Active NPI
Lesly G Castillo, APRN
- Family Nurse Practitioner
- Chicago, IL
National Provider Identifier
1992664882
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- 209.034432
- Practice address
- 5700 W Fullerton Ave
Chicago, IL 60639-2307 - Phone
- (773) 231-0796
- NPI assigned
- Jan 17, 2026
- Sex
- Female
- Sole proprietor
- Yes
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 | 209.034432 | IL | Primary |
Addresses
Primary practice location
5700 W Fullerton Ave
Chicago, IL 60639-2307
Mailing address
5143 N Normandy Ave
Chicago, IL 60656-3737
Phone (773) 895-5771
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 209.034432 | IL | MD | Family Nurse Practitioner |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1768608000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783987200000",
"number": "1992664882",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5143 N NORMANDY AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606563737",
"telephone_number": "773-895-5771"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5700 W FULLERTON AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606392307",
"telephone_number": "773-231-0796"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CASTILLO",
"first_name": "LESLY",
"middle_name": "G",
"credential": "APRN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2026-01-17",
"last_updated": "2026-07-14",
"certification_date": "2026-07-14",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "IL",
"license": "209.034432",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}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 Jul 14, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.