Individual provider Active NPI

April Lynn Diaz, ADDICTION COUNSELOR

  • Counselor
  • Richland, WA
National Provider Identifier
1285548750
Registry record updated Sep 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
CounselorTaxonomy code 101Y00000X
Practice address
1305 Mansfield St Ste 6
Richland, WA 99352-3588
Phone
(509) 942-1624
NPI assigned
Sep 30, 2026
Last updated
Sep 30, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Counselor 101Y00000X NU Primary

Addresses

Primary practice location

1305 Mansfield St Ste 6
Richland, WA 99352-3588

Mailing address

1305 Mansfield St Ste 6
Richland, WA 99352-3588
Phone (509) 942-1624

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1790726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790726400000",
    "number": "1285548750",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1305 MANSFIELD ST STE 6",
            "city": "RICHLAND",
            "state": "WA",
            "postal_code": "993523588",
            "telephone_number": "509-942-1624"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1305 MANSFIELD ST STE 6",
            "city": "RICHLAND",
            "state": "WA",
            "postal_code": "993523588",
            "telephone_number": "509-942-1624"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ",
        "first_name": "APRIL",
        "middle_name": "LYNN",
        "credential": "ADDICTION COUNSELOR",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-30",
        "last_updated": "2026-09-30",
        "certification_date": "2026-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Richland, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.