Doctor profile · Federal record

Dr. Ajaz Khan, M.D.

Hematology & Oncology Physician (CMS: Internal Medicine) · Hematology & Oncology Physician · Hematology & Oncology Physician · Zion, IL

  • NPI 1043484736
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
Cancer Treatment Centers of America, 2520 Elisha Avenue
Zion, IL 60099
(800) 322-9183
Additional location
1 Tallow Wood Dr
Clifton Park, NY 120652807
(518) 268-5060
Additional location
2215 Burdett Ave
Troy, NY 121802466
(518) 271-3775
Show 1 more location
Additional location
5666 East State Street
Rockford, IL 611082472
(815) 226-2000
Mailing address
Cancer Treatment Centers of America, 2361 Paysphere Circle
Chicago, IL 60674

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
March 26, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (3)
Illinois #036-122000 · New York #238121 · New Jersey #MA082147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043484736. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
382
Distinct HCPCS
4
Medicare allowed
$51,935
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 295 74 $148
99214 Established patient office or other outpatient visit, 30-39 minutes 41 32 $97
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 27 21 $32
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $188

In context: peer comparison

Among 3 peers in this city , average services per provider: 158. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,892
Transactions
13
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Fennec Pharmaceuticals, Inc. 2 $1,674.43
Novartis Pharmaceuticals Corporation 8 $136.44
SpringWorks Therapeutics, Inc. 1 $34.75
Daiichi Sankyo Inc. 1 $23.41
Gilead Sciences, Inc. 1 $22.65

By nature of payment

Consulting Fee
$1,650
Food and Beverage
$242

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
183
Patients
40
Total drug cost
$506,876
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 26 13 $906
Ondansetron Hcl Generic 22 14 $414
Gabapentin Generic 19 0 $84
Prednisone Generic 17 13 $53
Xtandi (Enzalutamide) Brand 17 0 $174,692
Tamsulosin Hcl Generic 16 0 $245
Dexamethasone Generic 15 0 $137
Eliquis (Apixaban) Brand 14 0 $11,022
Letrozole Generic 13 0 $259
Somatuline Depot (Lanreotide Acetate) Brand 12 0 $128,815

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ajaz Khan's medical specialty?
Dr. Ajaz Khan practices Hematology & Oncology Physician in Zion, IL.
Where does Dr. Ajaz Khan practice?
Dr. Ajaz Khan practices at Cancer Treatment Centers of America, Zion, IL 60099. Office phone: 8003229183.
What is Dr. Ajaz Khan's NPI?
Dr. Ajaz Khan's National Provider Identifier (NPI) is 1043484736, issued by NPPES.
Does Dr. Ajaz Khan accept Medicare assignment?
Yes. Dr. Ajaz Khan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ajaz Khan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.