Olesia Shalayska

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

20042972A Issued in IN

Practice address

4320 Winfield Rd Ste 200
Warrenville, IL 60555-4023

Phone

(630) 686-8875

Fax

(630) 686-5445

NPI assigned

Aug 22, 2016

Last updated

Apr 7, 2026By 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Michael Pica PCGroup PAC ID 1254665847, 3 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Michael Pica P.C.

  • Psychologist
  • St Charles, IL
  • NPI 1730449315
  Medicare reassignment Care Compare group NPD
• Peace of Mind Psychological Services Inc

  • Clinical Psychologist
  • Warrenville, IL
  • NPI 1427661685
  Medicare reassignment NPD Authorized official
• Behavioral Healthcare Providers LTD

  • Multi-Specialty Clinic/Center
  • Schaumburg, IL
  • NPI 1043781958
  Medicare reassignment

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

{
    "created_epoch": "1471824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1558816371",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21W043 KENSINGTON RD",
            "city": "LOMBARD",
            "state": "IL",
            "postal_code": "601485116",
            "telephone_number": "630-536-9444",
            "fax_number": "630-686-5445"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4320 WINFIELD RD STE 200",
            "city": "WARRENVILLE",
            "state": "IL",
            "postal_code": "605554023",
            "telephone_number": "630-686-8875",
            "fax_number": "630-686-5445"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7110 W 127th St Ste 150",
            "address_purpose": "LOCATION",
            "city": "Palos Heights",
            "state": "IL",
            "postal_code": "604631579",
            "country_code": "US",
            "telephone_number": "630-686-8875",
            "fax_number": "630-686-5445",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SHALAYSKA",
        "first_name": "OLESIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-08-22",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "IN",
            "license": "20042972A",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jazmin Senoussi, LCSW
• Serendipity Counseling Services, PLLC
• Karl Andrew V Severino
• Hanit U Shah
• Safeya Shah, OT
• Lauren Elizabeth Sheehy, AGCNS
• Jaclyn Sheldon
• Olushola Shobowale, PMHNP
• Jeremy Shoup
• John F Showalter, MD

• Clinical Psychologist in Warrenville, IL
• Providers in Warrenville, IL by specialty
• Clinical Psychologist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 7, 2026; 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.