NPPES file of Aug 9, 2026

Ajaz M. Khan, M.D.

Hematology & Oncology Physician · Zion, IL

Ajaz M. Khan, M.D. is a hematology & oncology physician with a practice address in Zion, Illinois, and NPI 1043484736, issued on Apr 15, 2008. Check the license (Illinois 036-122000, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043484736
Name
Ajaz M. Khan
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
036-122000 IL
MA082147 NJ
238121 NY
Self-reported in NPPES; status is on the state search
Practice location
Cancer Treatment Centers OF America, Zion, IL 60099
Phone
(800) 322-9183
Enumerated
Apr 15, 2008
Record last updated
Mar 26, 2022
Medicare enrollment
Enrolled (PECOS I20081028000628); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →

Also registered at Cancer Treatment Centers OF America

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melissa Atwell, PA-CPhysician Assistant1497310056
  2. Barbara Buttin, M.D.Gynecologic Oncology Physician1700876307
  3. Tami Carrillo, MDVascular & Interventional Radiology Physician1013171453
  4. Elisa Demet, NPFamily Nurse Practitioner1144877077
  5. Ryan Engel, DOMedical Oncology Physician1740336718
  6. Laura Farrington, D.OMedical Oncology Physician1073786745

Verify Ajaz M. Khan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-122000    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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39% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

539 Medicare Part D claims for 128 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Ajaz Khan539
  2. Specialty average877

Most prescribed

  1. Levothyroxine Sodium48 claims
  2. Tamsulosin Hcl30 claims
  3. Ibrance28 claims
  4. Prochlorperazine Maleate22 claims
  5. Anastrozole19 claims
  6. Ondansetron Odt18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,891.68

13 payments; by number, the most common kind was food and beverage; the largest payer was Fennec Pharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ajaz Khan$1,891.68
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Humboldt Park HealthChicago, IL · Acute Care Hospitals1 of 5 stars
  2. City OF Hope Medical Group OF Illinois PLLCZion, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Ajaz M. Khan among 666 hematology & oncology physician records in Illinois

Ajaz M. Khan, M.D. is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 41% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2002 · median 2003 among the 461 with a school on file
  • Record last updated2022 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

7 hematology & oncology physician records list a practice address in Zion

They are 7 of the 222 NPPES records with a practice address in Zion, and 666 hematology & oncology physician records in Illinois.

All 666 in Illinois → Every provider in Zion → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Evan Pisick, M.D.Zion, IL 600991427096700
  2. Tulio Rodriguez, M.D.Zion, IL 600991831176007
  3. Rohit Shah, M.D.Zion, IL 600991487761268
  4. Ashwin Sheelvanth, MDZion, IL 600991134115769
  5. Walter Stadler, MDZion, IL 600991033272547
  6. Kevin Zhang, M.D.Zion, IL 600991275030256
  7. Sohail Chaudhry, M.D.Dekalb, IL 601151245247717
  8. Faisal Saghir, MDDekalb, IL 601151922000777

Common questions

What is Ajaz M. Khan, M.D.'s NPI number?

Ajaz M. Khan, M.D.'s National Provider Identifier (NPI) is 1043484736, issued on Apr 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ajaz M. Khan, M.D. located?

The NPPES record lists a practice address at Cancer Treatment Centers OF America, Zion, IL, 60099. Phone: (800) 322-9183. Providers update this record themselves, so call before visiting.

How can I verify Ajaz M. Khan, M.D.'s license?

NPPES lists Illinois license number 036-122000, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ajaz M. Khan, M.D. prescribe under Medicare Part D?

In 2024, Ajaz M. Khan, M.D. had 539 Medicare Part D claims for 128 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.