Stephen Howard Hoffman, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

G45540 Issued in CA

Practice address

1001 Potrero Ave
RM 1E21
San Francisco, CA 94110-3518

Phone

(415) 206-5753

Fax

(415) 206-5818

NPI assigned

Jun 15, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1150329600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1265476147",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7464",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941207464",
            "telephone_number": "415-206-3103",
            "fax_number": "415-206-3872"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 POTRERO AVE",
            "address_2": "RM 1E21",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941103518",
            "telephone_number": "415-206-5753",
            "fax_number": "415-206-5818"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOFFMAN",
        "first_name": "STEPHEN",
        "middle_name": "HOWARD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "G45540",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G45540",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G455400",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Katey K Hoffman, MD
• Kim Thi Nguyen Hoffman, LCSW
• Marsha Hoffman
• Ralph E. Hoffman, D.M.D.
• Samantha Hoffman
• William Y. Hoffman, MD
• Steven M Hoffmann
• Stacey McCann Hoffmayer
• Gala Hofmann
• Grant Jeffrey Hofmann, DDS

• Internal Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.