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 45 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. Elizabeth Hurley, C.O.Castro Valley, CA 945461205962818
  2. Stephen Hurst, M.D.San Mateo, CA 944011689680142
  3. Alfred Hurwitz, M DLos Gatos, CA 950321053334698
  4. Lawrence Hurwitz, M.D.Murrieta, CA 925621538252945
  5. Melissa Husband, M.S. OTRValencia, CA 913551578945630
  6. John Hutcherson, M.D.Monterey, CA 939401659593341
  7. Shikha HutchinsSan Francisco, CA 941101073953295
  8. Craig Hutchinson, MPHSan Francisco, CA 941031861858565
  9. Teresa Hutchison-ThomasSan Francisco, CA 941101356024236
  10. Elena HuynhSan Francisco, CA 941031497273379
  11. Steve Hwang, M.D.Garden Grove, CA 928431952412470
  12. Mark Hyatt, CADC IIColoma, CA 965131437283793
  13. Michael Hyman, M.D.Palm Springs, CA 922621902251259
  14. Paul Hyman, M,D.Los Angeles, CA 900251831225069
  15. Jayson Hymes, MDVan Nuys, CA 914051225032048
  16. John Ibarra, M.D.Davis, CA 956161023105954
  17. Juan IbarraSan Francisco, CA 941031336416874
  18. Kimberly IbarraCity Of Industry, CA 917481790268969
  19. Mario IbarraOrange, CA 928661093499733
  20. Albeer Ibrahim, MDEncino, CA 914361255401238
  21. Theresa IckSan Francisco, CA 941031033530613
  22. Janet Ihde, M.D.Palm Springs, CA 922621063488872
  23. Abayomi IkutiminuSan Francisco, CA 941021588086532
  24. Anna Ilyina, LELos Angeles, CA 900251285472217
  25. Charles Imbus, MDArcadia, CA 910071912999764
  26. Michael ImpresciaSan Francisco, CA 941021144594219
  27. Amy Indrizzo, M.T.Porter Ranch, CA 913261770717522
  28. Kate Ingram, MPHSacramento, CA 958171598639734
  29. Alex IniguezOxnard, CA 930361891585295
  30. Andrea InouyeOakland, CA 946121285093310
  31. Anne Ireland-Gill, M.D.Oxnard, CA 930361689658064
  32. Khosro Iromloo, M.D.Fontana, CA 923351851395313
  33. Mark Isaacs, M.D.Walnut Creek, CA 945961396785598
  34. Robert Isaacs, M.DDowney, CA 902411568682102
  35. Valerie Isaacson, RN CNSSan Jose, CA 951251275541674
  36. Khandhaker IslamBakersfield, CA 933091689347247
  37. Carolyn Israel, M.C.A.T., D.T.R.Santa Cruz, CA 950601750561668
  38. Michelle Israel, MDBeverly Hills, CA 902101386656635
  39. Nicanor Isse, M.D.Burbank, CA 915051487752929
  40. Abdallah Itani, D.P.TOrange, CA 928681447429584
  41. Armand IvoryLos Angeles, CA 900171730414814
  42. Gordon Iwahashi, NCMMTFresno, CA 937041316163009
  43. Kathryn Iwata, M.D.Glendale, CA 912081235106196
  44. Shilesh Iyer, M.D.Valencia, CA 913551841351277
  45. Leila Jabaji, M.DDiamond Bar, CA 917651447360888
  46. Robert Jack, M.D.Menlo Park, CA 940251376601443
  47. Alysha JacksonSacramento, CA 958171104632157
  48. Daniel Jackson, MDSaint Helena, CA 945741346217270
  49. Dimitria JacksonOakland, CA 946051679758478
  50. Douglas Jackson, M.D.Long Beach, CA 908061386624484

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.