Metformin (Glucophage, Fortamet) Prescribers in Iowa

1. 1
   Michael O'ConnerDO

   Internal Medicine Physician · Des Moines, IA

   930 Medicare Part D claims (2024)

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2. 2
   Dale GrunewaldD.O.

   Family Medicine Physician · West Des Moines, IA

   923 Medicare Part D claims (2024)

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3. 3
   Wendy SandersARNP

   Nurse Practitioner · Cedar Rapids, IA

   862 Medicare Part D claims (2024)

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4. 4
   Amy McdermottARNP

   Family Nurse Practitioner · Dubuque, IA

   787 Medicare Part D claims (2024)

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5. 5
   Abbey ModlinARNP

   Nurse Practitioner · Des Moines, IA

   758 Medicare Part D claims (2024)

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6. 6
   Steve ScurrD.O.

   Family Medicine Physician · Conrad, IA

   733 Medicare Part D claims (2024)

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7. 7
   Richard CaranoMD

   Endocrinology, Diabetes & Metabolism Physician · Ames, IA

   726 Medicare Part D claims (2024)

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8. 8
   Scott BrockM.D.

   Endocrinology, Diabetes & Metabolism Physician · Dubuque, IA

   723 Medicare Part D claims (2024)

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9. 9
   Shipeng WeiMD

   Internal Medicine Physician · Des Moines, IA

   706 Medicare Part D claims (2024)

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10. 10
    Melissa BattARNP

    Adult Health Nurse Practitioner · Des Moines, IA

    691 Medicare Part D claims (2024)

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11. 11
    Suheil BarakatM.D.

    Internal Medicine Physician · Clinton, IA

    681 Medicare Part D claims (2024)

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12. 12
    Robert FloydD.O.

    Internal Medicine Physician · Bloomfield, IA

    644 Medicare Part D claims (2024)

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13. 13
    Robert ConnerDO

    Geriatric Medicine (Family Medicine) Physician · West Des Moines, IA

    630 Medicare Part D claims (2024)

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14. 14
    Stanley MathewM.D.

    Physical Medicine & Rehabilitation Physician · Cedar Rapids, IA

    614 Medicare Part D claims (2024)

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15. 15
    Dustin SmithMD

    Family Medicine Physician · Eagle Grove, IA

    603 Medicare Part D claims (2024)

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16. 16
    Zhengjin CaoM.D.

    Internal Medicine Physician · Dubuque, IA

    586 Medicare Part D claims (2024)

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17. 17
    John BirkettMD

    Family Medicine Physician · Fort Dodge, IA

    571 Medicare Part D claims (2024)

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18. 18
    Pomilla KumarM.D.

    Family Medicine Physician · Bettendorf, IA

    565 Medicare Part D claims (2024)

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19. 19
    Dale SteinmetzMD

    Family Medicine Physician · Clive, IA

    563 Medicare Part D claims (2024)

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20. 20
    Kyle GlienkeMD

    Family Medicine Physician · Storm Lake, IA

    560 Medicare Part D claims (2024)

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21. 21
    Tze ChanDO

    Internal Medicine Physician · Newton, IA

    533 Medicare Part D claims (2024)

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22. 22
    Anis AnsariM.D.

    Nephrology Physician · Clinton, IA

    518 Medicare Part D claims (2024)

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23. 23
    Joy SchraderARNP

    Nurse Practitioner · Mason City, IA

    492 Medicare Part D claims (2024)

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24. 24
    David Wenger-KellerMD

    Family Medicine Physician · Fort Madison, IA

    482 Medicare Part D claims (2024)

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25. 25
    Clete YoungerM.D.

    Family Medicine Physician · Cedar Rapids, IA

    481 Medicare Part D claims (2024)

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26. 26
    Nicholas MancusoMD

    Internal Medicine Physician · Iowa City, IA

    481 Medicare Part D claims (2024)

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27. 27
    Mark JohnsonMD

    Internal Medicine Physician · Mason City, IA

    477 Medicare Part D claims (2024)

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28. 28
    John HilsabeckM.D.

    Family Medicine Physician · Spencer, IA

    474 Medicare Part D claims (2024)

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29. 29
    Steven ReevesMD

    Internal Medicine Physician · Creston, IA

    473 Medicare Part D claims (2024)

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30. 30
    Alexander LocascioDO

    Family Medicine Physician · Davenport, IA

    472 Medicare Part D claims (2024)

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31. 31
    Todd ButlerMD

    Internal Medicine Physician · Cedar Rapids, IA

    472 Medicare Part D claims (2024)

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32. 32
    Vinko BogdanicM.D.

    Internal Medicine Physician · Waterloo, IA

    468 Medicare Part D claims (2024)

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33. 33
    Jeffrey NasstromDO

    Family Medicine Physician · Osage, IA

    467 Medicare Part D claims (2024)

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34. 34
    Packy HuettmanDO

    Family Medicine Physician · Davenport, IA

    467 Medicare Part D claims (2024)

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35. 35
    Todd WenckMD

    Family Medicine Physician · Bettendorf, IA

    466 Medicare Part D claims (2024)

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36. 36
    Michael AbouassalyM.D.

    Family Medicine Physician · West Burlington, IA

    462 Medicare Part D claims (2024)

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37. 37
    Roseller LibarnesMD

    Internal Medicine Physician · Fort Madison, IA

    458 Medicare Part D claims (2024)

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38. 38
    Brian MeekerD.O.

    Family Medicine Physician · Vinton, IA

    457 Medicare Part D claims (2024)

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39. 39
    Candice SmithMD

    Family Medicine Physician · Indianola, IA

    455 Medicare Part D claims (2024)

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40. 40
    Dallas SandersPA-C

    Medical Physician Assistant · Des Moines, IA

    453 Medicare Part D claims (2024)

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41. 41
    Melinda SmithM.D.

    Internal Medicine Physician · Muscatine, IA

    451 Medicare Part D claims (2024)

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42. 42
    Maria OlberdingM.D.

    Family Medicine Physician · Marshalltown, IA

    449 Medicare Part D claims (2024)

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43. 43
    Frederick OvromMD

    Internal Medicine Physician · Coralville, IA

    448 Medicare Part D claims (2024)

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44. 44
    Bryce RobisonMD

    Family Medicine Physician · Sioux City, IA

    446 Medicare Part D claims (2024)

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45. 45
    Travis WittM.D.

    Family Medicine Physician · Spencer, IA

    445 Medicare Part D claims (2024)

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46. 46
    Steven BascomMD

    Family Medicine Physician · Guthrie Center, IA

    444 Medicare Part D claims (2024)

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47. 47
    Trisha SheeleyMD

    Internal Medicine Physician · Cedar Rapids, IA

    440 Medicare Part D claims (2024)

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48. 48
    Eric AshMD

    Family Medicine Physician · Perry, IA

    440 Medicare Part D claims (2024)

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49. 49
    Beau WaddellMD

    Family Medicine Physician · Hawarden, IA

    439 Medicare Part D claims (2024)

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50. 50
    Lazaro RabangMD

    Internal Medicine Physician · Urbandale, IA

    437 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 metformin. Source: CMS NPPES (June 2026).