Active NPI
William S Hulesch, MD
- Family Medicine Physician
- Downers Grove, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 036047430
- Practice address
- 4900 Main St
Downers Grove, IL 60515-3611 - Phone
- (630) 963-5440
- Fax
- (630) 963-2989
- NPI assigned
- Mar 17, 2006
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 036047430 | IL | Primary |
Addresses
Primary practice location
4900 Main St
Downers Grove, IL 60515-3611
Mailing address
29373 Network PL
Chicago, IL 60673-1293
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 03647430 | Medicaid | IL |
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | whulesch206596@direct.myadvocateaurora.org | Direct | |
| 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
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20100528000460 | IL | Practitioner - Family Practice | 9436140779 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- Loyola University of Chicago, Stritch School of Medicine, 1972
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
- Advocate Health and Hospitals Corporation
Practice addresses (Care Compare)
214 McHenry Rd
Buffalo Grove, IL 60089-6748
Phone (847) 459-1160
4900 Main St
Downers Grove, IL 60515-3611
Phone (630) 963-5440
639 Blackhawk Dr
Westmont, IL 60559-1115
Phone (630) 264-8720
Hospital & facility affiliations
- Advocate Home Health Care Serv
- Residential Home Health
- Family Home Health Services, Inc
- St Croix Hospice Lombard
- Advocate Good Samaritan Hospital
- Uchicago Medicine Adventhealth Hinsdale
- Advocate Illinois Masonic Medical Center
- Loyola University Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advocate Health and Hospitals Corp. | Current | Accepting new patients | |
| Downers Grove Family Practice,P.C. | Family Medicine | Current | Accepting new patients |
| The Eye Specialists Center, L.L.C. | Past | Accepting new patients |
Locations
29373 Network Pl
Chicago, IL 60673
4900 Main St
Downers Grove, IL 60515
Phone (630) 963-5440
Interoperability endpoints
- whulesch206596@direct.myadvocateaurora.org
Organizations & group practices 4
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.
-
- Family Medicine Physician
- Downers Grove, IL
- NPI 1952370603
Family Medicine
-
- Multi-Specialty Clinic/Center
- Oak Brook, IL
- NPI 1700824455
IL
-
- Cardiovascular Disease Physician
- Chicago, IL
- NPI 1487951711
-
- Ophthalmology Physician
- Chicago Ridge, IL
- NPI 1699802421
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Downers Grove, IL
- NPI 1578670543
Hospital
-
- Home Health Agency
- Oak Brook, IL
- NPI 1598732075
-
- Home Health Agency
- Addison, IL
- NPI 1164474565
-
- Community Based Hospice Care Agency
- Lombard, IL
- NPI 1679660153
Hospice
-
- General Acute Care Hospital
- Tinley Park, IL
- NPI 1427752013
Hospital
-
- Home Health Agency
- Lisle, IL
- NPI 1336377365
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1142553600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1744243200000",
"number": "1699744920",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "29373 NETWORK PL",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606731293"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4900 MAIN ST",
"city": "DOWNERS GROVE",
"state": "IL",
"postal_code": "605153611",
"telephone_number": "630-963-5440",
"fax_number": "630-963-2989"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HULESCH",
"first_name": "WILLIAM",
"middle_name": "S",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-17",
"last_updated": "2025-04-10",
"certification_date": "2025-04-10",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "IL",
"license": "036047430",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "03647430",
"state": "IL"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "whulesch206596@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "4900 Main St",
"city": "Downers Grove",
"state": "IL",
"country_code": "US",
"postal_code": "605153611",
"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": "4900 Main St",
"city": "Downers Grove",
"state": "IL",
"country_code": "US",
"postal_code": "605153611",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Downers Grove, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 10, 2025; 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.