Stephen George Clausen, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

CH34230 Issued in WA

Practice address

9015 Holman Rd NW
Suite 1
Seattle, WA 98117-3481

Phone

(206) 784-7400

Fax

(206) 784-7401

NPI assigned

Jul 28, 2005

Sex

Male

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)

Enrolled

State licenses

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.

• Premier Chiropractic No. 9 PLLC

  • Clinic/Center
  • Seattle, WA
  • NPI 1376721357
  NPD (past)

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

{
    "created_epoch": "1122508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1629078894",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9015 HOLMAN RD NW",
            "address_2": "SUITE 1",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981173481",
            "telephone_number": "206-784-7400",
            "fax_number": "206-784-7401"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9015 HOLMAN RD NW",
            "address_2": "SUITE 1",
            "city": "SEATTLE",
            "state": "WA",
            "postal_code": "981173481",
            "telephone_number": "206-784-7400",
            "fax_number": "206-784-7401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CLAUSEN",
        "first_name": "STEPHEN",
        "middle_name": "GEORGE",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-28",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "WA",
            "license": "CH34230",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Peter Cunningham Clasen, PH.D.
• Claudelle R Glasgow, PSYD, PLLC
• Claudette Cummings PHD, PS
• Brittney Janelle Claus, RD, CD
• Clausen Chiropractic Services, PS
• Mary Kay Clausnitzer
• Sarah Clauson
• Daniel Clauss
• Randal Carl Claussen, RN
• Jeztine Clavecillas, BSN, RN

• Chiropractor in Seattle, WA
• Providers in Seattle, WA by specialty
• Chiropractor 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.