Individual provider Active NPI

Renato M Fontanilla, MD

  • Neonatal-Perinatal Medicine Physician
  • Chicago, IL
National Provider Identifier
1285635995
Registry record updated Jan 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
036-095712 Issued in IL
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

Updated by the provider on Jan 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
036-095712-3MedicaidIL

Electronic endpoints 3

TypeEndpointUseAffiliation
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040928001179 IL Practitioner - Pediatric MedicinePractitioner - Critical Care (Intensivists) 5799754560 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036-095712ILMDNeonatal-Perinatal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bonaventure Medical Foundation, LLC CurrentSince Jul 22, 2012 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Sep 20, 2025 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Sep 20, 2025 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 PastSince Jun 28, 2009 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

  • Direct secure messaging: 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.

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

Verify at the official NPI Registry.