Heidi Joy Laura Theisen, BA

Primary specialty

CounselorTaxonomy code 101Y00000X

Practice address

4526 Federal Ave
Everett, WA 98203-2132

Phone

(425) 349-6200

NPI assigned

Feb 28, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Bachelor of Arts

Practice roles

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

• Lake Whatcom Residential & Treatment Center

  • Community/Behavioral Health Agency
  • Bellingham, WA
  • NPI 1043281736
  NPD (past)
• Lake Whatcom Residential & Treatment Center

  • Case Management Agency
  • Bellingham, WA
  • NPI 1780991844
  NPD (past)

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

{
    "created_epoch": "1141084800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1013983980",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5610 S PASS RD",
            "city": "SUMAS",
            "state": "WA",
            "postal_code": "98295",
            "telephone_number": "360-988-0317"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4526 FEDERAL AVE",
            "city": "EVERETT",
            "state": "WA",
            "postal_code": "982032132",
            "telephone_number": "425-349-6200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THEISEN",
        "first_name": "HEIDI",
        "middle_name": "JOY LAURA",
        "name_prefix": "Mrs.",
        "credential": "BA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-02-28",
        "last_updated": "2026-07-13",
        "certification_date": "2025-12-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "WA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• The Behavior Business LLC
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• The Massage Clinic, Inc.
• The Terrace at Beverly Lake MC GR, LLC
• Jodi Ann Thelen, LMHC
• Theodore Mausshardt Inc
• Therageek Counseling Services
• Therapeutic Alliances PLLC
• Therapeutic Health Services

• Counselor in Everett, WA
• Providers in Everett, WA by specialty
• Counselor in Washington

• 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.