Levothyroxine (Synthroid, Levoxyl) Prescribers in Illinois

1. 1
   Michael AhearnMD

   Family Medicine Physician · Kewanee, IL

   4,359 Medicare Part D claims (2024)

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2. 2
   Charles AmpaduMD

   Internal Medicine Physician · Swansea, IL

   3,139 Medicare Part D claims (2024)

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3. 3
   Philip BranshawMD

   Internal Medicine Physician · Batavia, IL

   3,121 Medicare Part D claims (2024)

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4. 4
   Godwin D'SouzaM.D.

   Internal Medicine Physician · Chicago, IL

   2,582 Medicare Part D claims (2024)

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5. 5
   Ziad MusaitifDO

   Family Medicine Physician · Peoria, IL

   2,417 Medicare Part D claims (2024)

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6. 6
   Thomas MichalsenD.O.

   General Practice Physician · Kirkland, IL

   2,319 Medicare Part D claims (2024)

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7. 7
   Erik EnglehartM.D.

   Family Medicine Physician · Sandwich, IL

   2,131 Medicare Part D claims (2024)

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8. 8
   Amer KassarMD

   Endocrinology, Diabetes & Metabolism Physician · Dekalb, IL

   2,129 Medicare Part D claims (2024)

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9. 9
   Steven BielskiM.D.

   Endocrinology, Diabetes & Metabolism Physician · Geneva, IL

   2,036 Medicare Part D claims (2024)

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10. 10
    Tom KleinMD

    Internal Medicine Physician · Riverwoods, IL

    2,004 Medicare Part D claims (2024)

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11. 11
    Dhaval ThakkarM.D.

    Internal Medicine Physician · Sycamore, IL

    1,974 Medicare Part D claims (2024)

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12. 12
    Darrin RayMD

    Family Medicine Physician · Gibson City, IL

    1,948 Medicare Part D claims (2024)

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13. 13
    Afshan HameeduddinMD

    Family Medicine Physician · Schaumburg, IL

    1,888 Medicare Part D claims (2024)

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14. 14
    Erin DominiakM.D.

    Family Medicine Physician · Park Ridge, IL

    1,880 Medicare Part D claims (2024)

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15. 15
    Lawrence AmatoM.D.

    Internal Medicine Physician · Grayslake, IL

    1,832 Medicare Part D claims (2024)

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16. 16
    Katherine KatsoyannisM.D.

    Specialist · Park Ridge, IL

    1,782 Medicare Part D claims (2024)

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17. 17
    Vadim EdelsteinM.D.

    Internal Medicine Physician · Skokie, IL

    1,781 Medicare Part D claims (2024)

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18. 18
    Shannon RiderMD

    Internal Medicine Physician · Herrin, IL

    1,770 Medicare Part D claims (2024)

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19. 19
    Chandra AnandMD

    Internal Medicine Physician · Chicago, IL

    1,764 Medicare Part D claims (2024)

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20. 20
    Regina WalkerMD

    Otolaryngology Physician · Western Springs, IL

    1,760 Medicare Part D claims (2024)

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21. 21
    Sandeep KalraM.D.

    Internal Medicine Physician · Naperville, IL

    1,758 Medicare Part D claims (2024)

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22. 22
    Aliya NaseerMD

    Endocrinology, Diabetes & Metabolism Physician · Loves Park, IL

    1,635 Medicare Part D claims (2024)

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23. 23
    Vivek GuptaM.D.

    Internal Medicine Physician · Chicago, IL

    1,625 Medicare Part D claims (2024)

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24. 24
    Rajiv SoodMD

    Internal Medicine Physician · Hoffman Estates, IL

    1,620 Medicare Part D claims (2024)

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25. 25
    Pavinderpal GillM.D.

    Internal Medicine Physician · Taylorville, IL

    1,601 Medicare Part D claims (2024)

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26. 26
    Ruksana PapaM.D.

    Internal Medicine Physician · Arlington Heights, IL

    1,594 Medicare Part D claims (2024)

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27. 27
    Sameer AnsarM.D.

    Endocrinology, Diabetes & Metabolism Physician · Rockford, IL

    1,591 Medicare Part D claims (2024)

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28. 28
    Hady Sfeir

    Endocrinology, Diabetes & Metabolism Physician · Peoria, IL

    1,574 Medicare Part D claims (2024)

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29. 29
    Sami ZabanehM.D.

    Internal Medicine Physician · Champaign, IL

    1,570 Medicare Part D claims (2024)

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30. 30
    Patricia StringerMD

    Specialist · Arlington Heights, IL

    1,548 Medicare Part D claims (2024)

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31. 31
    Alexander PoterminM.D.

    Family Medicine Physician · Buffalo Grove, IL

    1,531 Medicare Part D claims (2024)

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32. 32
    Jeff KornFNP

    Family Nurse Practitioner · Vernon Hills, IL

    1,524 Medicare Part D claims (2024)

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33. 33
    Hima AtluriMD

    Geriatric Medicine (Internal Medicine) Physician · Decatur, IL

    1,517 Medicare Part D claims (2024)

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34. 34
    William BayerMD

    Endocrinology, Diabetes & Metabolism Physician · Carol Stream, IL

    1,507 Medicare Part D claims (2024)

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35. 35
    Daniel SoM.D.

    Endocrinology, Diabetes & Metabolism Physician · Arlington Heights, IL

    1,499 Medicare Part D claims (2024)

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36. 36
    Vasil NikaM.D.

    Family Medicine Physician · Rockton, IL

    1,428 Medicare Part D claims (2024)

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37. 37
    Amer RahmanM.D.

    Endocrinology, Diabetes & Metabolism Physician · Elgin, IL

    1,412 Medicare Part D claims (2024)

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38. 38
    Noorun KhanM.D.

    Internal Medicine Physician · Palos Heights, IL

    1,410 Medicare Part D claims (2024)

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39. 39
    Grant SievertsenMD

    Endocrinology, Diabetes & Metabolism Physician · Hinsdale, IL

    1,398 Medicare Part D claims (2024)

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40. 40
    Rameshkumar RamanM.D.

    Endocrinology, Diabetes & Metabolism Physician · Moline, IL

    1,365 Medicare Part D claims (2024)

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41. 41
    Issa AbedmahmoudMD

    Endocrinology, Diabetes & Metabolism Physician · Herrin, IL

    1,358 Medicare Part D claims (2024)

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42. 42
    Ilya FishmanM.D.

    Geriatric Medicine (Internal Medicine) Physician · Elk Grove Village, IL

    1,357 Medicare Part D claims (2024)

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43. 43
    Karim TourkM.D.

    Internal Medicine Physician · Naperville, IL

    1,353 Medicare Part D claims (2024)

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44. 44
    Asad ShahMD

    Internal Medicine Physician · Sycamore, IL

    1,351 Medicare Part D claims (2024)

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45. 45
    Elio VentoM.D.

    Internal Medicine Physician · Elgin, IL

    1,348 Medicare Part D claims (2024)

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46. 46
    Kevin HazardM.D.

    Endocrinology, Diabetes & Metabolism Physician · Springfield, IL

    1,340 Medicare Part D claims (2024)

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47. 47
    Alex SanchezM.D.

    Geriatric Medicine (Internal Medicine) Physician · Elgin, IL

    1,322 Medicare Part D claims (2024)

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48. 48
    Maan BarhoumM.D.

    Endocrinology, Diabetes & Metabolism Physician · Libertyville, IL

    1,311 Medicare Part D claims (2024)

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49. 49
    Mohammad SiddiqueM. D.

    Hospitalist Physician · Downers Grove, IL

    1,308 Medicare Part D claims (2024)

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50. 50
    Christopher HansonM.D., M.B.A

    Family Medicine Physician · Carbondale, IL

    1,298 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 levothyroxine. Source: CMS NPPES (June 2026).