NPI Central

Buprenorphine (Subutex, Belbuca, Sublocade) Prescribers in California

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

1,719 providers in California have Medicare Part D claims for buprenorphine. 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 CA
1,719
Data year
2024
Registry vintage
June 2026

buprenorphine prescribers in California

Ranked by Part D claim volume.
  1. 1

    Pain Medicine (Anesthesiology) Physician · San Mateo, CA

    2,251 Medicare Part D claims (2024)

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  2. 2

    Family Nurse Practitioner · Lafayette, CA

    1,516 Medicare Part D claims (2024)

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  3. 3

    Pharmacist · Union City, CA

    1,062 Medicare Part D claims (2024)

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  4. 4

    Family Nurse Practitioner · Oroville, CA

    923 Medicare Part D claims (2024)

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  5. 5
    Becky SituPHARM.D.

    Pharmacist · San Jose, CA

    704 Medicare Part D claims (2024)

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  6. 6

    Family Nurse Practitioner · Mountain View, CA

    634 Medicare Part D claims (2024)

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  7. 7

    Pharmacist · San Jose, CA

    632 Medicare Part D claims (2024)

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  8. 8

    Pain Medicine (Physical Medicine & Rehabilitation) Physician · Visalia, CA

    624 Medicare Part D claims (2024)

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  9. 9

    Physician Assistant · Fountain Valley, CA

    593 Medicare Part D claims (2024)

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  10. 10

    Family Nurse Practitioner · Palo Alto, CA

    591 Medicare Part D claims (2024)

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  11. 11

    Pain Medicine (Anesthesiology) Physician · San Diego, CA

    582 Medicare Part D claims (2024)

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  12. 12

    Pain Medicine (Anesthesiology) Physician · Roseville, CA

    505 Medicare Part D claims (2024)

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  13. 13

    Hospice and Palliative Medicine (Internal Medicine) Physician · Santa Cruz, CA

    486 Medicare Part D claims (2024)

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  14. 14

    Family Nurse Practitioner · Atascadero, CA

    482 Medicare Part D claims (2024)

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  15. 15

    Pain Medicine Physician · San Diego, CA

    468 Medicare Part D claims (2024)

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  16. 16

    Nurse Practitioner · Visalia, CA

    456 Medicare Part D claims (2024)

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  17. 17

    Family Nurse Practitioner · Truckee, CA

    440 Medicare Part D claims (2024)

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  18. 18

    Spinal Cord Injury Medicine Physician · Fresno, CA

    415 Medicare Part D claims (2024)

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  19. 19

    Medical Physician Assistant · Monterey, CA

    413 Medicare Part D claims (2024)

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  20. 20

    Physician Assistant · Chula Vista, CA

    409 Medicare Part D claims (2024)

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  21. 21

    Pain Medicine (Physical Medicine & Rehabilitation) Physician · Sacramento, CA

    394 Medicare Part D claims (2024)

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  22. 22

    Pharmacist · Santa Rosa, CA

    393 Medicare Part D claims (2024)

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  23. 23
    Ryan NakasoneD.C., P.A.-C

    Physician Assistant · Oxnard, CA

    384 Medicare Part D claims (2024)

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  24. 24
    Hana RenorC.F.N.P.

    Family Nurse Practitioner · Half Moon Bay, CA

    378 Medicare Part D claims (2024)

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  25. 25

    Family Nurse Practitioner · Roseville, CA

    369 Medicare Part D claims (2024)

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  26. 26

    Family Nurse Practitioner · Roseville, CA

    346 Medicare Part D claims (2024)

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  27. 27

    Physician Assistant · Pleasant Hill, CA

    342 Medicare Part D claims (2024)

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  28. 28

    Internal Medicine Physician · Simi Valley, CA

    341 Medicare Part D claims (2024)

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  29. 29
    He LiM.D.

    Pain Medicine (Anesthesiology) Physician · Fresno, CA

    339 Medicare Part D claims (2024)

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  30. 30

    Pain Medicine Physician · Sacramento, CA

    335 Medicare Part D claims (2024)

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  31. 31

    Pain Medicine (Physical Medicine & Rehabilitation) Physician · Ukiah, CA

    324 Medicare Part D claims (2024)

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  32. 32

    Physician Assistant · Oceanside, CA

    322 Medicare Part D claims (2024)

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  33. 33

    Pain Medicine (Physical Medicine & Rehabilitation) Physician · Roseville, CA

    277 Medicare Part D claims (2024)

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  34. 34
    Timothy MansouriNURSE PRACTITIONER

    Pain Management Registered Nurse · Folsom, CA

    275 Medicare Part D claims (2024)

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  35. 35

    Anesthesiology Physician · Sacramento, CA

    272 Medicare Part D claims (2024)

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  36. 36

    Physician Assistant · San Diego, CA

    271 Medicare Part D claims (2024)

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  37. 37

    Physician Assistant · Newhall, CA

    271 Medicare Part D claims (2024)

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  38. 38

    Pain Medicine Physician · Sacramento, CA

    270 Medicare Part D claims (2024)

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  39. 39

    Pain Medicine Physician · Redding, CA

    267 Medicare Part D claims (2024)

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  40. 40

    Pain Medicine (Anesthesiology) Physician · Sacramento, CA

    264 Medicare Part D claims (2024)

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  41. 41

    Family Nurse Practitioner · Monterey, CA

    263 Medicare Part D claims (2024)

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  42. 42

    Physician Assistant · Sacramento, CA

    263 Medicare Part D claims (2024)

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  43. 43

    Pain Medicine (Anesthesiology) Physician · Martinez, CA

    260 Medicare Part D claims (2024)

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  44. 44

    General Practice Physician · Sonora, CA

    252 Medicare Part D claims (2024)

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  45. 45

    Physician Assistant · Bakersfield, CA

    251 Medicare Part D claims (2024)

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  46. 46

    Medical Physician Assistant · Sacramento, CA

    249 Medicare Part D claims (2024)

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  47. 47

    Medical Physician Assistant · Santa Maria, CA

    247 Medicare Part D claims (2024)

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  48. 48

    Pain Medicine (Physical Medicine & Rehabilitation) Physician · Orange, CA

    240 Medicare Part D claims (2024)

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  49. 49

    Internal Medicine Physician · San Luis Obispo, CA

    239 Medicare Part D claims (2024)

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  50. 50

    Physician Assistant · Poway, CA

    235 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 buprenorphine. buprenorphine is a Schedule III controlled substance; this is a factual claims directory only — not medical advice, not an endorsement, and not instructions for obtaining any medication. Source: CMS NPPES (June 2026).