Individual provider Active NPI

Cassie Cummings, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1548955370
Registry record updated Jun 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
PTL13268 Issued in CA
Practice address
3910 Sacramento St
San Francisco, CA 94118-1639
Phone
(484) 557-7277
NPI assigned
Apr 7, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X PTL13268 CA Primary

Addresses

Primary practice location

3910 Sacramento St
San Francisco, CA 94118-1639

Mailing address

3910 Sacramento St
San Francisco, CA 94118-1639
Phone (484) 557-7277

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

NPI Registry JSON

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

{
    "created_epoch": "1680825600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782432000000",
    "number": "1548955370",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3910 SACRAMENTO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941181639",
            "telephone_number": "484-557-7277"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3910 SACRAMENTO ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941181639",
            "telephone_number": "484-557-7277"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CUMMINGS",
        "first_name": "CASSIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-04-07",
        "last_updated": "2026-06-26",
        "certification_date": "2026-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "PTL13268",
            "primary": true
        }
    ],
    "identifiers": [],
    "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 Jun 26, 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.