Individual provider Active NPI

Robert Irving Liner, M.D.

  • Specialist
  • Mountain View, CA
National Provider Identifier
1629267117
Registry record updated Aug 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
G21240 Issued in CA
Practice address
1580 W El Camino Real
Suite 1
Mountain View, CA 94040-2458
Phone
(650) 964-1505
Fax
(650) 964-1522
NPI assigned
Oct 19, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X G21240 CA Primary

Addresses

Primary practice location

1580 W El Camino Real
Suite 1
Mountain View, CA 94040-2458

Mailing address

1580 W El Camino Real
Suite 1
Mountain View, CA 94040-2458
Phone (650) 964-1505

Other identifiers 1

IdentifierTypeStateIssuer
00G212400MedicaidCA

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
G21240CAMDSpecialist

Practice roles

OrganizationSpecialtyStatusNew patients
Yp Group, Inc Past Accepting new patients
W. D. McCallum, M.D., Inc. Past 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": "1192752000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786838400000",
    "number": "1629267117",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1580 W EL CAMINO REAL",
            "address_2": "SUITE 1",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940402458",
            "telephone_number": "650-964-1505",
            "fax_number": "650-964-1522"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1580 W EL CAMINO REAL",
            "address_2": "SUITE 1",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940402458",
            "telephone_number": "650-964-1505",
            "fax_number": "650-964-1522"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LINER",
        "first_name": "ROBERT",
        "middle_name": "IRVING",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-10-19",
        "last_updated": "2026-08-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G21240",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G212400",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mountain View, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.