Individual provider Active NPI

Matthew Tidd, LCSW

  • Clinical Social Worker
  • San Francisco, CA
National Provider Identifier
1619257458
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW87912 Issued in CA
Practice address
1263 Mission St
San Francisco, CA 94103-2705
Phone
(999) 999-9999
NPI assigned
Aug 24, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

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 LCSW87912 CA Primary

Addresses

Primary practice location

1263 Mission St
San Francisco, CA 94103-2705

Mailing address

PO Box 743749
Los Angeles, CA 90074-3749
Phone (415) 514-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260226003410 CA Practitioner - Clinical Social Worker 2668953696 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2014
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

PO Box
Los Angeles, CA 90074

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
LCSW87912CAMDClinical Social Worker
87912CAMDMassage Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jan 13, 2026 Accepting new patients
University of California San Francisco Clinical CurrentSince Jan 13, 2026 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": "1314144000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1619257458",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 743749",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900743749",
            "telephone_number": "415-514-3000",
            "fax_number": "415-502-8175"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1263 MISSION ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941032705",
            "telephone_number": "999-999-9999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TIDD",
        "first_name": "MATTHEW",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-08-24",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW87912",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.