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 64 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. Rebecca MatthewsBakersfield, CA 933091457023954
  2. Martha Mattox, PTSan Francisco, CA 941041285775395
  3. Amanda Mauch, LELodi, CA 952421194247296
  4. Robert Maurer, M.D.Redding, CA 960011215922190
  5. Jennifer Maw, MDSan Jose, CA 951281609989417
  6. Anthony Maximo, OTNorth Hollywood, CA 916061548591985
  7. Clifton Mayberry, MDPasadena, CA 911071063543056
  8. Jean MayedaSan Francisco, CA 941031780872010
  9. Samuel Mayeda, MDOrange, CA 928681487716544
  10. Stefanie Mayer, PTConcord, CA 945201124119227
  11. Julie MayfieldSan Francisco, CA 941101043973118
  12. Lorna MayladMonrovia, CA 910161538904966
  13. Tami MayorgaSanta Maria, CA 934551477963775
  14. Tonita Mays-Hussain, PH.D ABDSanta Clarita, CA 913501164306668
  15. Catherine Maywood, M.D.El Cajon, CA 920211053367755
  16. Sarah Maze, M.D.Orange, CA 928691750723078
  17. Haniffa Maznavi, M.D.Los Alamitos, CA 907201205913811
  18. Gwen Mazoujian, M.D.Sacramento, CA 958161669492120
  19. Jesse Mazza, A.T.,C.San Rafael, CA 949011417921339
  20. Chidozie Mbagwu, M.D., PH.DRiverside, CA 925051285769364
  21. Rachel McAnallyIndio, CA 922011891814067
  22. Tanya McCaffrey, PTNipomo, CA 934441124273701
  23. Matthew McCall, DPTEl Cajon, CA 920211861874422
  24. Seamus McCallGarden Valley, CA 956331275932394
  25. William McCallum, M.D.Mountain View, CA 940401508978024
  26. George McCan, M.D.Irvine, CA 926031386718872
  27. Lynn McCartha, RDHVisalia, CA 932911174385702
  28. Lawrence McCarthy, M.D.Oceanside, CA 920561538152509
  29. Jillanne McCarty, M.D., PH.D.Ventura, CA 930031316038367
  30. Courtney McCauleyBerkeley, CA 947031932506649
  31. Melina McClellandOakland, CA 946101841601499
  32. Jamie McCollumSacramento, CA 958161811141864
  33. William McConnell, PHDSan Francisco, CA 941031902009707
  34. Rodney McCoubrey, HHPEncinitas, CA 920241750579033
  35. James McCray, PSY.D.Modesto, CA 953511184081614
  36. Tanya McCullahCosta Mesa, CA 926261821140138
  37. Brian McCuneSan Diego, CA 921011083424956
  38. Billy McDavid, M.D.Placerville, CA 956671295956670
  39. Francis McDermott, MDChico, CA 959281437148491
  40. H. McDonald, M.D.San Francisco, CA 941091720056567
  41. Roderick McDonald, M.D.Huntington Beach, CA 926471295896116
  42. Russ McDowellPollock Pines, CA 957261831503929
  43. Sydney McDowell, MSPTSan Francisco, CA 941111336100908
  44. Marie McElaneyWalnut Creek, CA 945981265246938
  45. Julie McGeeSan Francisco, CA 941021144491978
  46. Naclaysia McGeePasadena, CA 911071306250808
  47. Timothy McGillivray, M.D.Torrance, CA 905051497869853
  48. Kirsten McGlynn, CMTLos Gatos, CA 950321598216269
  49. Timothy McGuire, ATCCarson, CA 907471265530406
  50. Jasmine McKayNovato, CA 949491457218315

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.