Individual provider Active NPI

Martin Mannion

  • School Social Worker
  • San Francisco, CA
National Provider Identifier
1194640375
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
School Social WorkerTaxonomy code 1041S0200X
Practice address
1920 41St Ave
San Francisco, CA 94116-1101
Phone
(610) 246-3735
NPI assigned
Aug 13, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 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 CA Primary

Addresses

Primary practice location

1920 41St Ave
San Francisco, CA 94116-1101

Mailing address

544A 28TH St
San Francisco, CA 94131-2220
Phone (610) 246-3735

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

NPI Registry JSON

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

{
    "created_epoch": "1786579200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786579200000",
    "number": "1194640375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "544A 28TH ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941312220",
            "telephone_number": "610-246-3735"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1920 41ST AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941161101",
            "telephone_number": "610-246-3735"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MANNION",
        "first_name": "MARTIN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-08-13",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041S0200X",
            "taxonomy_group": "",
            "desc": "Social Worker, School",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 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.