NPI Central

Hydroxychloroquine (Plaquenil) Prescribers in Maryland

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

376 providers in Maryland have Medicare Part D claims for hydroxychloroquine. 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 MD
376
Data year
2024
Registry vintage
June 2026

hydroxychloroquine prescribers in Maryland

Ranked by Part D claim volume.
  1. 1

    Rheumatology Physician · Salisbury, MD

    853 Medicare Part D claims (2024)

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  2. 2

    Rheumatology Physician · Baltimore, MD

    755 Medicare Part D claims (2024)

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  3. 3

    Rheumatology Physician · Catonsville, MD

    544 Medicare Part D claims (2024)

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  4. 4

    Rheumatology Physician · Baltimore, MD

    518 Medicare Part D claims (2024)

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  5. 5

    Rheumatology Physician · Westminster, MD

    515 Medicare Part D claims (2024)

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  6. 6

    Rheumatology Physician · Baltimore, MD

    466 Medicare Part D claims (2024)

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  7. 7

    Medical Physician Assistant · Salisbury, MD

    415 Medicare Part D claims (2024)

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  8. 8

    Rheumatology Physician · Clinton, MD

    402 Medicare Part D claims (2024)

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  9. 9

    Rheumatology Physician · Catonsville, MD

    390 Medicare Part D claims (2024)

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  10. 10

    Rheumatology Physician · Catonsville, MD

    387 Medicare Part D claims (2024)

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  11. 11

    Medical Physician Assistant · Hagerstown, MD

    373 Medicare Part D claims (2024)

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  12. 12

    Rheumatology Physician · Annapolis, MD

    372 Medicare Part D claims (2024)

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  13. 13

    Rheumatology Physician · Baltimore, MD

    354 Medicare Part D claims (2024)

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  14. 14

    Rheumatology Physician · Baltimore, MD

    353 Medicare Part D claims (2024)

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  15. 15

    Rheumatology Physician · Easton, MD

    327 Medicare Part D claims (2024)

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  16. 16
    Kalonji CollinsM.D., PH.D.

    Rheumatology Physician · Halethorpe, MD

    319 Medicare Part D claims (2024)

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  17. 17

    Rheumatology Physician · Berlin, MD

    316 Medicare Part D claims (2024)

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  18. 18

    Rheumatology Physician · Baltimore, MD

    314 Medicare Part D claims (2024)

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  19. 19

    Rheumatology Physician · Catonsville, MD

    306 Medicare Part D claims (2024)

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  20. 20

    Specialist · Catonsville, MD

    300 Medicare Part D claims (2024)

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  21. 21

    Physician Assistant · Cambridge, MD

    286 Medicare Part D claims (2024)

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  22. 22

    Rheumatology Physician · Hollywood, MD

    280 Medicare Part D claims (2024)

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  23. 23

    Rheumatology Physician · Hollywood, MD

    271 Medicare Part D claims (2024)

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  24. 24

    Rheumatology Physician · Largo, MD

    264 Medicare Part D claims (2024)

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  25. 25

    Rheumatology Physician · Baltimore, MD

    264 Medicare Part D claims (2024)

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  26. 26

    Rheumatology Physician · Annapolis, MD

    261 Medicare Part D claims (2024)

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  27. 27

    Rheumatology Physician · Greenbelt, MD

    260 Medicare Part D claims (2024)

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  28. 28

    Rheumatology Physician · Catonsville, MD

    258 Medicare Part D claims (2024)

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  29. 29

    Rheumatology Physician · Crofton, MD

    255 Medicare Part D claims (2024)

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  30. 30

    Rheumatology Physician · Westminster, MD

    250 Medicare Part D claims (2024)

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  31. 31

    Rheumatology Physician · Easton, MD

    245 Medicare Part D claims (2024)

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  32. 32

    Rheumatology Physician · Greenbelt, MD

    242 Medicare Part D claims (2024)

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  33. 33

    Family Nurse Practitioner · Lavale, MD

    238 Medicare Part D claims (2024)

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  34. 34

    Rheumatology Physician · Hagerstown, MD

    232 Medicare Part D claims (2024)

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  35. 35

    Rheumatology Physician · Baltimore, MD

    228 Medicare Part D claims (2024)

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  36. 36

    Rheumatology Physician · Frederick, MD

    219 Medicare Part D claims (2024)

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  37. 37

    Rheumatology Physician · Baltimore, MD

    218 Medicare Part D claims (2024)

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  38. 38

    Rheumatology Physician · Frederick, MD

    209 Medicare Part D claims (2024)

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  39. 39

    Rheumatology Physician · Baltimore, MD

    206 Medicare Part D claims (2024)

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  40. 40

    Rheumatology Physician · Millersville, MD

    206 Medicare Part D claims (2024)

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  41. 41

    Physician Assistant · Salisbury, MD

    199 Medicare Part D claims (2024)

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  42. 42

    Rheumatology Physician · Bel Air, MD

    197 Medicare Part D claims (2024)

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  43. 43

    Rheumatology Physician · Clinton, MD

    196 Medicare Part D claims (2024)

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  44. 44

    Specialist · Kensington, MD

    194 Medicare Part D claims (2024)

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  45. 45

    Rheumatology Physician · Rockville, MD

    194 Medicare Part D claims (2024)

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  46. 46

    Rheumatology Physician · Lutherville, MD

    190 Medicare Part D claims (2024)

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  47. 47

    Rheumatology Physician · Columbia, MD

    190 Medicare Part D claims (2024)

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  48. 48

    Rheumatology Physician · Baltimore, MD

    190 Medicare Part D claims (2024)

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  49. 49

    Rheumatology Physician · Bel Air, MD

    181 Medicare Part D claims (2024)

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  50. 50

    Rheumatology Physician · Frederick, MD

    168 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 hydroxychloroquine. Source: CMS NPPES (June 2026).