Individual provider Active NPI

Brayden Karsten

  • Social Worker
  • Grand Rapids, MI
National Provider Identifier
1518770221
Registry record updated Jul 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
License
6851122539 Issued in MI
Practice address
790 Fuller Ave NE
Grand Rapids, MI 49503-1918
Phone
(616) 336-3909
NPI assigned
Jan 28, 2025
Last updated
Jul 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X 6851122539 MI Primary
Case Manager/Care Coordinator 171M00000X NU

Addresses

Primary practice location

790 Fuller Ave NE
Grand Rapids, MI 49503-1918

Mailing address

790 Fuller Ave NE
Grand Rapids, MI 49503-1918
Phone (616) 336-3909

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

NPI Registry JSON

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

{
    "created_epoch": "1738022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1518770221",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "790 FULLER AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495031918",
            "telephone_number": "616-336-3909",
            "fax_number": "616-336-8830"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "790 FULLER AVE NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495031918",
            "telephone_number": "616-336-3909"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARSTEN",
        "first_name": "BRAYDEN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-01-28",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "MI",
            "license": "6851122539",
            "primary": true
        },
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "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 7, 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.