Individual provider Active NPI

Michael Andrew Wasilewski, LCSW

  • Clinical Social Worker
  • Plainfield, IL
National Provider Identifier
1972031508
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
149020351 Issued in IL
Practice address
15724 S Route 59 Ste 102
Plainfield, IL 60544-2806
Phone
(630) 527-8877
Fax
(630) 527-8877
NPI assigned
May 26, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 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 149020351 IL Primary

Addresses

Primary practice location

15724 S Route 59 Ste 102
Plainfield, IL 60544-2806

Mailing address

15724 S Route 59 Ste 102
Plainfield, IL 60544-2806
Phone (630) 244-1751

Other practice location 1

2677 US Highway 34 Ste C
Oswego, IL 60543-8660
Phone (630) 527-8877

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
149020351ILMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Althea R Olson PC Clinical PastSince Dec 1, 2022 Accepting new patients

Organizations & group practices 1

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": "1495756800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1972031508",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15724 S ROUTE 59 STE 102",
            "city": "PLAINFIELD",
            "state": "IL",
            "postal_code": "605442806",
            "telephone_number": "630-244-1751",
            "fax_number": "630-527-8877"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15724 S ROUTE 59 STE 102",
            "city": "PLAINFIELD",
            "state": "IL",
            "postal_code": "605442806",
            "telephone_number": "630-527-8877",
            "fax_number": "630-527-8877"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2677 US Highway 34 Ste C",
            "address_purpose": "LOCATION",
            "city": "Oswego",
            "state": "IL",
            "postal_code": "605438660",
            "country_code": "US",
            "telephone_number": "630-527-8877",
            "fax_number": "630-527-8877",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WASILEWSKI",
        "first_name": "MICHAEL",
        "middle_name": "ANDREW",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-26",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149020351",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Plainfield, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.