Individual provider Active NPI

Gary Robert Lancaster, PSY

  • Psychologist
  • Tuolumne, CA
National Provider Identifier
1215982632
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PSY4671 Issued in CA
Practice address
18396 Tuolumne Road
Suite 9
Tuolumne, CA 95379
Phone
(209) 928-4816
Fax
(209) 928-3636
NPI assigned
May 24, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PSY4671 CA Primary

Addresses

Primary practice location

18396 Tuolumne Road
Suite 9
Tuolumne, CA 95379

Mailing address

PO Box 2080
Mact Health Board Inc
Tuolumne, CA 95379-2080
Phone (209) 928-4278

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)
Enrolled

State licenses

LicenseStateTypeSpecialty
PSY4671CAMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
M a C T Health Board Incorporated Past 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": "1148428800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1215982632",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2080",
            "address_2": "MACT HEALTH BOARD INC",
            "city": "TUOLUMNE",
            "state": "CA",
            "postal_code": "953792080",
            "telephone_number": "209-928-4278",
            "fax_number": "209-928-3636"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18396 TUOLUMNE ROAD",
            "address_2": "SUITE 9",
            "city": "TUOLUMNE",
            "state": "CA",
            "postal_code": "95379",
            "telephone_number": "209-928-4816",
            "fax_number": "209-928-3636"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LANCASTER",
        "first_name": "GARY",
        "middle_name": "ROBERT",
        "credential": "PSY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-24",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY4671",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tuolumne, CA

Sources for this page

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