NPI Central

Phentermine (Adipex-P, Lomaira) Prescribers in California

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

17 providers in California have Medicare Part D claims for phentermine. 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
17
Data year
2024
Registry vintage
June 2026

phentermine prescribers in California

Ranked by Part D claim volume.
  1. 1

    Internal Medicine Physician · San Luis Obispo, CA

    21 Medicare Part D claims (2024)

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  2. 2

    Obesity Medicine (Family Medicine) Physician · Sunnyvale, CA

    18 Medicare Part D claims (2024)

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  3. 3

    Family Medicine Physician · Roseville, CA

    18 Medicare Part D claims (2024)

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  4. 4

    Family Medicine Physician · Ripon, CA

    17 Medicare Part D claims (2024)

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  5. 5

    Family Medicine Physician · Santa Cruz, CA

    17 Medicare Part D claims (2024)

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  6. 6
    Michael MagnottiMD, FACE, ECNU

    Endocrinology, Diabetes & Metabolism Physician · Santa Rosa, CA

    14 Medicare Part D claims (2024)

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  7. 7

    Family Medicine Physician · Santa Rosa, CA

    14 Medicare Part D claims (2024)

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  8. 8

    Endocrinology, Diabetes & Metabolism Physician · San Diego, CA

    14 Medicare Part D claims (2024)

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  9. 9

    Family Medicine Physician · Elk Grove, CA

    13 Medicare Part D claims (2024)

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  10. 10

    Family Medicine Physician · Sacramento, CA

    12 Medicare Part D claims (2024)

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  11. 11

    Internal Medicine Physician · Montebello, CA

    12 Medicare Part D claims (2024)

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  12. 12

    Family Medicine Physician · Ripon, CA

    12 Medicare Part D claims (2024)

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  13. 13

    Family Medicine Physician · Whittier, CA

    12 Medicare Part D claims (2024)

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  14. 14

    Family Medicine Physician · Whittier, CA

    11 Medicare Part D claims (2024)

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  15. 15

    Family Medicine Physician · Fowler, CA

    11 Medicare Part D claims (2024)

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  16. 16

    Family Medicine Physician · Modesto, CA

    11 Medicare Part D claims (2024)

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  17. 17

    Physician Assistant · Santa Maria, CA

    11 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 phentermine. phentermine is a Schedule IV 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).