Individual provider Active NPI

Jeff Mosier, ASW, PPSC

  • School Social Worker
  • Castro Valley, CA
National Provider Identifier
1861243826
Registry record updated Mar 28, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
School Social WorkerTaxonomy code 1041S0200X
License
ASW97774 Issued in CA
Practice address
4400 Alma Ave
Castro Valley, CA 94546-3104
Phone
(510) 766-0016
NPI assigned
Mar 28, 2024
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 28, 2024

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 ASW97774 CA Primary

Addresses

Primary practice location

4400 Alma Ave
Castro Valley, CA 94546-3104

Mailing address

4400 Alma Ave
Castro Valley, CA 94546-3104
Phone (510) 766-0016

Other practice location 1

19722 Center St
Castro Valley, CA 94546-4704
Phone (510) 247-0665

Other practice location 2

19400 Santa Maria Ave
Castro Valley, CA 94546-3400
Phone (510) 537-5910

Other practice location 3

19600 Cull Canyon Rd
Castro Valley, CA 94552-3715
Phone (510) 538-8833

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
ASW97774CAMDSchool Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Seneca Family of Agencies PastSince Aug 3, 2025 Accepting new patients
Castro Valley Unified PastSince Mar 31, 2024 Accepting new patients

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1711584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1711584000000",
    "number": "1861243826",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4400 ALMA AVE",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945463104",
            "telephone_number": "510-766-0016"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4400 ALMA AVE",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945463104",
            "telephone_number": "510-766-0016"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19722 Center St",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945464704",
            "country_code": "US",
            "telephone_number": "510-247-0665",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "19400 Santa Maria Ave",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945463400",
            "country_code": "US",
            "telephone_number": "510-537-5910",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "19600 Cull Canyon Rd",
            "address_purpose": "LOCATION",
            "city": "Castro Valley",
            "state": "CA",
            "postal_code": "945523715",
            "country_code": "US",
            "telephone_number": "510-538-8833",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOSIER",
        "first_name": "JEFF",
        "credential": "ASW, PPSC",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-03-28",
        "last_updated": "2024-03-28",
        "certification_date": "2024-03-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041S0200X",
            "taxonomy_group": "",
            "desc": "Social Worker, School",
            "state": "CA",
            "license": "ASW97774",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 28, 2024; 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.