",
        "certification_date": "2026-10-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "AMFT165638",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Westlake Village, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 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.