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 82 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. Rupert Rajaratnam, M.D.Lancaster, CA 935341922044833
  2. Jay Raju, MDSan Jose, CA 951281699706556
  3. Bess Raker, M.D.Beverly Hills, CA 902111871641985
  4. Stephen Rakower, M.D.Fountain Valley, CA 927081801848288
  5. Pramela Ramachandran, MDFremont, CA 945381811022528
  6. Nagla Ramadan, M.D.Newport Beach, CA 926581053427294
  7. Lakshmi Ramanujam, M.D.Sacramento, CA 958161629073622
  8. Thaila Ramanujam, MDSanta Cruz, CA 950651801999206
  9. Adrianna RamirezSan Diego, CA 921051164826319
  10. Cassandra RamirezFresno, CA 937021568744472
  11. Debbie RamirezLancaster, CA 935341770975161
  12. Itzel RamirezWalnut Creek, CA 945981396424776
  13. Jessica RamirezBerkeley, CA 947091497883458
  14. Kana RamirezSan Francisco, CA 941021174021786
  15. Luis RamirezCosta Mesa, CA 926261316407042
  16. Maria RamirezSan Francisco, CA 941101780088096
  17. Ruben Ramirez MartinezSacramento, CA 958171598604514
  18. Jessenya Ramirez SacasaEl Sobrante, CA 948031952258170
  19. Lilly Ramirez-Boyd, M.D.Orange, CA 928681386663862
  20. Alanna RamosModesto, CA 953501730699331
  21. Liberty Ramos, CLCEl Cajon, CA 920191053182220
  22. Meshell RamosFresno, CA 937221588999338
  23. Sabrina RamosSan Francisco, CA 941241649140187
  24. Victor RamosRedwood City, CA 940631891026837
  25. Rajendra Ramsamooj, M.D.Sacramento, CA 958171891777538
  26. Brendan RamseySan Francisco, CA 941031730558339
  27. Harsha Rana, OTRChino, CA 917101417248006
  28. Jasbir Rana, M,DConcord, CA 945201144223934
  29. Chester Randle, M.D.San Leandro, CA 945781962544577
  30. Elizabeth Rangel, BAModesto, CA 953501922519776
  31. Lilith RangelRiverside, CA 925061083264790
  32. Maegen RangelModesto, CA 953501164874285
  33. Allyn Rankin Martinez, OTR-LDublin, CA 945681346444221
  34. Marvin Rapaport, M.D.Beverly Hills, CA 902101386628121
  35. Seymour Rapaport, M.D.Sunnyvale, CA 940871043297930
  36. Vicki Rapaport, M.D.Beverly Hills, CA 902101851375604
  37. Basil Rapoport, M.D.Santa Monica, CA 904021053349670
  38. Russell Rapoza, M.D.Fountain Valley, CA 927081003873605
  39. Kim RappaportPalo Alto, CA 943011417217910
  40. Nanalisa RasailySan Francisco, CA 941031457877961
  41. Jalil Rashti, M.D.Encino, CA 914361942378369
  42. Manouchehr Rashti, M.D.Los Angeles, CA 900251679509871
  43. Christine Rasmussen, MTWestlake Village, CA 913621285074864
  44. Randall Rasmussen, M.D.Moraga, CA 945561548473069
  45. Hamid Ravan, M.D.Beverly Hills, CA 902111346440112
  46. Shahram Ravan, M.D.Beverly Hills, CA 902101073544417
  47. Paula Ravets, PHDBeverly Hills, CA 902101699920041
  48. Leslie Rawitt, M.D.Woodland Hills, CA 913671689607228
  49. Jon Paul RayFresno, CA 937211386831360
  50. Andrea Raymer, CMPRedding, CA 960021306044474

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.