NPPES file of Aug 9, 2026

Specialist in California

5,749 NPPES records list specialist with a practice address in California, 15 per 100,000 residents, the 19th highest rate of 51. San Francisco and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 5 of 115.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · method

San Francisco has the most, 666

Specialist records in California

  1. Michael Arquilla, M.D.Orange, CA 928681598734832
  2. Desiree ArredondoModesto, CA 953501649725870
  3. Viridiana Arroyo, HS DIPLOMAModesto, CA 953501225480460
  4. William Arsenault, PT, DPTSan Diego, CA 921291861064883
  5. Shashank Arya, MDPomona, CA 917671992782726
  6. Scharlena AsberryCompton, CA 902221861732786
  7. Valdemar Ascencio, M.D.Laguna Hills, CA 926531962569384
  8. Robert Aschenbrenner, MDLa Jolla, CA 920371457639155
  9. Lena Ashdjian, M.T.Porter Ranch, CA 913261770820516
  10. Kelley Ashe, HAIR LOSS SPECIALISTSacramento, CA 958141154889525
  11. Stephen AshorCastaic, CA 913841861852147
  12. Amin Ashrafzadeh, MDModesto, CA 953551326139825
  13. Nathan Ask, B.A.Eureka, CA 955031669508461
  14. Asghar Askari, M.D.San Pedro, CA 907321922116698
  15. Ivy Aslan, M.D.San Francisco, CA 941431346571833
  16. Sarah Asmussen, PH.D.Encinitas, CA 920241831341387
  17. Julie Aspiras, M.D.Oceanside, CA 920561952468183
  18. Lorraine AspirasSan Francisco, CA 941021255753299
  19. Marta Atalla, M.D.San Fernando, CA 913401457687204
  20. Ferdows Ather, M.D.Los Angeles, CA 900591760845762
  21. Plaridel Atil, MDGlendora, CA 917411184625543
  22. Jacob Atilano, PTOakland, CA 946091982747960
  23. Terry AtkinsConcord, CA 945181730547233
  24. Allison Atwood, MS, OTR/LSan Francisco, CA 941181174804363
  25. Po Yee AuSan Francisco, CA 941031669845046
  26. Shiu Au, M.D.West Covina, CA 917901184664377
  27. Ron AuerbacherSan Diego, CA 921031467592097
  28. Todd Auker, M.D.Pleasanton, CA 945661891795712
  29. Ranjit AulakhMarina, CA 939331235906967
  30. Beth Aune, OTR/LPalm Desert, CA 922111922284017
  31. Myo Aung, M.D.Los Angeles, CA 900571255366837
  32. Oaksoe AungSacramento, CA 958171295581023
  33. Sanda AungSan Francisco, CA 941031790158152
  34. Marva AustinSan Francisco, CA 941031003526872
  35. Jenika AutryMurrieta, CA 925621396557518
  36. Leopold Avallone, M.D.Pacific Palisades, CA 902721134278740
  37. Vanessa AvalosRiverside, CA 925031396445029
  38. Karina Avalos-De La CruzWalnut Creek, CA 945981679389357
  39. Karla AvilaSan Francisco, CA 941341972091023
  40. Mamdouh AwwadSan Francisco, CA 941021730501776
  41. Karen Axelrod, CMT, CST-DRedondo Beach, CA 902771538581368
  42. Joselin Ayala PachecoSunnyvale, CA 940861912652702
  43. Bernard Azer, D.O.Los Alamitos, CA 907201285686220
  44. Maher Azer, M.D.Los Alamitos, CA 907201124097548
  45. Paul Azer, M.D.Beverly Hills, CA 902111336154707
  46. Brandi AzevedoYuba City, CA 959911588781520
  47. Azim Azhand, M.DTemecula, CA 925911548362064
  48. Parvin Azimi, M.D.Oakland, CA 946091316981061
  49. Salma Aziz, DPMRancho Santa Margarita, CA 926881467447326
  50. Latesha AzumahFresno, CA 937021932484425

Source: CMS NPPES, primary taxonomy 174400000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 19 of 51 per resident

  1. Massachusetts16
  2. West Virginia15
  3. Maryland15
  4. California15
  5. Minnesota15
  6. Delaware13
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

5,749 NPPES records list specialist (174400000X) as their primary taxonomy with a practice address in California: 15 per 100,000 residents against 18 nationally (50 states and D.C.). San Francisco has 666 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. Florida2,685
  2. Washington2,609
  3. Pennsylvania2,031
  4. Texas1,716

States with a similar rate per 100,000

  1. Minnesota14.6
  2. Maryland15.2
  3. West Virginia15.4
  4. Massachusetts15.7

The largest states

  1. New York22,636
  2. Florida2,685
  3. Washington2,609
  4. Pennsylvania2,031
  5. Texas1,716

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.