Letitia Marie Kowalski, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

149.028896 Issued in IL

Practice address

27475 Ferry Rd
Warrenville, IL 60555-3808

Phone

(630) 699-7254

NPI assigned

Oct 28, 2024

Last updated

Apr 17, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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

• Bautz Developmental Intervention Inc

  • Physical Therapist
  • Orland Park, IL
  • NPI 1376530055
  NPD (past)

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

{
    "created_epoch": "1730073600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1346062635",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1196 PARKSIDE DR",
            "city": "SUGAR GROVE",
            "state": "IL",
            "postal_code": "605545100",
            "telephone_number": "217-972-9721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27475 FERRY RD",
            "city": "WARRENVILLE",
            "state": "IL",
            "postal_code": "605553808",
            "telephone_number": "630-699-7254"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOWALSKI",
        "first_name": "LETITIA",
        "middle_name": "MARIE",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-10-28",
        "last_updated": "2025-04-17",
        "certification_date": "2025-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "IL",
            "license": "150.114811",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149.028896",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah Knobbe, FNP-BC
• Adeyemi Kobari
• Jerome L Kolavo, MD
• Alexa Konieczny, LPC
• Madison Kopjo, LAT, ATC, OTC
• Anja Kathleen Kremer, BCBA
• Sandra Krummenacher, LCPC
• Krystle Harte, LLC
• Robert Kulkarni, M.D.
• Christopher N Kwong, PA

• Clinical Social Worker in Warrenville, IL
• Providers in Warrenville, IL by specialty
• Clinical Social Worker in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.