Organization Active NPI

Witness and Validate PLLC

  • Mental Health Counselor
  • Chicago, IL
National Provider Identifier
1558227124
Registry record updated Jan 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Legal business name
WITNESS AND VALIDATE PLLC
Doing business as
Witness and Validate Therapy
Practice address
3166 N Lincoln Ave Ste 408
Chicago, IL 60657-3174
Phone
(847) 877-7970
NPI assigned
Dec 29, 2025
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 2, 2026

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

Authorized official

Name
Emily A Petroschuk, LCPCNPI 1891355830
Title
Owner/ Pyschotherapist
Phone
(773) 837-4488

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health CounselorGroup: 193200000X MULTI-SPECIALTY GROUP 101YM0800X Primary

Addresses

Primary practice location

3166 N Lincoln Ave Ste 408
Chicago, IL 60657-3174

Mailing address

3166 N Lincoln Ave Ste 408
Chicago, IL 60657-3174
Phone (847) 877-7970

Other names 1

  • Witness and Validate Therapy Doing business as

National Provider Directory

National Provider Directory

Locations

3166 N Lincoln Ave
Ste 408
Chicago, IL 60657
Phone (847) 687-0108

Practitioners & affiliated clinicians

Practitioners 1

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

NPI Registry JSON

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

{
    "created_epoch": "1766966400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767312000000",
    "number": "1558227124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3166 N LINCOLN AVE STE 408",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606573174",
            "telephone_number": "847-877-7970"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3166 N LINCOLN AVE STE 408",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606573174",
            "telephone_number": "847-877-7970"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WITNESS AND VALIDATE PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-29",
        "last_updated": "2026-01-02",
        "certification_date": "2026-01-02",
        "status": "A",
        "authorized_official_last_name": "PETROSCHUK",
        "authorized_official_first_name": "EMILY",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "OWNER/ PYSCHOTHERAPIST",
        "authorized_official_telephone_number": "773-837-4488",
        "authorized_official_credential": "LCPC"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Witness and Validate Therapy",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 2, 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.