Individual provider Active NPI

Melinda Darlene Mathews, CRM

  • Addiction (Substance Use Disorder) Counselor
  • Grand Ronde, OR
National Provider Identifier
1871442822
Registry record updated Jan 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
T-25-5134 Issued in OR
Practice address
9605 Grand Ronde Rd
Grand Ronde, OR 97347-9712
Phone
(503) 879-2026
Fax
(503) 879-2071
NPI assigned
Jan 23, 2026
Last updated
Jan 23, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 23, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Peer Specialist 175T00000X 25-CRM-4924 OR
Peer Specialist 175T00000X 115785 OR
Addiction (Substance Use Disorder) Counselor 101YA0400X T-25-5134 OR Primary

Addresses

Primary practice location

9605 Grand Ronde Rd
Grand Ronde, OR 97347-9712

Mailing address

9605 Grand Ronde Rd
Grand Ronde, OR 97347-9712
Phone (503) 879-2026

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
T-25-5134ORMDAddiction (Substance Use Disorder) Counselor
115785ORMDPeer Specialist
25-CRM-4924ORMDPeer Specialist

NPI Registry JSON

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

{
    "created_epoch": "1769126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1871442822",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9605 GRAND RONDE RD",
            "city": "GRAND RONDE",
            "state": "OR",
            "postal_code": "973479712",
            "telephone_number": "503-879-2026",
            "fax_number": "503-879-2071"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9605 GRAND RONDE RD",
            "city": "GRAND RONDE",
            "state": "OR",
            "postal_code": "973479712",
            "telephone_number": "503-879-2026",
            "fax_number": "503-879-2071"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MATHEWS",
        "first_name": "MELINDA",
        "middle_name": "DARLENE",
        "credential": "CRM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-01-23",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "175T00000X",
            "taxonomy_group": "",
            "desc": "Peer Specialist",
            "state": "OR",
            "license": "25-CRM-4924",
            "primary": false
        },
        {
            "code": "175T00000X",
            "taxonomy_group": "",
            "desc": "Peer Specialist",
            "state": "OR",
            "license": "115785",
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "OR",
            "license": "T-25-5134",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Ronde, OR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.