Ellen Elizabeth Larson, MD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

550 16TH St FL 4
San Francisco, CA 94143-2549

Phone

(812) 270-1529

NPI assigned

Jul 19, 2024

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

Other names 1

• Ellen Elizabeth Denning Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1721347200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1093553356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2051 3RD ST APT 210",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941073822",
            "telephone_number": "812-270-1529"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 16TH ST FL 4",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432549",
            "telephone_number": "812-270-1529"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSON",
        "first_name": "ELLEN",
        "middle_name": "ELIZABETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-07-19",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ELLEN",
            "last_name": "DENNING",
            "middle_name": "ELIZABETH",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Sandra Kay Larsen
• Sawyer Grace Larsen
• Anne-Marie Larson, NP
• Bria Heidi Larson, L.AC.
• Daniela Larson
• Eva Larson, LAC
• Jamie Nicole Larson
• Jessica B Larson, P.T.
• Lorry James Larson, MD
• Merlin D Larson, MD

• Student in an Organized Health Care Education/Training Program in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.