Warfarin (Coumadin, Jantoven) Prescribers in Illinois

1. 1
   Susan CollazoAPRN, CNP

   Nurse Practitioner · Winfield, IL

   2,301 Medicare Part D claims (2024)

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2. 2
   Brian IngMD

   Internal Medicine Physician · Maywood, IL

   1,272 Medicare Part D claims (2024)

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3. 3
   Michael AhearnMD

   Family Medicine Physician · Kewanee, IL

   1,008 Medicare Part D claims (2024)

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4. 4
   Manohar KolaM.D.

   Cardiovascular Disease Physician · Decatur, IL

   899 Medicare Part D claims (2024)

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5. 5
   Asad ShahMD

   Internal Medicine Physician · Sycamore, IL

   854 Medicare Part D claims (2024)

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6. 6
   Erik EnglehartM.D.

   Family Medicine Physician · Sandwich, IL

   780 Medicare Part D claims (2024)

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7. 7
   John DowningDO

   Emergency Medicine Physician · Chicago, IL

   767 Medicare Part D claims (2024)

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8. 8
   Robert MaguireMD

   Internal Medicine Physician · Ottawa, IL

   705 Medicare Part D claims (2024)

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9. 9
   Darrin RayMD

   Family Medicine Physician · Gibson City, IL

   702 Medicare Part D claims (2024)

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10. 10
    Mark WargoM.D.

    Family Medicine Physician · Streator, IL

    652 Medicare Part D claims (2024)

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11. 11
    Philip BranshawMD

    Internal Medicine Physician · Batavia, IL

    624 Medicare Part D claims (2024)

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12. 12
    Eric BloemerMD

    Family Medicine Physician · Teutopolis, IL

    585 Medicare Part D claims (2024)

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13. 13
    Robert Danziger

    Cardiovascular Disease Physician · Chicago, IL

    559 Medicare Part D claims (2024)

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14. 14
    Pavinderpal GillM.D.

    Internal Medicine Physician · Taylorville, IL

    555 Medicare Part D claims (2024)

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15. 15
    Godwin D'SouzaM.D.

    Internal Medicine Physician · Chicago, IL

    551 Medicare Part D claims (2024)

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16. 16
    Peter JaggardMD

    Geriatric Medicine (Internal Medicine) Physician · Evanston, IL

    536 Medicare Part D claims (2024)

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17. 17
    Gregory NowakMD

    Cardiovascular Disease Physician · Rockford, IL

    518 Medicare Part D claims (2024)

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18. 18
    Vasil NikaM.D.

    Family Medicine Physician · Rockton, IL

    498 Medicare Part D claims (2024)

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19. 19
    Muhammad KhanMD

    Internal Medicine Physician · Decatur, IL

    492 Medicare Part D claims (2024)

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20. 20
    Anthony GriffinMD

    Internal Medicine Physician · Jacksonville, IL

    484 Medicare Part D claims (2024)

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21. 21
    Mark ShenM.D.

    Clinical Cardiac Electrophysiology Physician · Moline, IL

    471 Medicare Part D claims (2024)

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22. 22
    Dana BeyersCNP

    Family Nurse Practitioner · Downers Grove, IL

    464 Medicare Part D claims (2024)

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23. 23
    Michael NabolotnyMD

    Internal Medicine Physician · Chicago, IL

    439 Medicare Part D claims (2024)

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24. 24
    Theodore AddaiM.D.

    Cardiovascular Disease Physician · Decatur, IL

    438 Medicare Part D claims (2024)

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25. 25
    Ravinderpal NandraM.D.

    Internal Medicine Physician · Plano, IL

    427 Medicare Part D claims (2024)

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26. 26
    William CottsMD

    Advanced Heart Failure and Transplant Cardiology Physician · Oak Lawn, IL

    424 Medicare Part D claims (2024)

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27. 27
    Muhammad Asad AliMD,FACC,FSCAI

    Interventional Cardiology Physician · Elgin, IL

    423 Medicare Part D claims (2024)

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28. 28
    Elio VentoM.D.

    Internal Medicine Physician · Elgin, IL

    421 Medicare Part D claims (2024)

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29. 29
    Hina NawabM.D.

    Family Medicine Physician · Dekalb, IL

    415 Medicare Part D claims (2024)

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30. 30
    Jay HarmsMD

    Family Medicine Physician · Peoria, IL

    406 Medicare Part D claims (2024)

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31. 31
    Michael TarantinoMD

    Pediatric Hematology & Oncology Physician · Peoria, IL

    401 Medicare Part D claims (2024)

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32. 32
    Schuyler Stone

    Internal Medicine Physician · Springfield, IL

    399 Medicare Part D claims (2024)

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33. 33
    Dennis CarrollM.D.

    Family Medicine Physician · Lincoln, IL

    386 Medicare Part D claims (2024)

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34. 34
    Thomas HeischmidtM.D.

    Internal Medicine Physician · Effingham, IL

    371 Medicare Part D claims (2024)

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35. 35
    Shara FrankenfeldAPN, CNS-BC

    Gerontology Clinical Nurse Specialist · Evanston, IL

    367 Medicare Part D claims (2024)

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36. 36
    Shakeel AhmadM.D.

    Internal Medicine Physician · Sycamore, IL

    366 Medicare Part D claims (2024)

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37. 37
    Luis CaceresM.D.

    Cardiovascular Disease Physician · Decatur, IL

    365 Medicare Part D claims (2024)

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38. 38
    Katherine KatsoyannisM.D.

    Specialist · Park Ridge, IL

    357 Medicare Part D claims (2024)

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39. 39
    Faisal BukhariMD SC

    Internal Medicine Physician · Sullivan, IL

    352 Medicare Part D claims (2024)

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40. 40
    Shannon RiderMD

    Internal Medicine Physician · Herrin, IL

    346 Medicare Part D claims (2024)

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41. 41
    Zlatko HavericM.D.

    Internal Medicine Physician · Jolie, IL

    341 Medicare Part D claims (2024)

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42. 42
    Roger SloanM.D.

    Family Medicine Physician · Galesburg, IL

    334 Medicare Part D claims (2024)

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43. 43
    Hamid SaghaMD

    Emergency Medicine Physician · Decatur, IL

    333 Medicare Part D claims (2024)

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44. 44
    Gurbax SainiMD

    Internal Medicine Physician · Island Lake, IL

    331 Medicare Part D claims (2024)

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45. 45
    Scott MarrusMD

    Cardiovascular Disease Physician · O Fallon, IL

    327 Medicare Part D claims (2024)

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46. 46
    Jeff KornFNP

    Family Nurse Practitioner · Vernon Hills, IL

    327 Medicare Part D claims (2024)

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47. 47
    Richard DelvalleM.D.

    Internal Medicine Physician · Taylorville, IL

    324 Medicare Part D claims (2024)

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48. 48
    Joseph StellaD.O.

    Interventional Cardiology Physician · Mokena, IL

    321 Medicare Part D claims (2024)

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49. 49
    Thomas HalloranMD

    Internal Medicine Physician · Danville, IL

    320 Medicare Part D claims (2024)

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50. 50
    Christopher HughesM.D.

    Family Medicine Physician · Eureka, IL

    319 Medicare Part D claims (2024)

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Medicare Part D only. Counts and ordering reflect Medicare Part D claims (2024) from CMS — they exclude cash-pay, commercial, and Medicaid prescriptions and undercount cash-pay categories (e.g. GLP-1 weight-loss, testosterone). Not a quality or "best" ranking. Absence does not mean a provider does not prescribe warfarin. Source: CMS NPPES (June 2026).