NPIMap

Individual provider Active NPI

James Gregory Tappan, M.D.

  • Obstetrics & Gynecology Physician
  • San Mateo, CA
National Provider Identifier
1801880398
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
A23884 Issued in CA
Practice address
20 W 3Rd Ave
Suite 602
San Mateo, CA 94402-7112
Phone
(650) 347-5065
Fax
(650) 348-3425
NPI assigned
Sep 12, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X A23884 CA Primary

Addresses

Primary practice location

20 W 3Rd Ave
Suite 602
San Mateo, CA 94402-7112

Mailing address

20 W 3Rd Ave
Suite 602
San Mateo, CA 94402-7112
Phone (650) 347-5065

Other identifiers 4

IdentifierTypeStateIssuer
GR0063440MedicaidCA
94-3061735OtherFEDERAL TAX ID
A23884OtherCAMEDICAL LICENSE
05D078482OtherCLIA

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hospital of Barstow Inc Past Accepting new patients
Mills-Peninsula Health Services Past Accepting new patients
Sequoia Health Services Past Accepting new patients
Sierra Nevada Memorial-Miners Hospital Past Accepting new patients
Alta Bates Summit Medical Center Past Accepting new patients
Seton Medical Center Past Accepting new patients

Organizations & group practices 6

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": "1126483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1801880398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 W 3RD AVE",
            "address_2": "SUITE 602",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944027112",
            "telephone_number": "650-347-5065",
            "fax_number": "650-348-3425"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 W 3RD AVE",
            "address_2": "SUITE 602",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944027112",
            "telephone_number": "650-347-5065",
            "fax_number": "650-348-3425"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAPPAN",
        "first_name": "JAMES",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-09-12",
        "last_updated": "2023-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A23884",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0063440",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FEDERAL TAX ID",
            "identifier": "94-3061735",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "A23884",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CLIA",
            "identifier": "05D078482",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Mateo, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2023; 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.