Katarzyna Slys, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

085.007231 Issued in IL

Practice address

230 Martin Ave
Naperville, IL 60540-6536

Phone

(630) 848-1200

Fax

(630) 848-1208

NPI assigned

Jul 14, 2020

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Prizm Behavioral Services, PCGroup PAC ID 8729147806, 4 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

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 and National Provider Directory roles.

• Prizm Behavioral Services, PC

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Naperville, IL
  • NPI 1306007778
  Medicare reassignment Care Compare group NPD (past)
• Lifeskills Counseling Services, LLC

  • Adult Mental Health Clinic/Center
  • Naperville, IL
  • NPI 1053861989
  NPD (past)

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

{
    "created_epoch": "1594684800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1336757459",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "230 MARTIN AVE",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605406536"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "230 MARTIN AVE",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605406536",
            "telephone_number": "630-848-1200",
            "fax_number": "630-848-1208"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SLYS",
        "first_name": "KATARZYNA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-07-14",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.007231",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tiffany Sleezer
• Tyler Slevin
• Charlene M Slezak, PSY.D
• Elizabeth Ann Sloan, MSW
• Erin Slusher, LCSW
• Small Talk, LTD.
• Smart Edg, Inc.
• Antonina Smatauskas, FNP-BC
• Rebecca Kathryn Smeraglinolo, M.D.
• Jennie Smith-Pariola, PHD, APRN, FNP-BC

• Physician Assistant in Naperville, IL
• Providers in Naperville, IL by specialty
• Physician Assistant in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.