Individual provider Active NPI

Susan L. Mejo, ARNP

  • Psychologist
  • Longview, WA
National Provider Identifier
1831265982
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PY00001808 Issued in WA
Practice address
600 Broadway St
Longview, WA 98632-3256
Phone
(360) 414-2236
Fax
(360) 414-2024
NPI assigned
Nov 28, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PY00001808 WA Primary
Registered Nurse 163W00000X RN00035482 WA
Child & Adolescent Psychiatric/Mental Health Registered Nurse 163WP0807X RN00035482 WA
Psychiatric/Mental Health Nurse Practitioner 363LP0808X AP30000920 WA

Addresses

Primary practice location

600 Broadway St
Longview, WA 98632-3256

Mailing address

PO Box 3002
Longview, WA 98632-0302
Phone (360) 414-2048

Other identifiers 4

IdentifierTypeStateIssuer
8929455OtherWACRIME VICTIMS
0144976OtherWALABOR & IND.
292799MedicaidOR
9614116MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PY00001808WAMDPsychologist

NPI Registry JSON

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

{
    "created_epoch": "1164672000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1831265982",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3002",
            "city": "LONGVIEW",
            "state": "WA",
            "postal_code": "986320302",
            "telephone_number": "360-414-2048",
            "fax_number": "360-575-6749"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 BROADWAY ST",
            "city": "LONGVIEW",
            "state": "WA",
            "postal_code": "986323256",
            "telephone_number": "360-414-2236",
            "fax_number": "360-414-2024"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MEJO",
        "first_name": "SUSAN",
        "middle_name": "L.",
        "credential": "ARNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-28",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "WA",
            "license": "PY00001808",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WA",
            "license": "RN00035482",
            "primary": false
        },
        {
            "code": "163WP0807X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Psychiatric/Mental Health, Child & Adolescent",
            "state": "WA",
            "license": "RN00035482",
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "WA",
            "license": "AP30000920",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CRIME VICTIMS",
            "identifier": "8929455",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LABOR & IND.",
            "identifier": "0144976",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "292799",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9614116",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Longview, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.