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DR. AROOP KUMAR KAR M.D.
NPI 1417218405
Pediatrics - Pediatric Hematology-Oncology in Winfield, IL

Active since June 06, 2012PECOS Enrolled
25 N WINFIELD RD, PEDIATRIC OUTPATIENT EAST CLINIC, WINFIELD, IL 60190(630) 933-4291(630) 933-4225 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 4, 2026, Nov 10, 2025, Jun 13, 2018 (3 updates tracked since 2018).

About Dr. Aroop Kumar Kar M.d. NPPES

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

DR. AROOP KUMAR KAR M.D. (NPI 1417218405) is an individual pediatric hematology-oncology provider in Winfield, Illinois, licensed in Illinois (036.138489) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1417218405
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. AROOP KUMAR KARCredential: M.D.
Location Address25 N WINFIELD RD, PEDIATRIC OUTPATIENT EAST CLINICWinfield, IL 60190-1222
Mailing Address25 N Winfield RdWinfield, IL 60190-1379 · (630) 933-4291 · Fax (630) 933-4225
Phone(630) 933-4291
Fax(630) 933-4225
Sole ProprietorNo
Enumeration DateJune 6, 2012
Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1417218405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in IL · 036.138489
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
25 N WINFIELD RD, Winfield, IL 60190
Open in Google Maps ↗

Secondary Practice Location 1

Location 1225 E Chicago AveChicago, IL 60611-2991 · Phone (800) 543-7362

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aroop Kumar Kar 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 Aroop Kar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lurie Children's Medical Group Inc
28 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

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

Other Providers at the Same Location NPPES 20

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

JOSEPH RAYMOND SCHNEIDER MD
Surgery (Vascular Surgery)
25 N WINFIELD RD, SUITE 201
WINFIELD, IL 60190
Dupage County (630) 933-4487
JESSICA LASAK BERNARDI APN
Nurse Practitioner
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 933-2157
KAITLYNN HARPER
Speech-Language Pathologist
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 933-1500
DR. TIMOTHY J MCGEE DO
Internal Medicine (Pulmonary Disease)
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 690-4553
DR. RANDY S WITTMAN MD
Obstetrics & Gynecology
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 653-4240
DR. KIRK JAMES PAPA M.D.
Anesthesiology
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 933-6675
SETH T KAY M.D.
Otolaryngology
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 933-6879
KRISTEN FLUBACKER FNP-C
Nurse Practitioner (Family)
25 N WINFIELD RD
WINFIELD, IL 60190
Dupage County (630) 933-1600

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 Aroop Kar's NPI number?

The NPI number for Aroop Kar is 1417218405. It was assigned to this individual provider in the NPPES registry on June 6, 2012.

Where is Aroop Kar located?

Aroop Kar practices at 25 N Winfield Rd Pediatric Outpatient East Clinic, Winfield, IL 60190. The listed phone number is (630) 933-4291.

What is Aroop Kar's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Aroop Kar enrolled in Medicare?

Yes. Aroop Kar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aroop Kar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aroop Kar reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, 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 Aroop Kar'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 Aroop Kar was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.