Individual provider Active NPI

Alexander William Tennison

  • Mental Health Counselor
  • Federal Way, WA
National Provider Identifier
1073495776
Registry record updated Jul 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Practice address
3430 SW 320TH St
Federal Way, WA 98023-2292
Phone
(253) 289-6099
NPI assigned
Jul 23, 2025
Last updated
Jul 23, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X Primary

Addresses

Primary practice location

3430 SW 320TH St
Federal Way, WA 98023-2292

Mailing address

401 S 35TH St
Tacoma, WA 98418-6823
Phone (719) 217-6440

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

Practice roles

OrganizationSpecialtyStatusNew patients
Twin Lakes Counseling, PLLC Mental Health CurrentSince Jul 28, 2025 Accepting new patients

Locations

3430 SW 320th St
Federal Way, WA 98023
Phone (253) 289-6099

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1753228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1073495776",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "401 S 35TH ST",
            "city": "TACOMA",
            "state": "WA",
            "postal_code": "984186823",
            "telephone_number": "719-217-6440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3430 SW 320TH ST",
            "city": "FEDERAL WAY",
            "state": "WA",
            "postal_code": "980232292",
            "telephone_number": "253-289-6099"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TENNISON",
        "first_name": "ALEXANDER",
        "middle_name": "WILLIAM",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-07-23",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Federal Way, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.