Active NPI
Renato M Fontanilla, MD
- Neonatal-Perinatal Medicine Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neonatal-Perinatal Medicine Physician
- License
- 036-095712
- Practice address
- 2300 N Childrens PLZ # 152
Chicago, IL 60614-3363 - Phone
- (773) 880-6903
- Fax
- (773) 880-3068
- NPI assigned
- Aug 3, 2005
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Neonatal-Perinatal Medicine Physician | 2080N0001X | 036-095712 | IL | Primary |
Addresses
Primary practice location
2300 N Childrens PLZ # 152
Chicago, IL 60614-3363
Mailing address
1524 Overlook Dr
Glenview, IL 60025-5162
Phone (847) 729-0638
Other practice location 1
3815 Highland Ave
Downers Grove, IL 60515-1500
Phone (630) 275-4495
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036-095712-3 | Medicaid | IL |
Electronic endpoints 3
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | rfontanilla436245@direct.myadvocateaurora.org | Direct | |
| CONNECT URL | https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service | Other | Ability Network |
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036-095712 | IL | MD | Neonatal-Perinatal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bonaventure Medical Foundation, LLC | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Foundation for Emergency Services | Past | Accepting new patients | |
| Lurie Children'S Medical Group, LLC | Past | Accepting new patients | |
| Foundation for Emergency Services | Past | Accepting new patients | |
| Midwest Neoped Associates LTD | Past | Accepting new patients |
Locations
214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160
840 S Wood St
#856
Chicago, IL 60612
Phone (312) 413-1429
29373 Network Pl
Chicago, IL 60673
3815 Highland Ave
Downers Grove, IL 60515
Phone (630) 275-5900
2100 Pfingsten Rd
Glenview, IL 60026
Phone (847) 657-5800
1786 Moon Lake Blvd
Hoffman Estates, IL 60169
Phone (847) 640-5640
500 W Court St
Kankakee, IL 60901
Phone (800) 585-4119
2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400
2160 S 1st Ave
Bldg 101
Maywood, IL 60153
Phone (708) 216-8785
25 N Winfield Rd
Winfield, IL 60190
Phone (630) 682-1600
190 W Irving Park Rd
Wood Dale, IL 60191
Phone (630) 766-0412
Interoperability endpoints
- rfontanilla436245@direct.myadvocateaurora.org
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
-
- Family Medicine Physician
- Elk Grove Village, IL
- NPI 1588775647
-
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
-
- Emergency Medicine Physician
- Chicago, IL
- NPI 1467468280
-
- Primary Care Clinic/Center
- Chicago, IL
- NPI 1992053029
-
- Pediatrics Physician
- Chicago, IL
- NPI 1992758544
-
- Specialist
- Oak Brook, IL
- NPI 1396792180
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1123027200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769040000000",
"number": "1285635995",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1524 OVERLOOK DR",
"city": "GLENVIEW",
"state": "IL",
"postal_code": "600255162",
"telephone_number": "847-729-0638"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2300 N CHILDRENS PLZ # 152",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606143363",
"telephone_number": "773-880-6903",
"fax_number": "773-880-3068"
}
],
"practiceLocations": [
{
"address_1": "3815 Highland Ave",
"address_purpose": "LOCATION",
"city": "Downers Grove",
"state": "IL",
"postal_code": "605151500",
"country_code": "US",
"telephone_number": "630-275-4495",
"fax_number": "630-275-2028",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "FONTANILLA",
"first_name": "RENATO",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-08-03",
"last_updated": "2026-01-22",
"certification_date": "2026-01-22",
"status": "A"
},
"taxonomies": [
{
"code": "2080N0001X",
"taxonomy_group": "",
"desc": "Pediatrics, Neonatal-Perinatal Medicine",
"state": "IL",
"license": "036-095712",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036-095712-3",
"state": "IL"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "rfontanilla436245@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "3815 Highland Ave",
"city": "Downers Grove",
"state": "IL",
"country_code": "US",
"postal_code": "605151500",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "CONNECT",
"endpointTypeDescription": "CONNECT URL",
"endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
"affiliation": "Y",
"endpointDescription": "2.16.840.1.113883.3.667.2",
"affiliationName": "Ability Network",
"use": "OTHER",
"useDescription": "Other",
"useOtherDescription": "CMS esMD eMDR",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "64 S Price Rd Ste B",
"city": "Brownsville",
"state": "TX",
"country_code": "US",
"postal_code": "785212459",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "3815 Highland Ave",
"city": "Downers Grove",
"state": "IL",
"country_code": "US",
"postal_code": "605151500",
"country_name": "United States",
"address_type": "DOM"
}
],
"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 Jan 22, 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.