NPI Central

Metformin (Glucophage, Fortamet) Prescribers in Ohio

Ranked by documented Medicare Part D claim volume (2024).

9,511 providers in Ohio have Medicare Part D claims for metformin. Ordering reflects documented Part D claim volume — a transparency signal, not a quality or "best" ranking. Open any provider for their full profile and what they prescribe under Medicare.

Prescribers in OH
9,511
Data year
2024
Registry vintage
June 2026

metformin prescribers in Ohio

Ranked by Part D claim volume.
  1. 1

    Specialist · Mayfield Heights, OH

    2,132 Medicare Part D claims (2024)

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  2. 2

    Internal Medicine Physician · Blanchester, OH

    1,668 Medicare Part D claims (2024)

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  3. 3

    Family Medicine Physician · Westerville, OH

    1,573 Medicare Part D claims (2024)

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  4. 4

    Geriatric Medicine (Family Medicine) Physician · Oakwood, OH

    1,487 Medicare Part D claims (2024)

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  5. 5

    Internal Medicine Physician · Canal Winchester, OH

    1,413 Medicare Part D claims (2024)

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  6. 6

    Endocrinology, Diabetes & Metabolism Physician · Willoughby, OH

    1,312 Medicare Part D claims (2024)

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  7. 7

    Internal Medicine Physician · Cincinnati, OH

    1,296 Medicare Part D claims (2024)

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  8. 8

    Family Medicine Physician · Eaton, OH

    1,267 Medicare Part D claims (2024)

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  9. 9

    Internal Medicine Physician · Mentor, OH

    1,121 Medicare Part D claims (2024)

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  10. 10

    Internal Medicine Physician · Bedford, OH

    1,110 Medicare Part D claims (2024)

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  11. 11

    Internal Medicine Physician · Parma, OH

    1,065 Medicare Part D claims (2024)

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  12. 12

    Internal Medicine Physician · Mason, OH

    1,031 Medicare Part D claims (2024)

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  13. 13

    Endocrinology, Diabetes & Metabolism Physician · Canton, OH

    1,029 Medicare Part D claims (2024)

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  14. 14

    Internal Medicine Physician · Youngstown, OH

    1,018 Medicare Part D claims (2024)

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  15. 15

    Family Medicine Physician · Canal Fulton, OH

    979 Medicare Part D claims (2024)

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  16. 16

    Internal Medicine Physician · Columbus, OH

    978 Medicare Part D claims (2024)

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  17. 17

    Hospitalist Physician · Kettering, OH

    953 Medicare Part D claims (2024)

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  18. 18

    Endocrinology, Diabetes & Metabolism Physician · Lorain, OH

    948 Medicare Part D claims (2024)

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  19. 19

    Internal Medicine Physician · Canton, OH

    941 Medicare Part D claims (2024)

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  20. 20

    Geriatric Medicine (Internal Medicine) Physician · Canton, OH

    932 Medicare Part D claims (2024)

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  21. 21

    Endocrinology, Diabetes & Metabolism Physician · Mayfield Hts, OH

    922 Medicare Part D claims (2024)

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  22. 22

    Acute Care Nurse Practitioner · Warrensville Heights, OH

    915 Medicare Part D claims (2024)

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  23. 23

    Geriatric Medicine (Internal Medicine) Physician · Cincinnati, OH

    911 Medicare Part D claims (2024)

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  24. 24

    Family Medicine Physician · Lancaster, OH

    907 Medicare Part D claims (2024)

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  25. 25

    Endocrinology, Diabetes & Metabolism Physician · Steubenville, OH

    898 Medicare Part D claims (2024)

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  26. 26

    Family Medicine Physician · Brooklyn, OH

    893 Medicare Part D claims (2024)

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  27. 27

    Internal Medicine Physician · Peebles, OH

    892 Medicare Part D claims (2024)

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  28. 28

    Family Medicine Physician · Canton, OH

    890 Medicare Part D claims (2024)

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  29. 29

    Internal Medicine Physician · Warren, OH

    888 Medicare Part D claims (2024)

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  30. 30

    Internal Medicine Physician · Marion, OH

    883 Medicare Part D claims (2024)

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  31. 31

    Endocrinology, Diabetes & Metabolism Physician · Oakwood, OH

    876 Medicare Part D claims (2024)

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  32. 32

    Internal Medicine Physician · Cincinnati, OH

    842 Medicare Part D claims (2024)

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  33. 33

    Internal Medicine Physician · Lorain, OH

    831 Medicare Part D claims (2024)

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  34. 34

    Endocrinology, Diabetes & Metabolism Physician · Boardman, OH

    831 Medicare Part D claims (2024)

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  35. 35

    Internal Medicine Physician · Cleveland, OH

    825 Medicare Part D claims (2024)

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  36. 36

    Family Medicine Physician · Xenia, OH

    824 Medicare Part D claims (2024)

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  37. 37

    Family Medicine Physician · Camden, OH

    820 Medicare Part D claims (2024)

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  38. 38

    Family Medicine Physician · Lima, OH

    795 Medicare Part D claims (2024)

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  39. 39

    Nurse Practitioner · Galloway, OH

    793 Medicare Part D claims (2024)

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  40. 40

    Internal Medicine Physician · Mentor, OH

    791 Medicare Part D claims (2024)

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  41. 41

    Internal Medicine Physician · Amherst, OH

    789 Medicare Part D claims (2024)

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  42. 42

    Family Medicine Physician · Amherst, OH

    786 Medicare Part D claims (2024)

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  43. 43

    Internal Medicine Physician · Piqua, OH

    780 Medicare Part D claims (2024)

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  44. 44

    Internal Medicine Physician · Akron, OH

    779 Medicare Part D claims (2024)

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  45. 45

    Internal Medicine Physician · Tiffin, OH

    775 Medicare Part D claims (2024)

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  46. 46

    Family Medicine Physician · Canton, OH

    771 Medicare Part D claims (2024)

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  47. 47

    Internal Medicine Physician · Ashland, OH

    767 Medicare Part D claims (2024)

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  48. 48

    Internal Medicine Physician · Boardman, OH

    761 Medicare Part D claims (2024)

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  49. 49

    Internal Medicine Physician · Cleveland, OH

    759 Medicare Part D claims (2024)

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  50. 50

    Internal Medicine Physician · Marietta, OH

    749 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).