Individual provider Active NPI

Spencer K Martin, M.D.

  • Internal Medicine Physician
  • Brentwood, CA
National Provider Identifier
1942325220
Registry record updated Jun 21, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
C53514 Issued in CA
Practice address
2400 Balfour Rd
Suite 120
Brentwood, CA 94513-4945
Phone
(925) 308-8112
Fax
(925) 308-8710
NPI assigned
Mar 19, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 21, 2012

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X C53514 CA Primary

Addresses

Primary practice location

2400 Balfour Rd
Suite 120
Brentwood, CA 94513-4945

Mailing address

Dept 34929
P.O. 39000
San Francisco, CA 94139-0001
Phone (925) 952-2828

Other identifiers 1

IdentifierTypeStateIssuer
P00824968OtherCARAILROAD MEDICARE

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
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C53514CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
John Muir Physician Network Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: smartin@direct.wtbyhosp.org

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": "1174262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1340236800000",
    "number": "1942325220",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "DEPT 34929",
            "address_2": "P.O. 39000",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941390001",
            "telephone_number": "925-952-2828",
            "fax_number": "925-952-2850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 BALFOUR RD",
            "address_2": "SUITE 120",
            "city": "BRENTWOOD",
            "state": "CA",
            "postal_code": "945134945",
            "telephone_number": "925-308-8112",
            "fax_number": "925-308-8710"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTIN",
        "first_name": "SPENCER",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-19",
        "last_updated": "2012-06-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "C53514",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00824968",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Brentwood, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 21, 2012; 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.