Active NPI
Joseph Micah Williams, MSW, PPSC
- School Social Worker
- San Marcos, CA
National Provider Identifier
1235082454
On this page
Key facts
NPPES NPI Registry- Primary specialty
- School Social Worker
- License
- 240192831
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
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
| License | State | Type | Specialty |
|---|---|---|---|
| 240192831 | CA | MD | School 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.