Active NPI
Radwan H Diab, M.D.
- Hematology (Internal Medicine) Physician
- Decatur, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology (Internal Medicine) Physician
- License
- 036177147
- Practice address
- 210 W McKinley Ave Ste 1
Decatur, IL 62526-5858 - Phone
- (217) 876-6600
- Fax
- (217) 876-6606
- NPI assigned
- May 19, 2020
- Last updated
- Apr 15, 2026
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 94-10218 | KS | |
| Hematology (Internal Medicine) Physician | 207RH0000X | 036177147 | IL | Primary |
Addresses
Primary practice location
210 W McKinley Ave Ste 1
Decatur, IL 62526-5858
Mailing address
PO Box 25228
Decatur, IL 62525-5228
Phone (217) 329-3232
Other practice location 1
1010 N Kansas St Ste 3023
Wichita, KS 67214-3124
Phone (316) 293-2665 ext. 31629
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
Care Compare profile
Medicare Care Compare- Specialty
- Hematology
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
210 W McKinley Ave
Suite 1
Decatur, IL 62526-5858
Phone (217) 877-9442
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036177147 | IL | MD | Hematology (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cancer Care Specialists of Central Illinois, S.C | Past | Accepting new patients | |
| Cancer Care Specialists of Central Illinois, S.C. | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Medical Oncology Physician
- Decatur, IL
- NPI 1871580142
-
dba Cancer Care Specialists of Illinois
- Community/Retail Pharmacy
- Decatur, IL
- NPI 1356874093
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1589846400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776211200000",
"number": "1699398297",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 25228",
"city": "DECATUR",
"state": "IL",
"postal_code": "625255228",
"telephone_number": "217-329-3232",
"fax_number": "217-233-1670"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "210 W MCKINLEY AVE STE 1",
"city": "DECATUR",
"state": "IL",
"postal_code": "625265858",
"telephone_number": "217-876-6600",
"fax_number": "217-876-6606"
}
],
"practiceLocations": [
{
"address_1": "1010 N Kansas St Ste 3023",
"address_purpose": "LOCATION",
"city": "Wichita",
"state": "KS",
"postal_code": "672143124",
"country_code": "US",
"telephone_number": "316-293-2665 x31629",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DIAB",
"first_name": "RADWAN",
"middle_name": "H",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-05-19",
"last_updated": "2026-04-15",
"certification_date": "2026-04-15",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "KS",
"license": "94-10218",
"primary": false
},
{
"code": "207RH0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology",
"state": "IL",
"license": "036177147",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Decatur, IL
- Yashvi Falguni Desai
- Allen Bernard Devleschoward Jr., M.D.
- Devoted Caregivers
- Nakeya Khozema Dewaswala, MD
- Harvinder Dhillon, MD
- Dialysis Centers of America - Illinois, Inc. (RCG Central Illinois-Decatur (Home))
- Dialysis Centers of America - Illinois, Inc. (RCG Central Illinois-Decatur)
- Tania Diaz-Macken
- Cynthia B Dickerson
- Rosemary Dickson, RBT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.
- 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.