Peace of Mind Psychological Services Inc

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

Legal business name

PEACE OF MIND PSYCHOLOGICAL SERVICES INC

Practice address

4320 Winfield Rd Ste 200
Warrenville, IL 60555-4023

Phone

(630) 465-9030

Fax

(630) 686-5445

NPI assigned

Aug 27, 2020

Organization subpart

No

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

Authorized official

Name

Olesia Shalayska, PSYDNPI 1558816371

Title

Owner

Phone

(630) 686-8875

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Olesia Shalayska

  • Clinical Psychologist
  • Warrenville, IL
  • NPI 1558816371
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1598486400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776211200000",
    "number": "1427661685",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4320 WINFIELD RD STE 200",
            "city": "WARRENVILLE",
            "state": "IL",
            "postal_code": "605554023",
            "telephone_number": "630-465-9030",
            "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": "630-465-9030",
            "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": {
        "organization_name": "PEACE OF MIND PSYCHOLOGICAL SERVICES INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-08-27",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A",
        "authorized_official_last_name": "SHALAYSKA",
        "authorized_official_first_name": "OLESIA",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "630-686-8875",
        "authorized_official_credential": "PSYD"
    },
    "taxonomies": [
        {
            "code": "103TB0200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Cognitive & Behavioral",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "103TC1900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Counseling",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Family",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TP2701X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Group Psychotherapy",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gay L Patton
• James Stockton Patton, APRN, FNP-BC, NP-C
• Thomas Murray Patton
• Kristin Paver
• William Thomas Payne V, M.D.
• Dawn Denise Peace, PTA
• Sheldon Ray Pearson
• Cassandra Perez, LPC
• Mark Perez, DPT
• Valerie Perona, APRN

• 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 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.