Individual provider Active NPI

Gianna Terese Lowther

  • Mental Health Counselor
  • Naperville, IL
National Provider Identifier
1578469839
Registry record updated Oct 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
178.023111 Issued in IL
Practice address
1750 N Washington St Ste 120
Naperville, IL 60563-1335
Phone
(630) 315-0021
NPI assigned
Oct 14, 2026
Last updated
Oct 14, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 178.023111 IL Primary

Addresses

Primary practice location

1750 N Washington St Ste 120
Naperville, IL 60563-1335

Mailing address

2429 Golf Ridge Cir
Naperville, IL 60563-1693
Phone (815) 409-8223

Other names 1

  • Gianna Terese Jerger Former name

Medicare participation

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

NPI Registry JSON

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

{
    "created_epoch": "1791936000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791936000000",
    "number": "1578469839",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2429 GOLF RIDGE CIR",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605631693",
            "telephone_number": "815-409-8223",
            "fax_number": "815-409-8223"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1750 N WASHINGTON ST STE 120",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605631335",
            "telephone_number": "630-315-0021"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOWTHER",
        "first_name": "GIANNA",
        "middle_name": "TERESE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-10-14",
        "last_updated": "2026-10-14",
        "certification_date": "2026-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "IL",
            "license": "178.023111",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "GIANNA",
            "last_name": "JERGER",
            "middle_name": "TERESE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Naperville, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.