Individual provider Active NPI

Radwan H Diab, M.D.

  • Hematology (Internal Medicine) Physician
  • Decatur, IL
National Provider Identifier
1699398297
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
036177147 Issued in IL
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, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260424001011 IL Practitioner - Hematology 2365867595 Reassigns benefits to 1 organization

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

LicenseStateTypeSpecialty
036177147ILMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cancer Care Specialists of Central Illinois, S.C PastSince Jun 1, 2026 Accepting new patients
Cancer Care Specialists of Central Illinois, S.C. PastSince Jun 1, 2026 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.

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

Sources for this page

Verify at the official NPI Registry.