Individual provider Active NPI

Marshall Thompson Speer, LCSW

  • Clinical Social Worker
  • San Francisco, CA
National Provider Identifier
1972840981
Registry record updated Aug 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCS19577 Issued in CA
Practice address
2709 Jackson St
San Francisco, CA 94115-1143
Phone
(214) 628-1997
NPI assigned
Jan 10, 2013
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 18, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LCS19577 CA Primary

Addresses

Primary practice location

2709 Jackson St
San Francisco, CA 94115-1143

Mailing address

2709 Jackson St
San Francisco, CA 94115-1143
Phone (214) 628-1997

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
LCS19577CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Solution Focused Psychotherapy a Licensed Clinical Social Worker Corporation Current Accepting new patients

Organizations & group practices 1

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": "1357776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1972840981",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2709 JACKSON ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151143",
            "telephone_number": "214-628-1997"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2709 JACKSON ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941151143",
            "telephone_number": "214-628-1997"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPEER",
        "first_name": "MARSHALL",
        "middle_name": "THOMPSON",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-01-10",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCS19577",
            "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 18, 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.