Active NPI
William M Zander, D.O.
- Occupational Medicine Physician
- Aurora, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Occupational Medicine Physician
- License
- 036-086818
- Practice address
- 1221 N Highland Ave
Aurora, IL 60506-1404 - Phone
- (630) 554-3456
- Fax
- (630) 551-2970
- NPI assigned
- Nov 13, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 036086818 | IL | |
| Occupational Medicine Physician | 2083X0100X | 036086818 | IL | |
| Occupational Medicine Physician | 2083X0100X | 036-086818 | IL | Primary |
Addresses
Primary practice location
1221 N Highland Ave
Aurora, IL 60506-1404
Mailing address
7 Wood Duck LN
Ottawa, IL 61350-9685
Phone (815) 434-1111
Other practice location 1
1850 Gateway Dr Ste 100
Sycamore, IL 60178-3192
Phone (815) 455-6100
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 036086818 | Medicaid | IL |
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| FHIR URL | https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/ | ||
| Direct Messaging Address | wzander379034@direct.myadvocateaurora.org | Direct |
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: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036-086818 | IL | MD | Occupational Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pic Indiana PC | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Physicians Immediate Care North Chicago LLC | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Osf Multi-Specialty Group | Past | Accepting new patients | |
| Fastrac Medical, P.C. | Emergency Medicine | Past | Accepting new patients |
| Mendota Community Hospital | Past | Accepting new patients |
Locations
2357 Sequoia Dr
Aurora, IL 60506
Phone (630) 859-6700
1221 N Highland Ave
Aurora, IL 60506
Phone (630) 859-6700
1663 Belvidere Rd
Belvidere, IL 61008
Phone (815) 544-0040
28594 Network Pl
Chicago, IL 60673
4211 N Cicero Ave
Chicago, IL 60641
Phone (773) 794-1000
1672 S Galena Ave
Dixon, IL 61021
Phone (708) 415-0267
750 Essington Rd
Joliet, IL 60435
Phone (815) 729-2160
1000 E Riverside Blvd
Loves Park, IL 61111
Phone (815) 633-4300
11475 N 2nd St
Machesney Pk, IL 61115
Phone (815) 543-5612
3475 S Alpine Rd
Rockford, IL 61109
Phone (815) 874-8000
6595 E State St
Rockford, IL 61108
Phone (815) 226-1300
9701 W Higgins Rd
Ste 270
Rosemont, IL 60018
Phone (847) 653-0130
924 W Pike St
Goshen, IN 46526
Phone (574) 312-7056
10343 Indianapolis Blvd
Ste 104
Highland, IN 46322
Phone (219) 513-4258
Interoperability endpoints
- wzander379034@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.
-
dba Advocate Medical Group (Dreyer)
- Multi-Specialty Clinic/Center
- Aurora, IL
- NPI 1003542184
-
dba Advocate Children's Hospital
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
-
- Urgent Care Clinic/Center
- Chicago, IL
- NPI 1205814118
-
- Emergency Medicine Physician
- Joliet, IL
- NPI 1659517597
-
dba OSF Healthcare - Medical Group - Granville
- Rural Health Clinic/Center
- Granville, IL
- NPI 1225877590
-
- Internal Medicine Physician
- Peoria, IL
- NPI 1922445527
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1163376000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783641600000",
"number": "1518038488",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7 WOOD DUCK LN",
"city": "OTTAWA",
"state": "IL",
"postal_code": "613509685",
"telephone_number": "815-434-1111",
"fax_number": "815-434-1112"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1221 N HIGHLAND AVE",
"city": "AURORA",
"state": "IL",
"postal_code": "605061404",
"telephone_number": "630-554-3456",
"fax_number": "630-551-2970"
}
],
"practiceLocations": [
{
"address_1": "1850 Gateway Dr Ste 100",
"address_purpose": "LOCATION",
"city": "Sycamore",
"state": "IL",
"postal_code": "601783192",
"country_code": "US",
"telephone_number": "815-455-6100",
"fax_number": "815-756-4941",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "ZANDER",
"first_name": "WILLIAM",
"middle_name": "M",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-11-13",
"last_updated": "2026-07-10",
"certification_date": "2026-07-10",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "IL",
"license": "036086818",
"primary": false
},
{
"code": "2083X0100X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Occupational Medicine",
"state": "IL",
"license": "036086818",
"primary": false
},
{
"code": "2083X0100X",
"taxonomy_group": "",
"desc": "Preventive Medicine, Occupational Medicine",
"state": "IL",
"license": "036-086818",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "036086818",
"state": "IL"
}
],
"endpoints": [
{
"endpointType": "FHIR",
"endpointTypeDescription": "FHIR URL",
"endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
"affiliation": "N",
"address_1": "1221 N Highland Ave",
"city": "Aurora",
"state": "IL",
"country_code": "US",
"postal_code": "605061404",
"country_name": "United States",
"address_type": "DOM"
},
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "wzander379034@direct.myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "1221 N Highland Ave",
"city": "Aurora",
"state": "IL",
"country_code": "US",
"postal_code": "605061404",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Aurora, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 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.