William Franklin Johnston

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

12141 Brookhurst St Ste 101
Garden Grove, CA 92840-2865

Phone

(714) 296-1934

NPI assigned

Sep 24, 2025

Sex

Male

Sole proprietor

Yes

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

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.

• Telecare Corporation

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Garden Grove, CA
  • NPI 1346737590
  NPD

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

{
    "created_epoch": "1758672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760918400000",
    "number": "1699648972",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12141 BROOKHURST ST STE 101",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928402865",
            "telephone_number": "714-296-1934"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12141 BROOKHURST ST STE 101",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928402865",
            "telephone_number": "714-296-1934"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "WILLIAM",
        "middle_name": "FRANKLIN",
        "name_prefix": "Mr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-09-24",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Rhiannon Johnson
• Tim T. Johnson, D.C.
• Trevor Lee Johnson
• Whitney Johnson
• Mary Teresa Johnston
• Joint Effort ABA
• Malia Jon
• Robin E Jones-Brown, M.S., CCC
• Casey Jones
• Elijah Anthony Jones

• Student in an Organized Health Care Education/Training Program in Garden Grove, CA
• Providers in Garden Grove, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 20, 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.