Individual provider Active NPI

John Michael Ellis, L.AC.

  • Acupuncturist
  • San Francisco, CA
National Provider Identifier
1881661825
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
AcupuncturistTaxonomy code 171100000X
License
AC 9557 Issued in CA
Practice address
290 Division St
Suite 400
San Francisco, CA 94103-4882
Phone
(415) 431-7600
Fax
(415) 431-7608
NPI assigned
Mar 8, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acupuncturist 171100000X AC 9557 CA Primary

Addresses

Primary practice location

290 Division St
Suite 400
San Francisco, CA 94103-4882

Mailing address

290 Division St
Suite 400
San Francisco, CA 94103-4882
Phone (415) 431-7600

Other identifiers 1

IdentifierTypeStateIssuer
11458741OtherCACAQH

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

State licenses

LicenseStateTypeSpecialty
AC 9557CAMDAcupuncturist

NPI Registry JSON

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

{
    "created_epoch": "1141776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1881661825",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "290 DIVISION ST",
            "address_2": "SUITE 400",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941034882",
            "telephone_number": "415-431-7600",
            "fax_number": "415-431-7608"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "290 DIVISION ST",
            "address_2": "SUITE 400",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941034882",
            "telephone_number": "415-431-7600",
            "fax_number": "415-431-7608"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ELLIS",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "name_prefix": "Mr.",
        "credential": "L.AC.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-08",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171100000X",
            "taxonomy_group": "",
            "desc": "Acupuncturist",
            "state": "CA",
            "license": "AC 9557",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAQH",
            "identifier": "11458741",
            "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 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.