Individual provider Active NPI

Margaret Yonker

  • Clinical Social Worker
  • Grand Rapids, MI
National Provider Identifier
1790492353
Registry record updated Jul 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
6851121942 Issued in MI
Practice address
4270 Plainfield Ave NE
Grand Rapids, MI 49525-1603
Phone
(616) 801-6050
NPI assigned
Nov 3, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 6851121942 MI Primary

Addresses

Primary practice location

4270 Plainfield Ave NE
Grand Rapids, MI 49525-1603

Mailing address

1323 Maplerow Ave NW
Grand Rapids, MI 49534-2267
Phone (616) 801-6050

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

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Community Services CurrentSince Nov 6, 2022 Accepting new patients
Spectrum Community Services CurrentSince Feb 25, 2024 Accepting new patients
Holistic Harmony Counseling, PLLC PastSince Nov 9, 2025 Accepting new patients

Locations

1111 40th St SE
Wyoming, MI 49508
Phone (616) 516-7131

Organizations & group practices 3

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": "1667433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785369600000",
    "number": "1790492353",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1323 MAPLEROW AVE NW",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495342267",
            "telephone_number": "616-801-6050"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4270 PLAINFIELD AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495251603",
            "telephone_number": "616-801-6050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YONKER",
        "first_name": "MARGARET",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-11-03",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MI",
            "license": "6851121942",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.