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 78 of 115.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · method

San Francisco has the most, 666

Specialist records in California

  1. Samantha PenaSacramento, CA 958171326850033
  2. Theresa Pena, RDHSan Luis Obispo, CA 934011518760149
  3. Patricia Penick, PTSan Diego, CA 921061588874606
  4. Joshua Penn, M.D.Beverly Hills, CA 902111679585731
  5. Paul Penoliar, OTR/L C/NDTGlendale, CA 912061134560386
  6. Renee PentonSan Francisco, CA 941081326353608
  7. Allan PeraSan Francisco, CA 941021275955288
  8. Alexis Peraino, M.D.Los Angeles, CA 900481750398533
  9. Jennifer Peralta, MTDaly City, CA 940141386972552
  10. Sheryl PerdueOakland, CA 946091043567258
  11. Valeriia PerdueSan Francisco, CA 941211912667437
  12. Michael Perera, M.D.Arcadia, CA 910071710918222
  13. Abdaly PerezMountain View, CA 940401912463027
  14. Abigail PerezWalnut Creek, CA 945981700516101
  15. Claudia PerezSouth El Monte, CA 917331639736978
  16. Diana PerezLakeport, CA 954531831988922
  17. Elena Perez, ED.DLos Angeles, CA 900771326807645
  18. Jaqueline PerezLake Forest, CA 926301902457708
  19. Manuel PerezLos Gatos, CA 950301467945519
  20. Vanessa PerezModesto, CA 953501316456155
  21. Micaela Perez GomezFairfield, CA 945331386371771
  22. Janeth Perez LopezLakeport, CA 954531891553616
  23. Vianey Perez MaldonadoSacramento, CA 958171992549059
  24. Ralph PericoliBerkeley, CA 947091235264904
  25. Angelina PerkinsPittsburg, CA 945651760673552
  26. Kathy Perkins, M.D.Los Angeles, CA 900481831126457
  27. Maria Pernia, M.D.Los Angeles, CA 900481649201583
  28. Sebastien Perreault, M.DPalo Alto, CA 943041528349875
  29. Kristin Perrello, BAModesto, CA 953501710339940
  30. Dominic PerroneSan Francisco, CA 941101396388047
  31. Michelle Perry, DPTRiverside, CA 925051114250362
  32. Rod Perry, M.D.Oakland, CA 946091629170956
  33. Sonya PerryOakland, CA 946121669787560
  34. Igor Persidsky, M.DLong Beach, CA 908031437188299
  35. Reynaldo Pesina, PTQuincy, CA 959701730214065
  36. Cornelia Pessoa, M.D.Berkeley, CA 947051689757635
  37. Gregory PetersSan Francisco, CA 941021669895272
  38. Roberta PetersNevada City, CA 959591710113758
  39. Warren Peters, M.D.Loma Linda, CA 923501871680314
  40. Amy Petersen-FoxNovato, CA 949471720794241
  41. Ben PetersonSan Jose, CA 951251972381432
  42. Kelsey Peterson, M.D.Huntington Beach, CA 926471033281019
  43. Renee PetersonModesto, CA 953501760240774
  44. Steven Peterson, MDSonora, CA 953701083774897
  45. Thomas Peterson, M.D.Lynwood, CA 902621972671972
  46. David Petrovay, PHDRedwood City, CA 940611063952810
  47. Lashonda Petry, OTR/LFremont, CA 945381073936498
  48. Grace Petterson, MDSan Pedro, CA 907311013964980
  49. Galen Pettey, PHYSICAL THERAPISTFortuna, CA 955401770513657
  50. Alyssa Pettingill, CCLSSan Diego, CA 921161407558208

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.