Doctor profile · Federal record

Dr. Mazen Khalil, M.D.

Hematology & Oncology Physician (CMS: Internal Medicine) · Hematology & Oncology Physician · Jonesboro, AR

  • NPI 1659323608
  • Accepts Medicare
  • MIPS 52.3 / 100 · 2023
  • 32 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Carson St
Jonesboro, AR 724013104
(870) 932-5296
fax (870) 910-7713

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 24, 2008
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Arkansas #E-5722 · Tennessee #40968

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659323608. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,771
Distinct HCPCS
10
Medicare allowed
$173,167
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 762 289 $90
99215 Established patient office or other outpatient visit, 40-54 minutes 332 112 $131
99214 Established patient office or other outpatient visit, 30-39 minutes 250 101 $89
99213 Established patient office or other outpatient visit, 20-29 minutes 180 132 $61
99215 Established patient office or other outpatient visit, 40-54 minutes 82 30 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 52 42 $61
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $166
99212 Established patient office or other outpatient visit, 10-19 minutes 34 23 $33
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $166
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 15 15 $160

In context: peer comparison

Among 1 peers in Jonesboro Hematology & Oncology Physician, average services per provider: 177. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,126
Transactions
120
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 11 $315.21
Pfizer INC. 15 $293.18
Novartis Pharmaceuticals Corporation 16 $289.78
Merck Sharp & Dohme LLC 14 $230.08
AstraZeneca Pharmaceuticals Lp 13 $220.50
Abbvie INC. 8 $201.07
Takeda Pharmaceuticals U.S.A., INC. 7 $151.68
Eisai INC. 5 $117.42
Sumitomo Pharma America, INC. 5 $113.71
Emd Serono, INC. 6 $111.65
Intera Oncology, INC 1 $107.69
GlaxoSmithKline, LLC. 5 $87.48
Janssen Biotech, INC. 5 $86.63
E.R. Squibb & Sons, L.L.C. 5 $82.07
Genzyme Corporation 4 $81.48

By nature of payment

Food and Beverage
$3,102
Education
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,142
Patients
367
Total drug cost
$1,474,022
Drug Type Claims Patients Total cost
Letrozole Generic 280 76 $8,560
Prochlorperazine Maleate Generic 105 66 $1,849
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 97 35 $3,444
Gabapentin Generic 90 24 $1,312
Tamoxifen Citrate Generic 90 29 $2,830
Ondansetron Odt (Ondansetron) Brand 66 43 $1,309
Dexamethasone Generic 58 29 $1,286
Pantoprazole Sodium Generic 56 13 $649
Prednisone Generic 52 25 $523
Somatuline Depot (Lanreotide Acetate) Brand 52 0 $543,178

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mazen Khalil's medical specialty?
Dr. Mazen Khalil practices Hematology & Oncology Physician in Jonesboro, AR.
Where does Dr. Mazen Khalil practice?
Dr. Mazen Khalil practices at 300 Carson St, Jonesboro, AR 724013104. Office phone: 8709325296.
What is Dr. Mazen Khalil's NPI?
Dr. Mazen Khalil's National Provider Identifier (NPI) is 1659323608, issued by NPPES.
Does Dr. Mazen Khalil accept Medicare assignment?
Yes. Dr. Mazen Khalil accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mazen Khalil commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.