NPI Central

Metformin (Glucophage, Fortamet) Prescribers in District of Columbia

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

637 providers in District of Columbia 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 DC
637
Data year
2024
Registry vintage
June 2026

metformin prescribers in District of Columbia

Ranked by Part D claim volume.
  1. 1

    Internal Medicine Physician · Washington, DC

    525 Medicare Part D claims (2024)

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  2. 2

    Internal Medicine Physician · Washington, DC

    471 Medicare Part D claims (2024)

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  3. 3

    Internal Medicine Physician · Washington, DC

    405 Medicare Part D claims (2024)

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  4. 4

    Endocrinology, Diabetes & Metabolism Physician · Washington, DC

    368 Medicare Part D claims (2024)

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  5. 5

    Internal Medicine Physician · Washington, DC

    360 Medicare Part D claims (2024)

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  6. 6

    Endocrinology, Diabetes & Metabolism Physician · Washington, DC

    340 Medicare Part D claims (2024)

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  7. 7

    Internal Medicine Physician · Washington, DC

    316 Medicare Part D claims (2024)

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  8. 8

    Internal Medicine Physician · Washington, DC

    316 Medicare Part D claims (2024)

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  9. 9

    Family Medicine Physician · Washington, DC

    292 Medicare Part D claims (2024)

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  10. 10
    Jessica HaffordDNP, AGACNP-BC

    Acute Care Nurse Practitioner · Washington, DC

    287 Medicare Part D claims (2024)

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  11. 11

    Internal Medicine Physician · Washington, DC

    283 Medicare Part D claims (2024)

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  12. 12

    Endocrinology, Diabetes & Metabolism Physician · Washington, DC

    282 Medicare Part D claims (2024)

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  13. 13

    Family Medicine Physician · Washington, DC

    278 Medicare Part D claims (2024)

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  14. 14

    Internal Medicine Physician · Washington, DC

    272 Medicare Part D claims (2024)

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  15. 15

    Family Medicine Physician · Washington, DC

    268 Medicare Part D claims (2024)

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  16. 16

    Cardiovascular Disease Physician · Washington, DC

    252 Medicare Part D claims (2024)

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  17. 17

    Family Medicine Physician · Washington, DC

    247 Medicare Part D claims (2024)

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  18. 18

    Family Medicine Physician · Washington, DC

    247 Medicare Part D claims (2024)

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  19. 19

    Internal Medicine Physician · Washington, DC

    247 Medicare Part D claims (2024)

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  20. 20

    Family Medicine Physician · Washington, DC

    244 Medicare Part D claims (2024)

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  21. 21

    Family Medicine Physician · Washington, DC

    244 Medicare Part D claims (2024)

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  22. 22

    Family Medicine Physician · Washington, DC

    241 Medicare Part D claims (2024)

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  23. 23

    Geriatric Medicine (Internal Medicine) Physician · Washington, DC

    240 Medicare Part D claims (2024)

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  24. 24

    Specialist · Washington, DC

    240 Medicare Part D claims (2024)

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  25. 25

    Family Medicine Physician · Washington, DC

    235 Medicare Part D claims (2024)

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  26. 26

    Internal Medicine Physician · Washington, DC

    235 Medicare Part D claims (2024)

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  27. 27

    Internal Medicine Physician · Washington, DC

    230 Medicare Part D claims (2024)

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  28. 28

    Internal Medicine Physician · Washington, DC

    229 Medicare Part D claims (2024)

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  29. 29
    James YangMD, MPH

    Internal Medicine Physician · Washington, DC

    224 Medicare Part D claims (2024)

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  30. 30

    Family Medicine Physician · Washington, DC

    218 Medicare Part D claims (2024)

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  31. 31

    Internal Medicine Physician · Washington, DC

    216 Medicare Part D claims (2024)

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  32. 32

    General Practice Physician · Washington, DC

    214 Medicare Part D claims (2024)

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  33. 33

    Internal Medicine Physician · Washington, DC

    214 Medicare Part D claims (2024)

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  34. 34

    Geriatric Medicine (Internal Medicine) Physician · Washington, DC

    214 Medicare Part D claims (2024)

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  35. 35

    Family Medicine Physician · Washington, DC

    213 Medicare Part D claims (2024)

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  36. 36

    Internal Medicine Physician · Washington, DC

    211 Medicare Part D claims (2024)

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  37. 37

    Endocrinology, Diabetes & Metabolism Physician · Washington, DC

    211 Medicare Part D claims (2024)

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  38. 38

    Internal Medicine Physician · Washington, DC

    208 Medicare Part D claims (2024)

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  39. 39

    Cardiovascular Disease Physician · Washington, DC

    202 Medicare Part D claims (2024)

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  40. 40

    Internal Medicine Physician · Washington, DC

    201 Medicare Part D claims (2024)

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  41. 41

    Internal Medicine Physician · Washington, DC

    200 Medicare Part D claims (2024)

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  42. 42

    Student in an Organized Health Care Education/Training Program · Washington, DC

    197 Medicare Part D claims (2024)

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  43. 43
    Daniel Omire-MayorD.O., M.S., M.B.A.

    Family Medicine Physician · Washington, DC

    196 Medicare Part D claims (2024)

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  44. 44

    Internal Medicine Physician · Washington, DC

    195 Medicare Part D claims (2024)

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  45. 45

    Internal Medicine Physician · Washington, DC

    192 Medicare Part D claims (2024)

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  46. 46

    Internal Medicine Physician · Washington, DC

    191 Medicare Part D claims (2024)

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  47. 47

    Family Medicine Physician · Washington, DC

    189 Medicare Part D claims (2024)

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  48. 48

    Internal Medicine Physician · Washington, DC

    188 Medicare Part D claims (2024)

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  49. 49

    Family Medicine Physician · Washington, DC

    188 Medicare Part D claims (2024)

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  50. 50

    Endocrinology, Diabetes & Metabolism Physician · Washington, DC

    187 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).