RADWAN H DIAB M.D.
NPI 1699398297
Internal Medicine - Hematology in Decatur, IL

Q: What is Radwan Diab's NPI number?

The NPI number for Radwan Diab is 1699398297. It was assigned to this individual provider in the NPPES registry on May 19, 2020.

Q: What is Radwan Diab's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Q: When was this NPI record last updated?

The NPPES record for Radwan Diab was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 19, 2020PECOS EnrolledAccepts Medicare Assignment

210 W MCKINLEY AVE STE 1, DECATUR, IL 62526(217) 876-6600(217) 876-6606 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 15, 2026, May 19, 2020 (2 updates tracked since 2020).

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About Radwan H Diab M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RADWAN H DIAB M.D. (NPI 1699398297) is an individual hematology provider in Decatur, Illinois, licensed in Illinois (036177147) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS, is affiliated with Decatur Memorial Hospital, and maintains a secondary practice location in Wichita.

NPPES Registry Identity

NPI1699398297

Entity TypeIndividualMale

Primary Taxonomy207RH0000X

Provider Legal NameRADWAN H DIABCredential: M.D.

Location Address210 W MCKINLEY AVE STE 1Decatur, IL 62526-5858

Mailing AddressPo Box 25228Decatur, IL 62525-5228 · (217) 329-3232 · Fax (217) 233-1670

Phone(217) 876-6600

Fax(217) 876-6606

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateMay 19, 2020

Last NPPES UpdateApril 15, 20262 updates tracked since enumeration

NPPES CertifiedApril 15, 2026

✔ NPI 1699398297 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0000X

License✔ Licensed in IL · 036177147

Definition

An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.

Also ListedInternal MedicineTaxonomy 207R00000X · License 94-10218 (KS)

210 W MCKINLEY AVE STE 1, Decatur, IL 62526

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Secondary Practice Location 1

Location 11010 N Kansas St Ste 3023Wichita, KS 67214-3124 · Phone (316) 293-2665 ext. 31629

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Radwan H Diab M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365867595

PECOS Enrollment IDI20260424001011

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Radwan Diab reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cancer Care Specialists Of Central Illinois, S.C.

Same address

Medical Oncology

210 W MCKINLEY AVE, SUITE 1
Decatur, IL 62526

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Cancer Care Specialists Of Central Illinois Sc
36 clinicians in this Medicare group

NPI 1871580142 (217) 876-6600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Decatur Memorial Hospital

Acute Care Hospitals · Decatur, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140135

Location2300 North Edward StreetDecatur, IL 62526 · Macon County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62526 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$168.44 typical visit price

range $54.80 – $168.44

Typical copayment $42.11 (range $13.70 – $42.11)

Most-billed visit code 99205

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THOMAS H TARTER M.D.

Surgery (Surgical Oncology)