Elizabeth Ann Gay, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

194900 Issued in CA

Practice address

505 Parnassus Ave # 111
San Francisco, CA 94143-2204

Phone

(415) 476-0753

Fax

(415) 502-2605

NPI assigned

Mar 21, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1584748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1760018758",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1300 26TH AVE APT 402",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941221549",
            "telephone_number": "509-592-7686"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE # 111",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-476-0753",
            "fax_number": "415-502-2605"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GAY",
        "first_name": "ELIZABETH",
        "middle_name": "ANN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-21",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "194900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jonathan Gavzer, LAC.
• Mia Gaw, PA-C
• Ryan Gaw, DDS
• Stephanie Lina Gaw, MD, PHD
• Sittana Bashir Gawi
• Joel Gay
• Stephanie Otten Gay, MD
• Gabriela Gayer, MD
• Donnie Gayfield, LCSW
• Robert S Gaygay

• 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 Jun 11, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.