Individual provider Active NPI

Courtney Stack

  • Mental Health Counselor
  • San Francisco, CA
National Provider Identifier
1245086511
Registry record updated Oct 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
20902 Issued in CA
Practice address
15 Corwin St Apt a
San Francisco, CA 94114-2394
Phone
(774) 420-9848
NPI assigned
Apr 27, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X
Mental Health Counselor 101YM0800X 20902 CA Primary

Addresses

Primary practice location

15 Corwin St Apt a
San Francisco, CA 94114-2394

Mailing address

15 Corwin St Apt a
San Francisco, CA 94114-2394

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
20902CAMDOrthodontics and Dentofacial Orthopedic Dentist

NPI Registry JSON

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

{
    "created_epoch": "1714176000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1245086511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 CORWIN ST APT A",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941142394"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15 CORWIN ST APT A",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941142394",
            "telephone_number": "774-420-9848"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STACK",
        "first_name": "COURTNEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-04-27",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "20902",
            "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 Oct 22, 2025; 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.