Methylphenidate (Ritalin, Concerta, Daytrana) Prescribers in California

1. 1
   Paul NorwoodM.D., F.A.C.P.

   Endocrinology, Diabetes & Metabolism Physician · Fresno, CA

   219 Medicare Part D claims (2024)

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2. 2
   Seamus ConnollyDO

   Psychiatry Physician · Indio, CA

   168 Medicare Part D claims (2024)

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3. 3
   Rita CeponieneMD

   Neurology Physician · San Diego, CA

   166 Medicare Part D claims (2024)

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4. 4
   Syam KunamMD

   Psychiatry Physician · Redlands, CA

   138 Medicare Part D claims (2024)

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5. 5
   Sandhya GudapatiM.D.

   Psychiatry Physician · Fullerton, CA

   131 Medicare Part D claims (2024)

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6. 6
   David Vargas

   Psychiatry Physician · San Francisco, CA

   127 Medicare Part D claims (2024)

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7. 7
   Kennedy CosgroveMD

   Psychiatry Physician · Oakland, CA

   123 Medicare Part D claims (2024)

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8. 8
   Joseph WinerMD

   Psychiatry Physician · San Rafael, CA

   118 Medicare Part D claims (2024)

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9. 9
   Thomas CuyegkengMD

   Hospice and Palliative Medicine (Family Medicine) Physician · Fullerton, CA

   117 Medicare Part D claims (2024)

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10. 10
    Alan DruckerM.D.

    Psychiatry Physician · Palm Springs, CA

    112 Medicare Part D claims (2024)

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11. 11
    Julia BillingtonM.D.

    Internal Medicine Physician · Santa Barbara, CA

    105 Medicare Part D claims (2024)

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12. 12
    Harold BoerlinM.D.

    Psychiatry Physician · Irvine, CA

    95 Medicare Part D claims (2024)

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13. 13
    Kenneth MartinezM.D.

    Neurology Physician · Aliso Viejo, CA

    95 Medicare Part D claims (2024)

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14. 14
    Ha MistryM.D.

    Psychiatry Physician · El Cajon, CA

    95 Medicare Part D claims (2024)

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15. 15
    Sean ThomasMD

    Psychiatry Physician · Delano, CA

    93 Medicare Part D claims (2024)

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16. 16
    Daniel HackettMD

    Psychiatry Physician · Riverside, CA

    92 Medicare Part D claims (2024)

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17. 17
    Richard GlassM.D.

    Psychiatry Physician · Greenbrae, CA

    90 Medicare Part D claims (2024)

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18. 18
    Tony KingM.D.

    Child & Adolescent Psychiatry Physician · Lake Forest, CA

    89 Medicare Part D claims (2024)

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19. 19
    Mark MeldenD.O.

    Psychiatry Physician · Coronado, CA

    89 Medicare Part D claims (2024)

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20. 20
    Christopher DangM.D.

    Psychiatry Physician · Bakersfield, CA

    88 Medicare Part D claims (2024)

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21. 21
    Nandini RaoMD

    Psychiatry Physician · Santa Rosa, CA

    87 Medicare Part D claims (2024)

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22. 22
    Cynthia NugentFNP-C

    Family Nurse Practitioner · Redding, CA

    78 Medicare Part D claims (2024)

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23. 23
    Anoshiravan Taheri-TafreshiM.D.

    Psychiatry Physician · Los Angeles, CA

    76 Medicare Part D claims (2024)

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24. 24
    Sai ChunduMD

    Psychiatry Physician · Corona, CA

    76 Medicare Part D claims (2024)

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25. 25
    Gregory MichasD.O.

    Psychiatry Physician · Walnut Creek, CA

    75 Medicare Part D claims (2024)

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26. 26
    Renee HillM.D.

    Psychiatry Physician · Monterey, CA

    75 Medicare Part D claims (2024)

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27. 27
    John Keltner

    Psychiatry Physician · La Jolla, CA

    74 Medicare Part D claims (2024)

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28. 28
    Anjali MangatMD

    Psychiatry Physician · Anaheim, CA

    74 Medicare Part D claims (2024)

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29. 29
    Lorna BarteM.D.

    Psychiatry Physician · Camarillo, CA

    73 Medicare Part D claims (2024)

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30. 30
    Kathryn RichardsonNP

    Nurse Practitioner · Modesto, CA

    73 Medicare Part D claims (2024)

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31. 31
    Nita PaintalMD

    Psychiatry Physician · La Mesa, CA

    73 Medicare Part D claims (2024)

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32. 32
    Roy Del-RosarioM.D.

    Psychiatry Physician · Lancaster, CA

    73 Medicare Part D claims (2024)

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33. 33
    Timothy ParkD.O.

    Psychiatry Physician · Ventura, CA

    73 Medicare Part D claims (2024)

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34. 34
    Jagan Jakkula

    Psychiatry Physician · Redlands, CA

    73 Medicare Part D claims (2024)

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35. 35
    James ParksMD

    Psychiatry Physician · Los Angeles, CA

    72 Medicare Part D claims (2024)

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36. 36
    Thomas OkamotoM.D.

    Psychiatry Physician · Santa Ana, CA

    72 Medicare Part D claims (2024)

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37. 37
    Francis CapobiancoM.D.

    Psychiatry Physician · Roseville, CA

    71 Medicare Part D claims (2024)

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38. 38
    Matthew PirnazarM.D.

    Child & Adolescent Psychiatry Physician · Los Angeles, CA

    71 Medicare Part D claims (2024)

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39. 39
    Eric SpeareM.D.

    Psychiatry Physician · Dana Point, CA

    70 Medicare Part D claims (2024)

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40. 40
    Ving YamD.O.

    Family Medicine Physician · Escondido, CA

    70 Medicare Part D claims (2024)

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41. 41
    Mahipal ChaudhriM.D.

    Psychiatry Physician · Santee, CA

    70 Medicare Part D claims (2024)

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42. 42
    Sibylle DelaloyeMD

    Psychiatry Physician · Los Angeles, CA

    69 Medicare Part D claims (2024)

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43. 43
    Sufen ChiuM.D.

    Child & Adolescent Psychiatry Physician · Sacramento, CA

    67 Medicare Part D claims (2024)

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44. 44
    Codie VassarM.D

    Psychiatry Physician · Orange, CA

    67 Medicare Part D claims (2024)

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45. 45
    Delia LupsaM.D.

    Psychiatry Physician · Aliso Viejo, CA

    66 Medicare Part D claims (2024)

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46. 46
    Peter WeingoldM.D.

    Psychiatry Physician · Los Angeles, CA

    66 Medicare Part D claims (2024)

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47. 47
    Jon HighumM.D.

    Psychiatry Physician · La Mesa, CA

    65 Medicare Part D claims (2024)

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48. 48
    Sirena Louie

    Pharmacist · San Jose, CA

    64 Medicare Part D claims (2024)

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49. 49
    Jiangyan DuPHARMD

    Pharmacist · Union City, CA

    64 Medicare Part D claims (2024)

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50. 50
    Mikhail MeyerovichMD

    Psychiatry Physician · Santa Barbara, CA

    63 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 methylphenidate. methylphenidate 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).