Active NPI
Alexis Thiesse, FNP-BC
- Family Nurse Practitioner
- Countryside, IL
National Provider Identifier
1538010186
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 209035025
- Practice address
- 9703 W 56TH CT
Countryside, IL 60525-7325 - Phone
- (708) 621-0579
- NPI assigned
- Feb 9, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | 209035025 | IL | Primary |
Addresses
Primary practice location
9703 W 56TH CT
Countryside, IL 60525-7325
Mailing address
9703 W 56TH CT
Countryside, IL 60525-7325
Phone (708) 621-0579
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
5 N521 Powis Rd
Wayne, IL 60184-2326
9703 W 56TH CT
Countryside, IL 60525-7325
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 209035025 | IL | MD | Family Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1770595200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774224000000",
"number": "1538010186",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9703 W 56TH CT",
"city": "COUNTRYSIDE",
"state": "IL",
"postal_code": "605257325",
"telephone_number": "708-621-0579"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9703 W 56TH CT",
"city": "COUNTRYSIDE",
"state": "IL",
"postal_code": "605257325",
"telephone_number": "708-621-0579"
}
],
"practiceLocations": [],
"basic": {
"last_name": "THIESSE",
"first_name": "ALEXIS",
"credential": "FNP-BC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-02-09",
"last_updated": "2026-03-23",
"certification_date": "2026-03-23",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "IL",
"license": "209035025",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Countryside, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.