Individual provider Active NPI

Therese Ellen Mayer, RC, CDP

  • Addiction (Substance Use Disorder) Counselor
  • Seattle, WA
National Provider Identifier
1972708469
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
CP00004988 Issued in WA
Practice address
400 Yesler Way
Sound Mental Health
Seattle, WA 98104-2628
Phone
(206) 296-1296
Fax
(206) 205-6325
NPI assigned
Jun 15, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 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 CP00004988 WA Primary
Professional Counselor 101YP2500X RC00034975 WA

Addresses

Primary practice location

400 Yesler Way
Sound Mental Health
Seattle, WA 98104-2628

Mailing address

1600 E Olive St
Sound Mental Health
Seattle, WA 98122-2735
Phone (206) 302-2200

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
CP00004988WAMDAddiction (Substance Use Disorder) Counselor
RC00034975WAMDProfessional Counselor

NPI Registry JSON

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

{
    "created_epoch": "1181865600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1972708469",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 E OLIVE ST",
            "address_2": "SOUND MENTAL HEALTH",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981222735",
            "telephone_number": "206-302-2200",
            "fax_number": "206-302-2210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 YESLER WAY",
            "address_2": "SOUND MENTAL HEALTH",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981042628",
            "telephone_number": "206-296-1296",
            "fax_number": "206-205-6325"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "THERESE",
        "middle_name": "ELLEN",
        "name_prefix": "Ms.",
        "credential": "RC, CDP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-15",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WA",
            "license": "CP00004988",
            "primary": true
        },
        {
            "code": "101YP2500X",
            "taxonomy_group": "",
            "desc": "Counselor, Professional",
            "state": "WA",
            "license": "RC00034975",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Seattle, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.