Individual provider Active NPI

Joseph Micah Williams, MSW, PPSC

  • School Social Worker
  • San Marcos, CA
National Provider Identifier
1235082454
Registry record updated Feb 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
School Social WorkerTaxonomy code 1041S0200X
License
240192831 Issued in CA
Practice address
650 W Mission Rd
San Marcos, CA 92069-1555
Phone
(760) 290-2517
NPI assigned
Feb 17, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
School Social Worker 1041S0200X 240192831 CA Primary

Addresses

Primary practice location

650 W Mission Rd
San Marcos, CA 92069-1555

Mailing address

650 W Mission Rd
San Marcos, CA 92069-1555
Phone (760) 290-2517

Other names 1

  • Micah Williams Other name

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
240192831CAMDSchool Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1771286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771286400000",
    "number": "1235082454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "650 W MISSION RD",
            "city": "SAN MARCOS",
            "state": "CA",
            "postal_code": "920691555",
            "telephone_number": "760-290-2517"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "650 W MISSION RD",
            "city": "SAN MARCOS",
            "state": "CA",
            "postal_code": "920691555",
            "telephone_number": "760-290-2517"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JOSEPH",
        "middle_name": "MICAH",
        "credential": "MSW, PPSC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-02-17",
        "last_updated": "2026-02-17",
        "certification_date": "2026-02-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041S0200X",
            "taxonomy_group": "",
            "desc": "Social Worker, School",
            "state": "CA",
            "license": "240192831",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MICAH",
            "last_name": "WILLIAMS",
            "credential": "MSW, PPSC",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in San Marcos, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 17, 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.