Will Koenig, Pmhnp PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

WILL KOENIG, PMHNP PLLC

Practice address

187A Tucker Rd
Ethel, WA 98542-9704

Phone

(360) 827-5362

Fax

(360) 978-5925

NPI assigned

Sep 8, 2026

Last updated

Sep 8, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

William S Koenig, ARNPNPI 1548194640

Title

Pmhnp

Phone

(360) 827-5362

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• William Scott Koenig, APRN

  • Psychiatric/Mental Health Nurse Practitioner
  • Ethel, WA
  • NPI 1548194640
  NPD (past) Authorized official

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

{
    "created_epoch": "1788825600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788825600000",
    "number": "1467362160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 753",
            "city": "TOLEDO",
            "state": "WA",
            "postal_code": "985910753",
            "telephone_number": "360-827-5362",
            "fax_number": "360-978-5925"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "187A TUCKER RD",
            "city": "ETHEL",
            "state": "WA",
            "postal_code": "985429704",
            "telephone_number": "360-827-5362",
            "fax_number": "360-978-5925"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WILL KOENIG, PMHNP PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-08",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A",
        "authorized_official_last_name": "KOENIG",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "PMHNP",
        "authorized_official_telephone_number": "360-827-5362",
        "authorized_official_credential": "ARNP"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Brown, LPN
• William Scott Koenig, APRN
• Lydia McAllister
• Theraheard LLC

• Psychiatric/Mental Health Nurse Practitioner in Ethel, WA
• Providers in Ethel, WA by specialty
• Psychiatric/Mental Health Nurse Practitioner in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 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.