Individual provider Active NPI

Davon J Mayer, MSW APSW

  • Clinical Social Worker
  • Green Bay, WI
National Provider Identifier
1902769508
Registry record updated Dec 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
135544 Issued in WI
Practice address
300 Crooks St
Green Bay, WI 54301-4527
Phone
(920) 436-6800
Fax
(920) 437-3540
NPI assigned
Dec 9, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 9, 2025

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 135544 WI Primary

Addresses

Primary practice location

300 Crooks St
Green Bay, WI 54301-4527

Mailing address

PO Box 22308
Green Bay, WI 54305-2308
Phone (920) 436-4366

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
135544WIMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Family Services of Northeast Wisconsin Inc PastSince Dec 14, 2025 Accepting new patients
Family Services of Northeast Wisconsin Inc PastSince Dec 14, 2025 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": "1765238400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1902769508",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 22308",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543052308",
            "telephone_number": "920-436-4366",
            "fax_number": "920-437-3540"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 CROOKS ST",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "543014527",
            "telephone_number": "920-436-6800",
            "fax_number": "920-437-3540"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAYER",
        "first_name": "DAVON",
        "middle_name": "J",
        "credential": "MSW APSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-12-09",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "WI",
            "license": "135544",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 9, 2025; 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.