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 18 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. Brian Walcott, MDSanta Barbara, CA 931051093975500
  2. Ben Waldau, M.D.Sacramento, CA 958171982879524
  3. Kevin Waldron, MDLaguna Hills, CA 926531659314540
  4. Arvin WaliSan Diego, CA 921031639673338
  5. Corey Walker, M.D.West Hollywood, CA 900481083025183
  6. Marietta Walsh, D.O.French Camp, CA 952311275809584
  7. Anthony Wang, MDLos Angeles, CA 900951831391028
  8. Lyndell Wang, MDRedwood City, CA 940631548334824
  9. Jenli Waters, MDPalo Alto, CA 943041720308166
  10. Robert Wayner, MDLaguna Hills, CA 926531982600938
  11. Peter Weber, M.D., NEUROSURGERYSan Francisco, CA 941091639165483
  12. Stewart Weber, M.D.Orange, CA 928681609118009
  13. Michelle Wedemeyer, MD, PHDSan Francisco, CA 941431316338767
  14. David Weingarten, MDDuarte, CA 910101639336472
  15. Seth Weingarten, M.D.West Hollywood, CA 900691902162332
  16. Philip Weinstein, M.D.San Francisco, CA 941431902834328
  17. Martin Weiss, M.D.Los Angeles, CA 900331104862556
  18. Erick Westbroek, M.D.Fullerton, CA 928351720423791
  19. Franklin Westhout, M.D.Los Angeles, CA 900081659605475
  20. David Westra, M.D.Ventura, CA 930031265645790
  21. Daniel White, MDChula Vista, CA 919101033214796
  22. Lyman Whitlatch, MD, PHDVisalia, CA 932911053585711
  23. Eric Whitney, DOMoreno Valley, CA 925551518456078
  24. Lars Widdel, MDRedding, CA 960011447397708
  25. Timothy Wiebe, MD, FAANSBakersfield, CA 933011659428704
  26. Alan Williams, MDSacramento, CA 958251407934128
  27. Richard Williams, MDWoodland Hills, CA 913671477602746
  28. Thomas Wilson, MDPalo Alto, CA 943041194952416
  29. Ethan Winkler, M.D., PH.D.San Francisco, CA 941431205271236
  30. Evan Winograd, M.D.Carlsbad, CA 920111538426549
  31. Gregory Withers, M.D.Arcadia, CA 910071700804382
  32. Elijah Wogu, DOSan Luis Obispo, CA 934011164622908
  33. Laura Wolgamott, MDStanford, CA 943051407386055
  34. Albert Wong, M.D.Los Angeles, CA 900481841429586
  35. Albert Wong, MDMenlo Park, CA 940251720809858
  36. Andrew Wong, M.D.Santa Monica, CA 904041700312683
  37. Johnny Wong, M.D. PH.DStanford, CA 943051184089294
  38. Adela Wu, MDStanford, CA 943051013305341
  39. Sean Xie, M.D.Los Angeles, CA 900151447292966
  40. Jordan Xu, MDOrange, CA 928681215457130
  41. Sasan Yadegar, M.DInglewood, CA 903011376613455
  42. Paulino Yanez, MDFontana, CA 923351316095367
  43. Isaac Yang, M.D.San Francisco, CA 941431669599197
  44. Daniel Yanni, M.D.Newport Beach, CA 926631811145881
  45. Parham Yashar, M.D.Valencia, CA 913551215100805
  46. Donald Ye, M.D.Pomona, CA 917671962821942
  47. David Yeh, MMDSan Luis Obispo, CA 934011720044415
  48. David Yeh, M.D.San Jose, CA 951241194778290
  49. John Yen, M.D.Sacramento, CA 958191255350658
  50. Ulas Yener, MDStanford, CA 943051841753944

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.