Active NPI
Reggie Edwin Duerst, M.D.
- Pediatric Hematology & Oncology Physician
- Chicago, IL
National Provider Identifier
1194778142
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Hematology & Oncology Physician
- Practice address
- 2300 N Childrens PLZ
Chicago, IL 60614-3363 - Phone
- (773) 975-8512
- Fax
- (773) 880-3223
- NPI assigned
- May 19, 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 |
|---|---|---|---|---|
| Pediatric Hematology & Oncology Physician | 2080P0207X | IL | Primary |
Addresses
Primary practice location
2300 N Childrens PLZ
Chicago, IL 60614-3363
Mailing address
1509 Basswood Cir
Glenview, IL 60025-2006
Phone (847) 724-5415
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| L95633 | Medicaid | IL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036102049 | IL | MD | Pediatric Hematology & Oncology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147996800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1194778142",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1509 BASSWOOD CIR",
"city": "GLENVIEW",
"state": "IL",
"postal_code": "600252006",
"telephone_number": "847-724-5415"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2300 N CHILDRENS PLZ",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606143363",
"telephone_number": "773-975-8512",
"fax_number": "773-880-3223"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUERST",
"first_name": "REGGIE",
"middle_name": "EDWIN",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-19",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080P0207X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Hematology-Oncology",
"state": "IL",
"license": null,
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "L95633",
"state": "IL"
}
],
"endpoints": [],
"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 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.