Melissa Helgeson PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

MELISSA HELGESON PLLC

Practice address

166 Monticello Dr
Longview, WA 98632-9543

Phone

(208) 360-0299

NPI assigned

Dec 26, 2025

Organization subpart

No

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

Authorized official

Name

Melissa Helgeson, APRNNPI 1093364242

Title

Psychiatric Nurse Practitioner

Phone

(208) 360-0299

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.

• Melissa A Helgeson, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Yakima, WA
  • NPI 1093364242

  Psychiatric/Mental Health

  NPD Authorized official

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

{
    "created_epoch": "1766707200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766707200000",
    "number": "1508722265",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "166 MONTICELLO DR",
            "city": "LONGVIEW",
            "state": "WA",
            "postal_code": "986329543",
            "telephone_number": "208-360-0299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "166 MONTICELLO DR",
            "city": "LONGVIEW",
            "state": "WA",
            "postal_code": "986329543",
            "telephone_number": "208-360-0299"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MELISSA HELGESON PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-26",
        "last_updated": "2025-12-26",
        "certification_date": "2025-12-26",
        "status": "A",
        "authorized_official_last_name": "HELGESON",
        "authorized_official_first_name": "MELISSA",
        "authorized_official_title_or_position": "PSYCHIATRIC NURSE PRACTITIONER",
        "authorized_official_telephone_number": "208-360-0299",
        "authorized_official_credential": "APRN"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Crystallene Celestial Medlin, LMT
• Suzanne Megenity, DDS
• Stephen Scott Meharg, PH.D.
• Susan L. Mejo, ARNP
• Gerardo R Melgar, MD
• Ian Mendenhall
• Grace Mendez, BA, AAC
• Kristen Mendez, LICSW
• John Paul Liwanag Mendoza, OTD, OTR/L
• Kelly Sinclair Mendoza, MS, PHARMD, BCPS

• Psychiatric/Mental Health Nurse Practitioner in Longview, WA
• Providers in Longview, 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 Dec 26, 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.