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 30 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. Elaine Favor, PTHuntington Beach, CA 926481801825047
  2. Jennifer Favors PetersonMerced, CA 953401952683278
  3. Debo FayemiwoRancho Cucamonga, CA 917301124005681
  4. Lori Fazzio, PTLos Angeles, CA 900641427129642
  5. Frank Fazzolari, MDPalo Alto, CA 943011043394893
  6. Marian Fedak, M.D.Los Angeles, CA 900331245313683
  7. Richard Fedder, M.D.Beverly Hills, CA 902101518239243
  8. Keith Feder, M.D.Manhattan Beach, CA 902661821134123
  9. Michael Federle, MDStanford, CA 943051497728141
  10. Paul FedorenkoWest Sacramento, CA 956911538407903
  11. Irina Fedulow, D.P.T.Redwood City, CA 940631558721704
  12. Janis Fee, M.D.Orange, CA 928651891781175
  13. Mary Pat Feeney, LCSW RNAuburn, CA 956031235160243
  14. Lewis Feiler, M.D.Redwood City, CA 940621457368649
  15. Rachel Feinberg, DPTPalo Alto, CA 943011750414421
  16. Jeffrey Feinfield, M.D.Thousand Oaks, CA 913601740372028
  17. Christa Feingold, LESanta Ana, CA 927051679257059
  18. Eben Feinstein, M.D.Los Angeles, CA 900171578553905
  19. Joel Feinstein, M.D.Los Angeles, CA 900481245262963
  20. Theodore Feit, M.D.Burbank, CA 915051619983590
  21. Farzin Feizbakhsh, MDBeverly Hills, CA 902101144391046
  22. Sonny FelarcaLong Beach, CA 908051184759078
  23. Joy Feld, M.DLos Angeles, CA 900481982660007
  24. Eric Feldman, M.D.Long Beach, CA 908061477504355
  25. Gary Feldman, M.D.San Francisco, CA 941151336220854
  26. Susan Feldman, MSPTSan Diego, CA 921171750351250
  27. Wanda FeltusSacramento, CA 958351689568537
  28. Elson FengSan Francisco, CA 941031659895399
  29. Guangxiang (grace) Feng, MASSAGE THERAPISTMission Hills, CA 913451912840919
  30. Pamela Fenton, M.DWest Hollywood, CA 900481134130990
  31. Alan Feren, M.D.Mill Valley, CA 949411508103227
  32. Kathleen FerenchakSan Jose, CA 951121376047175
  33. Daniel FergusonCompton, CA 902221851659288
  34. Earl Ferguson, M.D.Ridgecrest, CA 935551760485494
  35. Jim Ferguson, DPT ECSSan Bernardino, CA 924041952462699
  36. Patricia FerjaniSan Diego, CA 921091366781643
  37. Frank FernandezSan Francisco, CA 941101568338895
  38. Richard Fernandez, MDDaly City, CA 940151265541346
  39. Steve Ferrari, PH.D.Placentia, CA 928701982029054
  40. Joseph FerrerAlameda, CA 945011194696419
  41. Richell Ferreras, RDHPoway, CA 920641811716848
  42. Diego Ferro, M.D.Stockton, CA 952031700027877
  43. Alison FerryLos Angeles, CA 900361144479858
  44. Sabrina Fett, CPELos Angeles, CA 900251649923848
  45. Tony Feuerman, M.D.Encino, CA 914361386667145
  46. Byron Field, MDAnaheim, CA 928051770557720
  47. Kathy Fields, M.D.San Francisco, CA 941151629103973
  48. Frances Filgas, MDWindsor, CA 954921619034493
  49. Nancy Findlay, OTRFallbrook, CA 920281881999860
  50. Simone FindlayFairfield, CA 945331073761656

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.