Stephen W Hansen, DMD

Primary specialty

EndodonticsTaxonomy code 1223E0200X

License

DE60144673 Issued in WA

Practice address

1363 Columbia Park TRL Ste 201
Richland, WA 99352-4770

Phone

(509) 735-9735

NPI assigned

Oct 15, 2007

Last updated

Apr 1, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Locations

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.

• Hansen Hawkins and Wuerch PLLC

  • Endodontics
  • Walla Walla, WA
  • NPI 1942141361
  NPD Authorized official
• Hansen DMD and Hawkins DMD PLLC

  • Endodontics
  • Walla Walla, WA
  • NPI 1902747330
  Authorized official Same address or phone
• Hansen DMD and Hawkins DMD PLLC

  dba Advanced Endocare

  • Endodontics
  • Richland, WA
  • NPI 1962363630
  Authorized official Same address or phone
• Hansen Hawkins and Wuerch PLLC

  dba Advanced Endodontic Care

  • Endodontics
  • Richland, WA
  • NPI 1154047025
  NPD
• Endodontics of Southeastern Wa, PLLC

  dba Advanced Endodontic Care, LLC

  • Endodontics
  • Kennewick, WA
  • NPI 1437313616
  NPD (past)

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

{
    "created_epoch": "1192406400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1225226343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3561 REGENT ST",
            "city": "RICHLAND",
            "state": "WA",
            "postal_code": "993528662",
            "telephone_number": "509-440-1238"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1363 COLUMBIA PARK TRL STE 201",
            "city": "RICHLAND",
            "state": "WA",
            "postal_code": "993524770",
            "telephone_number": "509-735-9735"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HANSEN",
        "first_name": "STEPHEN",
        "middle_name": "W",
        "name_prefix": "Dr.",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-10-15",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "OR",
            "license": "D9072",
            "primary": false
        },
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "WA",
            "license": "DE60144673",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hansen DMD and Hawkins DMD PLLC (Advanced Endocare)
• Hansen Hawkins and Wuerch PLLC (Advanced Endodontic Care)
• Andrew Drury Hansen, PA - C
• Hannah Noel Hansen, MS
• Laura Stjern Hansen, L.M.P. L.A.M.P.
• Susanna Hansen, L.M.P.
• Michelle Anne Hanson, LMHC
• Sirri June Hanson, PH.D.
• Abigail Rose Harder
• Dallon Hare

• Endodontics in Richland, WA
• Providers in Richland, WA by specialty
• Endodontics in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 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.