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 97 of 115.

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

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

San Francisco has the most, 666

  1. San Francisco666
  2. Los Angeles301
  3. Sacramento241
  4. San Diego207
  5. Oakland198

Specialist records in California

  1. Gabriela SolorioSan Francisco, CA 941091366935652
  2. Shamsi Soltani, MPHSan Francisco, CA 941021710368014
  3. Elena Soltanovskaya, M.ASan Diego, CA 921201831480672
  4. Pravina Somani, M.D.Simi Valley, CA 930651326011032
  5. Howard Somers, M.D.Coronado, CA 921181679572002
  6. Charlene Song, M.DLos Angeles, CA 900201366537474
  7. James Song, M.D.City Of Industry, CA 917481679662217
  8. Radhika Sood, D.O.Los Angeles, CA 900731710247036
  9. Lillian Soohoo, MDMountain View, CA 940401629140819
  10. Joyce Soong, RPTVista, CA 920841407181241
  11. Emil Soorani, M.D.Santa Monica, CA 904031053434472
  12. Leslie SorciSan Francisco, CA 941161538804505
  13. Sofia SorianoStockton, CA 952021699397505
  14. Robert Sorosky, M.D.Upland, CA 917861073538476
  15. Yelizaveta SosnovskayaSan Francisco, CA 941211083925614
  16. Anne Sotelo, CAMTC#27980Los Angeles, CA 900661255471397
  17. Destine SotoModesto, CA 953501588176325
  18. Janina Soto, O.D.El Centro, CA 922431215923644
  19. Ramona SotoOceanside, CA 920541841409794
  20. Jose Soto- Velasco, MDBakersfield, CA 933011659391480
  21. Carlos Soto-Albors, M.D.Roseville, CA 956611710073861
  22. Ashley SotomayorSouth Pasadena, CA 910301912305012
  23. Stuart Souders, M.D.Huntington Beach, CA 926491326098070
  24. William Soule, M.D.San Jose, CA 951281962448548
  25. Kanika SounSan Jose, CA 951121982107850
  26. Jasmine SourivongStockton, CA 952031215655311
  27. Heidi Soussan, MS, OTR/LSherman Oaks, CA 914031225321227
  28. Courtenay Souza, B.A.Modesto, CA 953501780125393
  29. Suzanne Souza, DPTEl Cerrito, CA 945301518944065
  30. Patricia Spacciapolli, PTSan Diego, CA 921271780987107
  31. Robert Spang, PHYSICAL THERAPISTRancho Santa Margarita, CA 926881215990866
  32. Jehan Sparks, PHDSan Francisco, CA 941031629733241
  33. Joseph Spaulding, M.D.San Francisco, CA 941091073543948
  34. Billy Spears, KRMLodi, CA 952401942594965
  35. Alan Spector, M.D.San Diego, CA 921031770575144
  36. Lisa Speier, OTR/LMission Viejo, CA 926911740527662
  37. Elena Spektor, M.D.Los Angeles, CA 900261487735668
  38. Curtis Spencer, M.D.Long Beach, CA 908061699754341
  39. Lance Spencer, ADMIN/SUPPORT SPECIARedding, CA 960021790546315
  40. Todd Spencer, MDMadera, CA 936371639102536
  41. Lawrence Spergel, M.D.San Francisco, CA 941091952449282
  42. Cambria SpeyerHemet, CA 925451386037018
  43. Joseph Spickler, M.D.Kelseyville, CA 954511922278472
  44. Stephanie SpilkerSan Francisco, CA 941021902283047
  45. Anna SpivakLos Angeles, CA 900361801873336
  46. Raymond Splinter, M.D.La Mesa, CA 919411194854695
  47. Suzy Spradlin, PH.D.Oakland, CA 946111417243403
  48. Shanna Spring, MDSan Francisco, CA 941151659771939
  49. Jeffrey Spychalski, M.D.Encino, CA 914361760480479
  50. Vinodhini Sriram, M.D.Whittier, CA 906061679696041

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.

29.6% of these records appear in a Medicare file, against 17.0% 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. California29.6%
  2. United States17.0%

Specialist records in California, measured

  • In a Medicare file1,704 of 5,749 · 29.6% here, 17.0% nationally
  • In the CMS Doctors and Clinicians file1,076 · 18.7% here, 11.1% nationally
  • Not updated in five years or more4,403 · 76.6% here, 77.3% nationally
  • Median graduation year1989 · the 1,075 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 174400000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

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.