Individual provider Active NPI

Derek S Schaefer, CO70107286

  • Addiction (Substance Use Disorder) Counselor
  • Ridgefield, WA
National Provider Identifier
1962358218
Registry record updated Mar 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
CO70107286 Issued in WA
Practice address
21810 NE 37TH Ave
Ridgefield, WA 98642-7747
Phone
(844) 777-9242
Fax
(360) 397-7477
NPI assigned
Mar 9, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X CO70107286 WA Primary

Addresses

Primary practice location

21810 NE 37TH Ave
Ridgefield, WA 98642-7747

Mailing address

PO Box 1299
Battle Ground, WA 98604-1299
Phone (844) 777-9242

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
CO70107286WAMDAddiction (Substance Use Disorder) Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Xchange Behavioral Health Agency PastSince Jun 12, 2022 Accepting new patients
X Change Recovery Addiction (Substance Use Disorder) PastSince Jul 5, 2020 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1773014400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1962358218",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1299",
            "city": "BATTLE GROUND",
            "state": "WA",
            "postal_code": "986041299",
            "telephone_number": "844-777-9242",
            "fax_number": "360-397-7477"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21810 NE 37TH AVE",
            "city": "RIDGEFIELD",
            "state": "WA",
            "postal_code": "986427747",
            "telephone_number": "844-777-9242",
            "fax_number": "360-397-7477"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SCHAEFER",
        "first_name": "DEREK",
        "middle_name": "S",
        "credential": "CO70107286",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-03-09",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "WA",
            "license": "CO70107286",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ridgefield, WA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 9, 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.