Individual provider Active NPI

Nathan M Bass, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1689638959
Registry record updated Jul 23, 2008
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A39874 Issued in CA
Practice address
350 Parnassus Ave
#410
San Francisco, CA 94143-0001
Phone
(415) 353-2318
Fax
(415) 353-2407
NPI assigned
Apr 13, 2006
Last updated
Jul 23, 2008By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 23, 2008

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A39874 CA Primary
Gastroenterology Physician 207RG0100X A39874 CA

Addresses

Primary practice location

350 Parnassus Ave
#410
San Francisco, CA 94143-0001

Mailing address

1635 Divisadero St
Ste 625, Box 1821
San Francisco, CA 94143-0001
Phone (415) 353-2318

Other identifiers 1

IdentifierTypeStateIssuer
00A398740MedicaidCA

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
A39874CAMDGastroenterology Physician

NPI Registry JSON

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

{
    "created_epoch": "1144886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1216771200000",
    "number": "1689638959",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1635 DIVISADERO ST",
            "address_2": "STE 625, BOX 1821",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-353-2318"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 PARNASSUS AVE",
            "address_2": "#410",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430001",
            "telephone_number": "415-353-2318",
            "fax_number": "415-353-2407"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BASS",
        "first_name": "NATHAN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-13",
        "last_updated": "2008-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A39874",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A39874",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A398740",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 2008; 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.