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 4 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. Janice Andreyko, M.D.Roseville, CA 956611447346549
  2. Luminita Andronescu, M.D.Patton, CA 923691699856864
  3. Margaret AndujaSan Francisco, CA 941021326312497
  4. Dimey AngelsSanta Clarita, CA 913501063902393
  5. Marieta Angtuaco, M.D.San Mateo, CA 944011548324536
  6. Francisco Anguiano, M.D.Chula Vista, CA 919111215921697
  7. Charisse Anilao, OTR/LVentura, CA 930041053696872
  8. William Annan, MDGarden Grove, CA 928431124010384
  9. Nayana Anne, M.D.San Francisco, CA 941311962567891
  10. Joseph Anthony, DDS,MSGlendora, CA 917411447361753
  11. Marion Anthony, M.D.Pleasanton, CA 945881679577563
  12. Edgardo Antonio, LVNCathedral City, CA 922341477364073
  13. Jason Antonio, DPTTurlock, CA 953801053698233
  14. Blessy AntonySan Francisco, CA 941101942923156
  15. Patricia Anttila, P.T.Portola, CA 961221922157445
  16. Alexis Anvekar, M.D.Pasadena, CA 911051306952577
  17. Cyril Anyadike, M.D.Los Angeles, CA 900451952322984
  18. Kingsley Anyanwu, B.A PSYCHOLOGYSherman Oaks, CA 914011356475719
  19. Elizabeth Apana, MPHSan Francisco, CA 941031720281520
  20. Joseph Apostol, M.D.Newport Beach, CA 926601891877015
  21. Siga AppelgateTorrance, CA 905031912714064
  22. Lisa AppletonPlacerville, CA 956671760851000
  23. Robert Appleton, M.D.Modesto, CA 953501861464273
  24. Carmen AprimModesto, CA 953501891593919
  25. Carlos AquinoSan Marcos, CA 920781366784704
  26. Hilary AquinoLos Angeles, CA 900331558558098
  27. Randy Arai, M.D.Sacramento, CA 958191689755852
  28. Paula AraizaGrand Terrace, CA 923131386289759
  29. Mayra ArangoSanta Clara, CA 950501073889119
  30. Lisset AraujoSalinas, CA 939081851199525
  31. Zarshid Arbabi, M.D.Santa Ana, CA 927071366693954
  32. Gregory Ardigo, M.D.Murrieta, CA 925621548353956
  33. Ariel ArellanesSan Diego, CA 921171518675222
  34. Osvaldo Arenas-Diaz, M.D.Covina, CA 917231043204142
  35. Pablo Arevalo, M.D.Huntington Park, CA 902551811972847
  36. Peiman ArghavanifardLos Angeles, CA 900481972899151
  37. Jessica Arguello, CAMTLos Gatos, CA 950301316324718
  38. Daniel Arguijo, PHLEBOTOMISTAlhambra, CA 918031336392315
  39. Charles Aring, M.D.San Jose, CA 951281295751162
  40. Nader Armanious, MDPanorama City, CA 914021902023666
  41. Jill Armbrust, M.D.San Francisco, CA 941171992921084
  42. Randall Armstrong, M.D.Sacramento, CA 958161326063389
  43. Sandy ArmstrongFresno, CA 937011700067766
  44. Andrea ArnoldSan Francisco, CA 941031043700156
  45. Lori Arnold, M.D.,F.A.C.O.GChula Vista, CA 919111740341957
  46. Michael Arnstein, M.D.Torrance, CA 905051821000100
  47. Barbara AronsonOakland, CA 946121184190589
  48. Christianna Aronstam, LMTPalo Alto, CA 943011295177327
  49. Ajit Arora, M.D.Fresno, CA 937201538253190
  50. Sunil Arora, MDSan Bernardino, CA 924051962583104

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.