Joshua J Williams, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY25169 Issued in CA

Practice address

31194 La Baya Dr Ste 100
Westlake Village, CA 91362-6420

Phone

(805) 242-2429

Fax

(310) 870-7197

NPI assigned

Jul 7, 2009

Sex

Male

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pacific Coast Psychology Group IncGroup PAC ID 9335410729, 25 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Pacific Coast Psychology Group, Inc.

  • Psychologist
  • Westlake Village, CA
  • NPI 1932647468
  Medicare reassignment Care Compare group NPD Authorized official
• Brian Wu MD PHD Inc

  • Psychiatry Physician
  • San Gabriel, CA
  • NPI 1528639481
  NPD (past)

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

{
    "created_epoch": "1246924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736380800000",
    "number": "1285863613",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31194 LA BAYA DR STE 100",
            "city": "WESTLAKE VILLAGE",
            "state": "CA",
            "postal_code": "913626420",
            "telephone_number": "805-242-2429",
            "fax_number": "310-870-7197"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31194 LA BAYA DR STE 100",
            "city": "WESTLAKE VILLAGE",
            "state": "CA",
            "postal_code": "913626420",
            "telephone_number": "805-242-2429",
            "fax_number": "310-870-7197"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JOSHUA",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-07-07",
        "last_updated": "2025-01-09",
        "certification_date": "2025-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY25169",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Wichita 1859, LLC
• Kimberly Jane Wick, LMFT
• Wilkes & Shani Medical PC
• Wilkes & Shani Medical PC
• William J. Fisher, M.D., Facs, Inc.
• Nichole Williams, M.A., BCBA
• Troy Christopher Williams, M.D.
• Hayley Marie Willis, AMFT
• Michael Willis, D.C.
• Tashnee Amanda Willis, DPT

• Clinical Psychologist in Westlake Village, CA
• Providers in Westlake Village, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.