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AQSA SABIR M.D.
NPI 1487935243
Pediatrics - Pediatric Hematology-Oncology in Chicago, IL

Active since September 06, 2011PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-6760 Get Directions Write a Review

NPPES record last updated: September 13, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Aqsa Sabir M.d. NPPES

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

AQSA SABIR M.D. (NPI 1487935243) is an individual pediatric hematology-oncology provider in Chicago, Illinois, licensed in Illinois (036.159874) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1487935243
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameAQSA SABIRCredential: M.D.
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address150 Harvester Dr Ste 300Burr Ridge, IL 60527-5965 · (559) 740-3692
Phone(773) 702-6760
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateSeptember 6, 2011
Last NPPES UpdateSeptember 13, 2022
NPPES CertifiedSeptember 11, 2022
✔ NPI 1487935243 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 · 036.159874
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
5841 S MARYLAND AVE, Chicago, IL 60637
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aqsa Sabir M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7416268248
PECOS Enrollment IDI20251208000380
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 Reassignments

3

Medicare enrollment records show Aqsa Sabir reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The University Of Chicago Medical Center
Same address
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530
University Of Chicago
Same address
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 2,237 clinicians in this Medicare group
NPI 1821048786 (773) 702-9200
Valley Children's Medical Group
1,790 mi
Pediatrics
1524 MCHENRY AVE, SUITE 550
Modesto, CA 95350
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Valley Childrens Medical Group
  • 387 clinicians in this Medicare group
NPI 1437555265 (559) 353-5010

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.

DR. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Aqsa Sabir's NPI number?

The NPI number for Aqsa Sabir is 1487935243. It was assigned to this individual provider in the NPPES registry on September 6, 2011.

Where is Aqsa Sabir located?

Aqsa Sabir practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-6760.

What is Aqsa Sabir's specialty?

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

Is Aqsa Sabir enrolled in Medicare?

Yes. Aqsa Sabir is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aqsa Sabir's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aqsa Sabir reassigns Medicare benefits to 3 organizations: The University Of Chicago Medical Center (Chicago, IL), University Of Chicago (Chicago, IL) and Valley Children's Medical Group (Modesto, CA). Each 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 Aqsa Sabir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aqsa Sabir accept?

Health plans from Oscar Health list Aqsa Sabir as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Aqsa Sabir was last updated on September 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.