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Hematology/Oncology

Vasia A. Ahmed, MD

Works at hospitals in Oak Lawn, IL · Chicago, IL · Olympia Fields, IL … · Illinois

Summary

Dr. Vasia A. Ahmed, MD is a hematologist-oncologist at 10604 Southwest Hwy, Suite 200, Chicago Ridge, IL 60415. Phone: (708) 424-9710. Accepts Medicare assignment. In 2024, Vasia A. Ahmed had 638 Original Medicare patients and 98,631 services. NPI 1992797047. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Vasia A. Ahmed, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Vasia A. Ahmed accept Medicare assignment?
Yes. Medicare's clinician data says Vasia A. Ahmed accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Vasia A. Ahmed see?
In 2024, CMS data shows 638 Original Medicare patients and 98,631 services for Vasia A. Ahmed. This counts Original Medicare only and measures volume, not quality.
What is Vasia A. Ahmed's NPI number?
1992797047. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Vasia A. Ahmed, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients638
Services billed to Medicare98,631
Different services or procedures122
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)16,360 services
  2. Injection, ferric carboxymaltose, 1 mg (J1439)15,750 services
  3. Injection, pembrolizumab, 1 mg (J9271)7,200 services
  4. Injection, denosumab, 1 mg (J0897)3,720 services
  5. Injection, azacitidine, 1 mg (J9025)3,200 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis54%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
  • Chronic kidney disease45%
  • Diabetes42%

Hospitals where Vasia A. Ahmed works

Medicare's Facility Affiliation Data lists Vasia A. Ahmed at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Vasia A. Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vasia A. Ahmed as a member of these groups (CMS data updated October 2, 2026).

  • Prime Healthcare Illinois Medical Group LLC322 clinicians in the group
  • Specialty Physicians of Illinois LLC102 clinicians in the group
  • Affiliated Oncologists LLC44 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Chicago Ridge

Clinicians with the same Medicare primary specialty in Chicago Ridge, IL — not a recommendation.

All hematologist-oncologists in Chicago Ridge →

Other clinicians in Prime Healthcare Illinois Medical Group LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1978 (48 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992797047
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians