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DR. ISTVAN REDEI M.D.
NPI 1306818109
Internal Medicine - Hematology in Chicago, IL

Active since February 06, 2006PECOS Enrolled
2361 PAYSPHERE CIRCLE, CHICAGO, IL 60674(847) 746-4358 Get Directions Write a Review

NPPES record last updated: March 6, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Istvan Redei M.d. NPPES

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

DR. ISTVAN REDEI M.D. (NPI 1306818109) is an individual hematology provider in Chicago, Illinois, licensed in Illinois (036.109262) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306818109
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. ISTVAN REDEICredential: M.D.
Location Address2361 PAYSPHERE CIRCLEChicago, IL 60674
Mailing Address2520 Elisha AvenueZion, IL 60099 · (847) 872-6259 · Fax (847) 872-5716
Phone(847) 746-4358
Sole ProprietorYes
Enumeration DateFebruary 6, 2006
Last NPPES UpdateMarch 6, 2015
✔ NPI 1306818109 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 · 036.109262
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 ListedSpecialistTaxonomy 174400000X
2361 PAYSPHERE CIRCLE, Chicago, IL 60674
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Other Identifiers 2

Medicare UPING30519IL
Medicare UPINK00491

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Istvan Redei M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Istvan Redei reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

City Of Hope Medical Group Of Illinois PLLC
41 mi
Specialist
2520 ELISHA AVE
Zion, IL 60099
  • Reassigned Medicare billing, Illinois enrollment
  • 253 clinicians in this Medicare group
NPI 1548258072 (847) 746-4358

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60674 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
$183.39 typical visit price
range $60.08 – $183.39
Typical copayment $45.84 (range $15.02 – $45.84)
Most-billed visit code 99205
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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 9

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

ELHAM ABBOUD MD
Pathology (Anatomic Pathology & Clinical Pathology)
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. DOUGLAS E BATESKY M.D.
Emergency Medicine
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. RAKHSHANDA NEELAM M.D.
Internal Medicine (Medical Oncology)
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. ALFONSO V MELLIJOR M.D.
Surgery (Surgical Oncology)
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. DENNIS L CITRIN M.D.
Internal Medicine (Medical Oncology)
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. JEFFREY T CHOH M.D.
Radiology (Vascular & Interventional Radiology)
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. PAKORN SIRIJINTAKARN M.D.
Radiology (Diagnostic Radiology)
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358
DR. SHELLY VIJAY M.D.
Internal Medicine
2361 PAYSPHERE CIRCLE
CHICAGO, IL 60674
Cook County (847) 746-4358

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Istvan Redei's NPI number?

The NPI number for Istvan Redei is 1306818109. It was assigned to this individual provider in the NPPES registry on February 6, 2006.

Where is Istvan Redei located?

Istvan Redei practices at 2361 Paysphere Circle, Chicago, IL 60674. The listed phone number is (847) 746-4358.

What is Istvan Redei's specialty?

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

Is Istvan Redei enrolled in Medicare?

Yes. Istvan Redei is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Istvan Redei's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Istvan Redei reassigns Medicare benefits to City Of Hope Medical Group Of Illinois PLLC (Zion, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Istvan Redei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Istvan Redei was last updated on March 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.