NPPES file of Aug 9, 2026

Neurological Surgery Physician in California

929 NPPES records list neurological surgery physician with a practice address in California, 2.4 per 100,000 residents, the 32nd highest rate of 51. Los Angeles and Stanford have the most; each record links to the provider's NPI and the California license search. Page 4 of 19.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207T00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Los Angeles has the most, 112

  1. Los Angeles112
  2. Stanford89
  3. San Francisco77
  4. San Diego61
  5. Sacramento53

Neurological Surgery Physician records in California

  1. Vaninder Chhabra, M.D.Fontana, CA 923351184892721
  2. John Chiu, M.D.Newbury Park, CA 913201245383884
  3. Srinivas Chivukula, M.D.Los Angeles, CA 900951396163689
  4. Sooho Choi, M.D.Anaheim, CA 928071225060973
  5. Arthur Chou, M.D.Monterey Park, CA 917541174760607
  6. Nikita Choudhary, MDLa Jolla, CA 920931114602752
  7. Armen Choulakian, MDFresno, CA 937201861694242
  8. Frances Chow, M.D.Orange, CA 928681063830735
  9. Robert Chow, M.D.Piedmont, CA 946111235313370
  10. Winward Choy, M.D.West Hollywood, CA 900481174056485
  11. Eisha Christian, MDLos Angeles, CA 900891003174061
  12. Timothy Chryssikos, MDSan Francisco, CA 941431841673332
  13. Jason Chu, MDLos Angeles, CA 900271295052827
  14. Ray Chu, M.D.Los Angeles, CA 900481285603860
  15. Richard Chung, M.D. PH.D.Santa Barbara, CA 931051194792317
  16. Ephraim ChurchStanford, CA 943051508181983
  17. Joseph Ciacci, MDSan Diego, CA 921031992725675
  18. Jeremy Ciporen, M.D.La Jolla, CA 920371851569305
  19. Samuel Ciricillo, M.D.Sacramento, CA 958161841305554
  20. Brian Clague, M.D.Fresno, CA 937011811293988
  21. Aaron Clark, MD, PHDSan Francisco, CA 941431518295815
  22. Lawrence Clark, MDRiverside, CA 925061982662904
  23. Bruno Claudino Ramos Flores, MDSan Diego, CA 921231396974424
  24. Liesl Close, MDOakland, CA 946021578827499
  25. Cully Cobb, M.D.Sacramento, CA 958191770502163
  26. Robert Coffey, M.D.Thousand Oaks, CA 913601154714525
  27. Aaron Cohen-Gadol, MDLos Angeles, CA 900481215962279
  28. Traian Cojocaru, M.D.Loma Linda, CA 923571154427524
  29. Geoffrey Colby, M.D., PH.D.Los Angeles, CA 900951144373739
  30. Tyler Cole, MDLos Angeles, CA 900481548648603
  31. Austin Colohan, M.D.Loma Linda, CA 923541366486227
  32. Giac Consiglieri, MDSanta Rosa, CA 954051124208277
  33. Douglas Cook, M.D.Stanford, CA 943051356697445
  34. Jonathon Cooke, MDSan Diego, CA 921241508912031
  35. Martin Cooper, M.D.Los Angeles, CA 900481669415071
  36. Branden Cord, MD, PHDSacramento, CA 958161861750713
  37. William Corn, MDSan Francisco, CA 941101962457903
  38. Vladimir Cortez, DORedlands, CA 923731629230065
  39. Frank Coufal, M.D.La Jolla, CA 920371760495303
  40. George Counelis, MDWalnut Creek, CA 945981437261534
  41. Dennis Cramer, DORiverside, CA 925071336353341
  42. Earle Crandall, M.D.Beverly Hills, CA 902111275605271
  43. Aaron Cutler, M.D.Pomona, CA 917671073757902
  44. Myreille D'Astous, MDStanford, CA 943051548676455
  45. Ramanand Dandillaya, M.D.Santa Maria, CA 934541508847187
  46. Moise Danielpour, M.D.Los Angeles, CA 900481881655116
  47. Tim Darsaut, M.D., MSC., FRCS(C)Palo Alto, CA 943041063690808
  48. Jordan Davies, MDTravis Afb, CA 945351932606480
  49. Kenneth De Los Reyes, M.D.Loma Linda, CA 923501134388879
  50. Lucio De Maria, MDPalo Alto, CA 943041780505404

Source: CMS NPPES, primary taxonomy 207T00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 32 of 51 per resident

  1. New Hampshire2.5
  2. Kentucky2.5
  3. Oklahoma2.4
  4. California2.4
  5. South Carolina2.4
  6. Idaho2.3
  7. 50 states and D.C.2.6

Source: CMS NPPES, primary taxonomy 207T00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

77.1% of these records appear in a Medicare file, against 78.8% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California77.1%
  2. United States78.8%

Neurological Surgery Physician records in California, measured

  • In a Medicare file716 of 929 · 77.1% here, 78.8% nationally
  • In the CMS Doctors and Clinicians file613 · 66.0% here, 65.8% nationally
  • Not updated in five years or more511 · 55.0% here, 52.5% nationally
  • Median graduation year2005 · the 612 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

929 NPPES records list neurological surgery physician (207T00000X) as their primary taxonomy with a practice address in California: 2.4 per 100,000 residents against 2.6 nationally (50 states and D.C.). Los Angeles has 112 of them (12%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Texas669
  2. Florida644
  3. New York529
  4. Pennsylvania447

States with a similar rate per 100,000

  1. South Carolina2.4
  2. Idaho2.3
  3. Oklahoma2.4
  4. Kentucky2.5

The largest states

  1. Texas669
  2. Florida644
  3. New York529
  4. Pennsylvania447
  5. Illinois375

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.