NPI Central

Hydromorphone (Dilaudid) Prescribers in California

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

1,640 providers in California have Medicare Part D claims for hydromorphone. 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
1,640
Data year
2024
Registry vintage
June 2026

hydromorphone prescribers in California

Ranked by Part D claim volume.
  1. 1

    Pain Medicine (Anesthesiology) Physician · San Mateo, CA

    615 Medicare Part D claims (2024)

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  2. 2

    Internal Medicine Physician · Vallejo, CA

    321 Medicare Part D claims (2024)

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  3. 3

    Legal Medicine · Lancaster, CA

    317 Medicare Part D claims (2024)

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  4. 4

    Specialist · San Luis Obispo, CA

    302 Medicare Part D claims (2024)

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  5. 5

    Interventional Pain Medicine Physician · Santa Maria, CA

    277 Medicare Part D claims (2024)

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  6. 6

    Pain Medicine (Anesthesiology) Physician · Tracy, CA

    269 Medicare Part D claims (2024)

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  7. 7

    Physician Assistant · Newhall, CA

    256 Medicare Part D claims (2024)

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  8. 8

    Nurse Practitioner · Santa Clarita, CA

    255 Medicare Part D claims (2024)

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  9. 9

    Physician Assistant · Colton, CA

    249 Medicare Part D claims (2024)

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  10. 10

    Interventional Pain Medicine Physician · Rancho Cucamonga, CA

    243 Medicare Part D claims (2024)

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  11. 11

    Family Medicine Physician · Laguna Hills, CA

    234 Medicare Part D claims (2024)

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  12. 12

    Physical Medicine & Rehabilitation Physician · Lancaster, CA

    220 Medicare Part D claims (2024)

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  13. 13

    Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician · Fountain Valley, CA

    210 Medicare Part D claims (2024)

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  14. 14

    Physician Assistant · Colton, CA

    203 Medicare Part D claims (2024)

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  15. 15

    Physician Assistant · Rocklin, CA

    195 Medicare Part D claims (2024)

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  16. 16

    Pain Medicine (Anesthesiology) Physician · Bakersfield, CA

    187 Medicare Part D claims (2024)

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  17. 17

    Anesthesiology Physician · Rancho Mirage, CA

    186 Medicare Part D claims (2024)

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  18. 18

    Physician Assistant · Camarillo, CA

    177 Medicare Part D claims (2024)

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  19. 19

    Physician Assistant · Huntington Beach, CA

    166 Medicare Part D claims (2024)

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  20. 20

    Physician Assistant · San Diego, CA

    161 Medicare Part D claims (2024)

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  21. 21

    Pain Medicine Physician · Northridge, CA

    161 Medicare Part D claims (2024)

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  22. 22

    Medical Physician Assistant · Oceanside, CA

    155 Medicare Part D claims (2024)

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  23. 23

    Pain Medicine (Anesthesiology) Physician · El Dorado Hills, CA

    153 Medicare Part D claims (2024)

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  24. 24

    Internal Medicine Physician · Burlingame, CA

    152 Medicare Part D claims (2024)

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  25. 25

    Nurse Practitioner · Ridgecrest, CA

    148 Medicare Part D claims (2024)

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  26. 26

    Physician Assistant · San Diego, CA

    147 Medicare Part D claims (2024)

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  27. 27

    Surgical Physician Assistant · Carlsbad, CA

    145 Medicare Part D claims (2024)

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  28. 28

    Pain Medicine (Anesthesiology) Physician · Petaluma, CA

    140 Medicare Part D claims (2024)

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  29. 29

    Family Nurse Practitioner · Mountain View, CA

    140 Medicare Part D claims (2024)

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  30. 30

    Medical Physician Assistant · Chino, CA

    139 Medicare Part D claims (2024)

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  31. 31

    Physician Assistant · Oceanside, CA

    137 Medicare Part D claims (2024)

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  32. 32

    Pain Medicine (Anesthesiology) Physician · Modesto, CA

    136 Medicare Part D claims (2024)

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  33. 33

    Orthopaedic Surgery Physician · Fresno, CA

    129 Medicare Part D claims (2024)

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  34. 34

    Medical Physician Assistant · Santa Maria, CA

    127 Medicare Part D claims (2024)

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  35. 35

    Anesthesiology Physician · Rancho Mirage, CA

    127 Medicare Part D claims (2024)

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  36. 36
    Adam LeePHARM.D.

    Pharmacist · San Francisco, CA

    123 Medicare Part D claims (2024)

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  37. 37
    Ruth PinterRN / FNP

    Family Nurse Practitioner · North Hollywood, CA

    121 Medicare Part D claims (2024)

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  38. 38

    Physician Assistant · Turlock, CA

    117 Medicare Part D claims (2024)

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  39. 39

    Medical Physician Assistant · Long Beach, CA

    116 Medicare Part D claims (2024)

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  40. 40

    Medical Physician Assistant · Murrieta, CA

    116 Medicare Part D claims (2024)

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  41. 41

    Family Nurse Practitioner · Palo Alto, CA

    116 Medicare Part D claims (2024)

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  42. 42

    Pain Medicine (Anesthesiology) Physician · Corona, CA

    114 Medicare Part D claims (2024)

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  43. 43

    Physician Assistant · Modesto, CA

    114 Medicare Part D claims (2024)

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  44. 44

    Pain Medicine (Physical Medicine & Rehabilitation) Physician · San Francisco, CA

    112 Medicare Part D claims (2024)

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  45. 45

    Pain Medicine (Anesthesiology) Physician · San Diego, CA

    110 Medicare Part D claims (2024)

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  46. 46

    Pharmacist · San Rafael, CA

    107 Medicare Part D claims (2024)

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  47. 47

    Hospitalist Physician · San Bernardino, CA

    105 Medicare Part D claims (2024)

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  48. 48

    Nurse Practitioner · Walnut Creek, CA

    102 Medicare Part D claims (2024)

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  49. 49

    Neurology Physician · Antioch, CA

    102 Medicare Part D claims (2024)

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  50. 50

    Family Medicine Physician · Redlands, CA

    102 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 hydromorphone. hydromorphone is a Schedule II 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).