Olivia Callister

Primary specialty

Marriage & Family TherapistTaxonomy code 106H00000X

Practice address

1278 Glenneyre St Unit 260
Laguna Beach, CA 92651-3103

Phone

(310) 938-7335

NPI assigned

Jul 26, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Western Youth Services

  • Adolescent and Children Mental Health Clinic/Center
  • Anaheim, CA
  • NPI 1770617987
  NPD (past)

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

{
    "created_epoch": "1658793600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764547200000",
    "number": "1346976909",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1278 GLENNEYRE ST UNIT 260",
            "city": "LAGUNA BEACH",
            "state": "CA",
            "postal_code": "926513103",
            "telephone_number": "310-938-7335"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1278 GLENNEYRE ST UNIT 260",
            "city": "LAGUNA BEACH",
            "state": "CA",
            "postal_code": "926513103",
            "telephone_number": "310-938-7335"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21300 Victory Blvd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Woodland Hills",
            "state": "CA",
            "postal_code": "913677725",
            "country_code": "US",
            "telephone_number": "310-938-7335",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALLISTER",
        "first_name": "OLIVIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-07-26",
        "last_updated": "2025-12-01",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Marriage & Family Therapist in Laguna Beach, CA
• Providers in Laguna Beach, CA by specialty
• Marriage & Family Therapist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 1, 2025; 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.