NPI Central

Sleep Study (polysomnography) Providers in California

Ranked by documented Medicare service volume (2024).

267 providers in California have Medicare claims for sleep study (polysomnography). Ordering reflects documented Medicare service volume — a transparency signal, not a quality or "best" ranking. Open any provider for their full profile, map, and the procedures they bill Medicare.

Providers in CA
267
Data year
2024
Registry vintage
June 2026

Sleep Study (polysomnography) providers in California

Ranked by Medicare service volume.
  1. 1

    Sleep Medicine (Psychiatry & Neurology) Physician · Redding, CA

    2,436 Medicare services (2024)

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  2. 2

    Sleep Disorder Diagnostic Clinic/Center · Roseville, CA

    1,692 Medicare services (2024)

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  3. 3

    Sleep Medicine (Psychiatry & Neurology) Physician · Panorama City, CA

    1,201 Medicare services (2024)

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  4. 4

    Allergy & Immunology Physician · Concord, CA

    866 Medicare services (2024)

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  5. 5

    Sleep Medicine (Family Medicine) Physician · North Hollywood, CA

    738 Medicare services (2024)

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  6. 6

    Critical Care Medicine (Internal Medicine) Physician · Indio, CA

    494 Medicare services (2024)

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  7. 7

    Clinical Medical Laboratory · Simi Valley, CA

    474 Medicare services (2024)

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  8. 8

    Otolaryngology Physician · Santa Maria, CA

    423 Medicare services (2024)

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  9. 9

    Internal Medicine Physician · Los Angeles, CA

    416 Medicare services (2024)

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  10. 10

    Sleep Medicine (Psychiatry & Neurology) Physician · Santa Rosa, CA

    387 Medicare services (2024)

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  11. 11

    Sleep Medicine (Internal Medicine) Physician · Palm Desert, CA

    382 Medicare services (2024)

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  12. 12

    Sleep Disorder Diagnostic Clinic/Center · Fullerton, CA

    377 Medicare services (2024)

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  13. 13

    Sleep Disorder Diagnostic Clinic/Center · San Luis Obispo, CA

    311 Medicare services (2024)

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  14. 14

    Sleep Disorder Diagnostic Clinic/Center · Irvine, CA

    306 Medicare services (2024)

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  15. 15

    Sleep Medicine (Internal Medicine) Physician · Santa Rosa, CA

    305 Medicare services (2024)

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  16. 16

    Sleep Disorder Diagnostic Clinic/Center · Fresno, CA

    298 Medicare services (2024)

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  17. 17

    Sleep Disorder Diagnostic Clinic/Center · Arcadia, CA

    274 Medicare services (2024)

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  18. 18

    Clinical Medical Laboratory · Modesto, CA

    274 Medicare services (2024)

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  19. 19

    Sleep Medicine (Family Medicine) Physician · Newport Beach, CA

    270 Medicare services (2024)

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  20. 20

    Sleep Disorder Diagnostic Clinic/Center · Orange, CA

    270 Medicare services (2024)

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  21. 21

    Clinical Medical Laboratory · Fresno, CA

    267 Medicare services (2024)

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  22. 22

    Sleep Medicine (Internal Medicine) Physician · Newport Beach, CA

    264 Medicare services (2024)

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  23. 23

    Sleep Disorder Diagnostic Clinic/Center · Fresno, CA

    263 Medicare services (2024)

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  24. 24

    Sleep Disorder Diagnostic Clinic/Center · Oxnard, CA

    262 Medicare services (2024)

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  25. 25

    Sleep Medicine (Psychiatry & Neurology) Physician · Sunnyvale, CA

    259 Medicare services (2024)

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  26. 26

    Specialist · El Centro, CA

    259 Medicare services (2024)

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  27. 27

    Critical Care Medicine (Internal Medicine) Physician · San Diego, CA

    258 Medicare services (2024)

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  28. 28

    Sleep Medicine (Internal Medicine) Physician · Bakersfield, CA

    254 Medicare services (2024)

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  29. 29

    Critical Care Medicine (Internal Medicine) Physician · Oxnard, CA

    248 Medicare services (2024)

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  30. 30

    Sleep Disorder Diagnostic Clinic/Center · Corona, CA

    245 Medicare services (2024)

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  31. 31

    Sleep Medicine (Psychiatry & Neurology) Physician · San Ramon, CA

    241 Medicare services (2024)

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  32. 32

    Sleep Medicine (Internal Medicine) Physician · Stockton, CA

    237 Medicare services (2024)

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  33. 33

    Specialist · Merced, CA

    237 Medicare services (2024)

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  34. 34

    Sleep Medicine (Family Medicine) Physician · Sunnyvale, CA

    235 Medicare services (2024)

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  35. 35

    Pulmonary Disease Physician · San Francisco, CA

    233 Medicare services (2024)

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  36. 36

    Internal Medicine Physician · Oroville, CA

    227 Medicare services (2024)

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  37. 37

    Sleep Medicine (Psychiatry & Neurology) Physician · La Mesa, CA

    225 Medicare services (2024)

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  38. 38

    Pulmonary Disease Physician · Novato, CA

    221 Medicare services (2024)

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  39. 39

    Pulmonary Disease Physician · Stockton, CA

    220 Medicare services (2024)

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  40. 40

    Sleep Disorder Diagnostic Clinic/Center · Fountain Valley, CA

    220 Medicare services (2024)

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  41. 41

    Pulmonary Disease Physician · Camarillo, CA

    219 Medicare services (2024)

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  42. 42

    Internal Medicine Physician · Auburn, CA

    217 Medicare services (2024)

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  43. 43

    Physiological Laboratory · Santa Barbara, CA

    213 Medicare services (2024)

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  44. 44

    Pulmonary Disease Physician · San Jose, CA

    212 Medicare services (2024)

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  45. 45

    Pulmonary Disease Physician · Los Angeles, CA

    210 Medicare services (2024)

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  46. 46

    Sleep Medicine (Internal Medicine) Physician · Los Angeles, CA

    201 Medicare services (2024)

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  47. 47

    Neurology Physician · Salinas, CA

    193 Medicare services (2024)

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  48. 48

    Psychiatry Physician · Orange, CA

    188 Medicare services (2024)

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  49. 49

    Sleep Medicine (Internal Medicine) Physician · Yuba City, CA

    188 Medicare services (2024)

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  50. 50

    Sleep Medicine (Psychiatry & Neurology) Physician · Roseville, CA

    187 Medicare services (2024)

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Counts and ordering reflect Medicare fee-for-service claims (2024) from the CMS Medicare Physician & Other Practitioners dataset — a 65+ subset, not all care, and not a quality, outcome, or "best" ranking. Absence from this list does not mean a provider does not perform sleep study (polysomnography). Source: CMS NPPES (June 2026).