Individual provider Active NPI

Willis L Gelston, M.D.

  • Geriatric Medicine (Family Medicine) Physician
  • San Leandro, CA
National Provider Identifier
1134188360
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Family Medicine) PhysicianTaxonomy code 207QG0300X
License
C32875 Issued in CA
Practice address
13851 E 14TH St
Suite 102
San Leandro, CA 94578-2631
Phone
(510) 351-2100
Fax
(510) 357-3389
NPI assigned
Mar 17, 2006
Last updated
Jul 8, 2007By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Family Medicine) Physician 207QG0300X C32875 CA Primary

Addresses

Primary practice location

13851 E 14TH St
Suite 102
San Leandro, CA 94578-2631

Mailing address

13851 E 14TH St
Suite 102
San Leandro, CA 94578-2631
Phone (510) 351-2100

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)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C32875CAMDGeriatric Medicine (Family Medicine) Physician

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1134188360",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13851 E 14TH ST",
            "address_2": "SUITE 102",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945782631",
            "telephone_number": "510-351-2100",
            "fax_number": "510-357-3389"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13851 E 14TH ST",
            "address_2": "SUITE 102",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945782631",
            "telephone_number": "510-351-2100",
            "fax_number": "510-357-3389"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GELSTON",
        "first_name": "WILLIS",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207QG0300X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "C32875",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Leandro, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.