Dr. Mazen Khalil, MD

  • Jonesboro, AR
  • Hematologist and oncologist
NPI1659323608PAC ID5799798542
Medicare services, 2024
3,087
Medicare patients, 2024
598
Part D claims, 2024
2,227
Publications
4
Clinical trials
4
Practice address
225 E Washington Ave, Jonesboro, AR 72401
Practice phone
Call (870) 972-4100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Bernards Medical Center

Hospital · Jonesboro, Arkansas

See all 8 affiliations

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Dr. Mazen Khalil is a hematologist and oncologist in Jonesboro, Arkansas

Dr. Khalil practices at St. Bernards Medical Center in Jonesboro, Arkansas, part of St. Bernards Healthcare.

Dr. Khalil's NPI, 1659323608, was assigned on May 17, 2006. Dr. Khalil holds Arkansas license E-5722.

NPI and contact details
Medicare PAC ID
5799798542
NPI enumeration date
May 17, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(870) 972-4100
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mazen Khalil practices at St. Bernards Medical Center in Jonesboro, Arkansas

Dr. Khalil's primary practice is St. Bernards Medical Center, at 225 E Washington Ave, Jonesboro, AR 72401 in Craighead County. The practice phone is (870) 972-4100.

Source: Dmand AI Affiliation Data

Dr. Mazen Khalil is affiliated with 7 sites of care and 1 medical group

Dr. Khalil's primary practice is St. Bernards Medical Center in Jonesboro, Arkansas, part of St. Bernards Healthcare. Dr. Khalil is also affiliated with Baptist Memorial Hospital-Paragould. The medical group on file is St. Bernards Cancer Center. Dmand AI also links Dr. Khalil to 2 more hospitals, 1 group practice or clinic, 1 home health agency and 1 other site, each named with a free account.

See all 8 affiliations for Dr. Khalil

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mazen Khalil's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Khalil practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Bernards Medical CenterAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mazen Khalil is one of 89 hematologists and oncologists in Arkansas

Hematology and oncology is Dr. Khalil's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Khalil's licenses on file in 2 states: Arkansas and Tennessee.

Specialties and state licenses

  • Hematology and oncology, ArkansasPrimaryLicense E-5722 · taxonomy 207RH0003X
  • Tennessee licenseLicense 40968

Hematologists and oncologists near Dr. Khalil

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mazen Khalil billed Medicare for 3,087 services in 2024

CMS data shows 3,087 Medicare services from Dr. Khalil across 7 procedure codes in 2024, for 598 Medicare patients. Medicare paid $161,821 for them.

Medicare services, 20243,087
Medicare patients598
Paid by Medicare$161,821
Procedure codes7

Dr. Khalil's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,7712024: 1,8183%
Other services
2023: 02024: 1,269

Where Dr. Khalil's Medicare services took place, 2024

  • In an office60019%
  • In a facility2,48781%

Dr. Khalil compared with the Arkansas median for hematologists and oncologists, 2024

  • Dr. Khalil
  • Arkansas median
Medicare services
3,087vs 4,81636% below
Medicare patients
598vs 75821% below
Part D claims
1,943vs 1,17366% above

Medians across 88 hematologists and oncologists in Arkansas with Dmand AI profiles that report each measure.

Dr. Khalil's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mazen Khalil treated 598 Medicare patients in 2024, average age 74

CMS counts 598 Medicare patients who saw Dr. Khalil in 2024. The largest group is 65 to 74, with 263 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Khalil's median patient age at 65, with 63% women.

Medicare patients, 2024598
Average age74
Average risk score2.09
Also on Medicaid16%

Dr. Khalil's Medicare patients by age, 2024

Dr. Khalil's Medicare patients by sex, 2024

  • Women37863%
  • Men22037%

Chronic conditions among Dr. Khalil's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Cancer57%
  4. Arthritis55%
  5. Diabetes39%
  6. Ischemic heart disease37%
  7. Anxiety33%
  8. Mood disorders33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Khalil's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women63%
  • Men37%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mazen Khalil wrote 2,227 Medicare Part D claims in 2024

In 2024, Dr. Khalil wrote 2,227 Medicare Part D claims for 362 patients. 75% of them were for generic drugs. CMS names the drug for 1,943 of them, across 47 drugs with 11 or more claims each, at $6,062,169 in total drug cost. In 2023, CMS named 1,681 claims across 42 drugs.

Part D claims, 20242,227
Drugs named by CMS47
Total drug cost$6.1M
Part D patients362

Dr. Khalil's Part D claims by kind of drug, 2024

  • Generic1,668 claims75%
  • Brand-name and other559 claims25%

Dr. Khalil's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Khalil's Part D claims, 2024

  • Opioids8%187 of 2,227 claims
  • Antibiotics1%21 of 2,227 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,6812024: 1,94316%

Drugs named by CMS: 47 in 2024, 42 in 2023.

See all prescribing by Dr. Khalil

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mazen Khalil scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Khalil for performance year 2024, reported individually. Dr. Khalil accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Khalil's MIPS scores, performance year 2024

  • 61of 100Final score
  • 67.6of 100Quality
  • 40of 100Improvement Activities
  • 10of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Mazen Khalil has 4 publications on record

Dmand AI links 4 papers to Dr. Khalil, published from 2017 to 2024. 2017 was the busiest year, with 2. The most frequent topics are Antibodies, Monoclonal. Dr. Khalil has published most often in Cureus. Dr. Khalil's most frequent co-authors are Jennifer Effie Amengual, MD, Charles M. Farber, MD, PhD and Daruka Mahadevan, MD, PhD.

Papers4
Years published2017 to 2024

Topics Dr. Khalil writes about most

  • Antibodies, Monoclonal

Dr. Khalil's most frequent co-authors

Recent publications by Dr. Khalil

See all 4 publications and co-authors

See who Dr. Khalil researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Khalil works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Mazen Khalil has worked on 4 clinical trials

Dmand AI links Dr. Khalil to 4 clinical trials. 3 are still active or recruiting. Conditions studied include Breast Neoplasms, Breast Diseases and Carcinoma, Non-Small-Cell Lung. Eli Lilly and Company sponsors the most, 4. Open Payments lists research payments to Dr. Khalil that name 4 trials.

Conditions in Dr. Khalil's trials

  • Breast Neoplasms
  • Breast Diseases
  • Carcinoma, Non-Small-Cell Lung
  • Prostatic Neoplasms
  • Carcinoma, Bronchogenic

Investigators on the most trials with Dr. Khalil

Recent clinical trials with Dr. Khalil

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Mazen Khalil received $27,942 in industry payments from 2016 to 2025

CMS Open Payments shows 1,591 general payments to Dr. Khalil from 81 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Novartis Pharmaceuticals Corporation paid the most, $2,573. It also lists 9 research payments totaling $13,906 from 2017 to 2020, naming 4 clinical trials.

General payments to Dr. Khalil by program year, 2016 to 2025

General payments to Dr. Khalil by kind, 2016 to 2025

$27.9Kin total
  • Food and beverage$26,12693%
  • Travel and lodging$9153%
  • Education$9013%

Companies that paid Dr. Khalil the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Khalil

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Mazen Khalil's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mazen Khalil

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mazen Khalil's NPI number?

Dr. Mazen Khalil's NPI number is 1659323608. It was assigned on May 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mazen Khalil?

Dr. Mazen Khalil is a hematologist and oncologist in Jonesboro, Arkansas. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Mazen Khalil practice?

Dr. Khalil practices at 225 E Washington Ave, Jonesboro, AR 72401. Dr. Khalil's primary practice is St. Bernards Medical Center in Jonesboro, Arkansas, part of St. Bernards Healthcare. Dmand AI also links Dr. Khalil to 2 hospitals, 1 group practice or clinic, 1 home health agency and 1 other site.

What is Dr. Mazen Khalil's office phone number?

The practice phone on file for Dr. Khalil is (870) 972-4100.

What is Dr. Mazen Khalil's medical license number?

Dr. Khalil holds Arkansas license E-5722, one of the licenses on file in 2 states.

Which states has Dr. Mazen Khalil been licensed in?

Dmand AI has state licenses on file for Dr. Khalil in Arkansas and Tennessee.

Which hospitals is Dr. Mazen Khalil affiliated with?

Dr. Khalil practices at St. Bernards Medical Center in Jonesboro, Arkansas. Dr. Khalil is also affiliated with Baptist Memorial Hospital-Paragould. Dmand AI links Dr. Khalil to 2 more hospitals.

What medical group is Dr. Mazen Khalil part of?

Dr. Khalil is linked to St. Bernards Cancer Center.

Does Dr. Mazen Khalil accept Medicare?

Yes. CMS data shows Dr. Khalil billed Medicare for 3,087 services in 2024, and Dr. Khalil accepts Medicare assignment.

What is Dr. Mazen Khalil's MIPS score?

Dr. Khalil's MIPS final score for performance year 2024 is 61 out of 100, reported individually.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Mazen Khalil see?

CMS counts 598 Medicare patients who saw Dr. Khalil in 2024, with an average age of 74.

What services does Dr. Mazen Khalil bill to Medicare?

In 2024, Dr. Khalil's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).

What drugs does Dr. Mazen Khalil prescribe most?

In 2024 Medicare Part D data, Dr. Khalil's most prescribed drugs by claims were Letrozole, Prochlorperazine Maleate and Gabapentin.

Has Dr. Mazen Khalil received payments from drug or device companies?

CMS Open Payments shows $27,942 in general payments to Dr. Khalil from 81 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. Mazen Khalil been practicing?

Dr. Khalil graduated from medical school in 1994, 32 years ago.

Does Dr. Mazen Khalil do research?

Dmand AI links 4 publications to Dr. Khalil, published from 2017 to 2024. Dr. Khalil has worked on 4 clinical trials.

Who does Dr. Mazen Khalil publish with?

Dr. Khalil's most frequent co-authors are Jennifer Effie Amengual, MD (1 shared paper), Charles M. Farber, MD, PhD (1 shared paper) and Daruka Mahadevan, MD, PhD (1 shared paper).

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