Individual provider Active NPI

Gillian Taylor Pietrick

  • Developmental Therapist
  • Arlington Heights, IL
National Provider Identifier
1164337291
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Developmental TherapistTaxonomy code 222Q00000X
Practice address
1107 S Fernandez Ave
Arlington Heights, IL 60005-3038
Phone
(847) 278-1851
NPI assigned
Aug 14, 2026
Sex
Unspecified or another gender identity
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Developmental Therapist 222Q00000X IL Primary

Addresses

Primary practice location

1107 S Fernandez Ave
Arlington Heights, IL 60005-3038

Mailing address

1107 S Fernandez Ave
Arlington Heights, IL 60005-3038

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1786665600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786665600000",
    "number": "1164337291",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1107 S FERNANDEZ AVE",
            "city": "ARLINGTON HEIGHTS",
            "state": "IL",
            "postal_code": "600053038"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1107 S FERNANDEZ AVE",
            "city": "ARLINGTON HEIGHTS",
            "state": "IL",
            "postal_code": "600053038",
            "telephone_number": "847-278-1851"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PIETRICK",
        "first_name": "GILLIAN",
        "middle_name": "TAYLOR",
        "sole_proprietor": "NO",
        "sex": "X",
        "enumeration_date": "2026-08-14",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "222Q00000X",
            "taxonomy_group": "",
            "desc": "Developmental Therapist",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Arlington Heights, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 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.