Dr. Mazen Kawji, MD

  • Ottawa, IL
  • Cardiologist
NPI1518915842PAC ID7810988664
Medicare services, 2024
3,139
Medicare patients, 2024
1,877
Part D claims, 2024
3,836
Publications
30
Hospital affiliations
5
Practice address
1100 E Norris Dr, Ottawa, IL 61350
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD

Acute Care Hospital outpatient department · Ottawa, Illinois

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Dr. Mazen Kawji is a cardiologist in Ottawa, Illinois

Dr. Kawji practices at OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD in Ottawa, Illinois.

Dr. Kawji's NPI, 1518915842, was assigned on May 5, 2006. Dr. Kawji holds Illinois license 036097964.

NPI and contact details
Medicare PAC ID
7810988664
NPI enumeration date
May 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Mazen Kawji practices at OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD in Ottawa, Illinois

Dr. Kawji's primary practice is OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD, at 1100 E Norris Dr, Ottawa, IL 61350.

  • OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD
    1100 E Norris Dr, Ottawa, IL 61350

Source: Dmand AI Affiliation Data

Dr. Mazen Kawji is affiliated with 8 sites of care and 2 medical groups

Dr. Kawji's primary practice is OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD in Ottawa, Illinois. Dr. Kawji is also affiliated with OSF Saint Francis Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Kawji to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Kawji

Source: Dmand AI Affiliation Data

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kawji practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
OSF Saint Elizabeth Medical Center - Behavioral Health - HOPDAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Mazen Kawji is one of 908 cardiologists in Illinois

Cardiovascular disease is Dr. Kawji's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Kawji is licensed in Illinois.

Specialties and state licenses

  • Cardiovascular disease, IllinoisPrimaryLicense 036097964 · taxonomy 207RC0000X

Cardiologists near Dr. Kawji

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

908cardiologists in Illinois
6cardiologists in Ottawa

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

Dr. Mazen Kawji billed Medicare for 3,139 services in 2024

CMS data shows 3,139 Medicare services from Dr. Kawji across 20 procedure codes in 2024, for 1,877 Medicare patients. Medicare paid $103,858 for them.

Medicare services, 20243,139
Medicare patients1,877
Paid by Medicare$103,858
Procedure codes20

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

  • 2023
  • 2024
Tests and treatments
2023: 1,7442024: 2,36936%
Office and hospital visits
2023: 7492024: 6987%
Imaging
2023: 532024: 7236%

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

  • In an office95230%
  • In a facility2,18770%

Dr. Kawji compared with the Illinois median for cardiologists, 2024

  • Dr. Kawji
  • Illinois median
Medicare services
3,139vs 1,93662% above
Medicare patients
1,877vs 1,02383% above
Part D claims
3,680vs 1,5022.5 times

Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.

Dr. Kawji'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.

See all procedures by Dr. Kawji

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

Dr. Mazen Kawji treated 1,877 Medicare patients in 2024, average age 75

CMS counts 1,877 Medicare patients who saw Dr. Kawji in 2024. The largest group is 65 to 74, with 745 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.62, 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. Kawji's median patient age at 71, with 49% women.

Medicare patients, 20241,877
Average age75
Average risk score1.62
Also on Medicaid17%

Dr. Kawji's Medicare patients by age, 2024

Dr. Kawji's Medicare patients by sex, 2024

  • Women1,01054%
  • Men86746%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis49%
  4. Diabetes37%
  5. Chronic kidney disease36%
  6. Ischemic heart disease36%
  7. Heart failure35%
  8. Atrial fibrillation33%

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

Dr. Kawji's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Mazen Kawji wrote 3,836 Medicare Part D claims in 2024

In 2024, Dr. Kawji wrote 3,836 Medicare Part D claims for 516 patients. 88% of them were for generic drugs. CMS names the drug for 3,680 of them, across 39 drugs with 11 or more claims each, at $512,057 in total drug cost. In 2023, CMS named 2,554 claims across 31 drugs.

Part D claims, 20243,836
Drugs named by CMS39
Total drug cost$512,057
Part D patients516

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

  • Generic3,393 claims88%
  • Brand-name443 claims12%

Dr. Kawji'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,5542024: 3,68044%

Drugs named by CMS: 39 in 2024, 31 in 2023.

See all prescribing by Dr. Kawji

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

How Dr. Mazen Kawji takes part in Medicare

Dr. Kawji accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Mazen Kawji has 30 publications on record

Dmand AI links 30 papers to Dr. Kawji, published from 2015 to 2023. 2019 was the busiest year, with 8. The most frequent topics are Electrocardiography, Diagnosis, Differential and Bundle-Branch Block. Dr. Kawji has published most often in Am J Cardiol. Dr. Kawji's most frequent co-author is Sudhir Mungee, MD.

Papers30
Years published2015 to 2023

Dr. Kawji's papers by year, 2015 to 2023

Topics Dr. Kawji writes about most

  • Electrocardiography
  • Diagnosis, Differential
  • Bundle-Branch Block
  • Chest Pain
  • Coronary Angiography
  • Myocardial Infarction
  • Exercise Test
  • Stents

Dr. Kawji's most frequent co-authors

Recent publications by Dr. Kawji

See all 30 publications and co-authors

See who Dr. Kawji researches with

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

How network discovery works

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

Dr. Mazen Kawji received $3,599 in industry payments from 2016 to 2024

CMS Open Payments shows 250 general payments to Dr. Kawji from 28 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 94% of the total. Janssen Pharmaceuticals, Inc paid the most, $497.

General payments to Dr. Kawji by program year, 2016 to 2024

General payments to Dr. Kawji by kind, 2016 to 2024

$3.6Kin total
  • Food and beverage$3,39394%
  • Education$2066%

Companies that paid Dr. Kawji the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Kawji

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

Sources for Dr. Mazen Kawji'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 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Kawji

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 Kawji's NPI number?

Dr. Mazen Kawji's NPI number is 1518915842. It was assigned on May 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mazen Kawji?

Dr. Mazen Kawji is a cardiologist in Ottawa, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Mazen Kawji practice?

Dr. Kawji practices at 1100 E Norris Dr, Ottawa, IL 61350. Dr. Kawji's primary practice is OSF Saint Elizabeth Medical Center - Behavioral Health - HOPD in Ottawa, Illinois. Dmand AI also links Dr. Kawji to 4 hospitals, 2 group practices and clinics and 1 medical group.

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

Dr. Kawji holds Illinois license 036097964.

Which hospitals is Dr. Mazen Kawji affiliated with?

Dr. Kawji is affiliated with OSF Saint Francis Medical Center. Dmand AI links Dr. Kawji to 4 more hospitals.

What medical group is Dr. Mazen Kawji part of?

Dr. Kawji is linked to OSF Multi-Specialty Group. Dmand AI links Dr. Kawji to 1 more medical group.

Does Dr. Mazen Kawji accept Medicare?

Yes. CMS data shows Dr. Kawji billed Medicare for 3,139 services in 2024, and Dr. Kawji accepts Medicare assignment.

How many Medicare patients does Dr. Mazen Kawji see?

CMS counts 1,877 Medicare patients who saw Dr. Kawji in 2024, with an average age of 75.

What services does Dr. Mazen Kawji bill to Medicare?

In 2024, Dr. Kawji's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93306).

What drugs does Dr. Mazen Kawji prescribe most?

In 2024 Medicare Part D data, Dr. Kawji's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Carvedilol.

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

CMS Open Payments shows $3,599 in general payments to Dr. Kawji from 28 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Mazen Kawji been practicing?

Dr. Kawji graduated from medical school in 1987, 39 years ago.

Does Dr. Mazen Kawji do research?

Dmand AI links 30 publications to Dr. Kawji, published from 2015 to 2023.

Who does Dr. Mazen Kawji publish with?

Dr. Kawji's most frequent co-authors are Sudhir Mungee, MD (1 shared paper).

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