Active NPI
Elizabeth Zeder Byrne, MD
- Emergency Medicine Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 036-140161
- Practice address
- 836 W Wellington Ave
Chicago, IL 60657-5147 - Phone
- (773) 296-7054
- Fax
- (773) 296-7818
- NPI assigned
- Mar 22, 2013
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 01079783A | IN | |
| Emergency Medicine Physician | 207P00000X | 4833-230 | WI | |
| Emergency Medicine Physician | 207P00000X | 036-140161 | IL | Primary |
Addresses
Primary practice location
836 W Wellington Ave
Chicago, IL 60657-5147
Mailing address
1000 Mineral Point Ave
Janesville, WI 53548-2982
Phone (608) 756-6868
Other practice location 1
8201 E Riverside Blvd
Rockford, IL 61114-2300
Phone (815) 971-7000
Other practice location 2
N2950 State Road 67
Lake Geneva, WI 53147-2655
Phone (262) 245-0535
Other practice location 3
875 S Route 31
Crystal Lake, IL 60014-8190
Phone (779) 220-5500
Other practice location 4
1045 W Stephenson St
Freeport, IL 61032-4864
Phone (815) 599-6000
Other practice location 5
1000 Mineral Point Ave
Janesville, WI 53548-2982
Phone (608) 756-6868
Other practice location 6
901 Grant St
Harvard, IL 60033-1821
Phone (815) 943-5431
Electronic endpoints 2
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | ereynolds217670@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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036-140161 | IL | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advocate Health & Hospitals Corporation | Current | Accepting new patients | |
| Carle West Physician Group Inc | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Advocate Health and Hospitals Corporation | Current | Accepting new patients | |
| Chicago Gastro LLC | Past | Accepting new patients |
Locations
2204 Eastland Dr
Bloomington, IL 61704
Phone (309) 662-9461
214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160
836 W Wellington Ave
Chicago, IL 60657
Phone (773) 296-7054
29373 Network Pl
Chicago, IL 60673
Interoperability endpoints
- ereynolds217670@direct.myadvocateaurora.org
Organizations & group practices 5
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
- Normal, IL
- NPI 1467074138
-
- Medical Specialty Clinic/Center
- Oak Lawn, IL
- NPI 1912936014
-
- Children's Hospital
- Oak Lawn, IL
- NPI 1508315516
-
- Gastroenterology Physician
- Chicago, IL
- NPI 1548414063
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1363910400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784160000000",
"number": "1609118116",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1000 MINERAL POINT AVE",
"city": "JANESVILLE",
"state": "WI",
"postal_code": "535482982",
"telephone_number": "608-756-6868",
"fax_number": "608-756-6289"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "836 W WELLINGTON AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606575147",
"telephone_number": "773-296-7054",
"fax_number": "773-296-7818"
}
],
"practiceLocations": [
{
"address_1": "8201 E Riverside Blvd",
"address_purpose": "LOCATION",
"city": "Rockford",
"state": "IL",
"postal_code": "611142300",
"country_code": "US",
"telephone_number": "815-971-7000",
"fax_number": "815-968-4795",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "N2950 State Road 67",
"address_purpose": "LOCATION",
"city": "Lake Geneva",
"state": "WI",
"postal_code": "531472655",
"country_code": "US",
"telephone_number": "262-245-0535",
"fax_number": "262-245-2248",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "875 S Route 31",
"address_purpose": "LOCATION",
"city": "Crystal Lake",
"state": "IL",
"postal_code": "600148190",
"country_code": "US",
"telephone_number": "779-220-5500",
"fax_number": "779-220-5184",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1045 W Stephenson St",
"address_purpose": "LOCATION",
"city": "Freeport",
"state": "IL",
"postal_code": "610324864",
"country_code": "US",
"telephone_number": "815-599-6000",
"fax_number": "815-599-7974",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1000 Mineral Point Ave",
"address_purpose": "LOCATION",
"city": "Janesville",
"state": "WI",
"postal_code": "535482982",
"country_code": "US",
"telephone_number": "608-756-6868",
"fax_number": "608-756-6289",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "901 Grant St",
"address_purpose": "LOCATION",
"city": "Harvard",
"state": "IL",
"postal_code": "600331821",
"country_code": "US",
"telephone_number": "815-943-5431",
"fax_number": "815-943-0659",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BYRNE",
"first_name": "ELIZABETH",
"middle_name": "ZEDER",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2013-03-22",
"last_updated": "2026-07-16",
"certification_date": "2026-07-16",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "IN",
"license": "01079783A",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "WI",
"license": "4833-230",
"primary": false
},
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "IL",
"license": "036-140161",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "ereynolds217670@myadvocateaurora.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "836 W Wellington Ave",
"city": "Chicago",
"state": "IL",
"country_code": "US",
"postal_code": "606575147",
"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": "836 W Wellington Ave",
"city": "Chicago",
"state": "IL",
"country_code": "US",
"postal_code": "606575147",
"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 Jul 16, 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.