NPPES file of Aug 9, 2026

Peer Specialist in California

4,528 NPPES records list peer specialist with a practice address in California, 11.6 per 100,000 residents, the 13th highest rate of 50. San Diego and Riverside have the most; each record links to the provider's NPI and the California license search. Page 60 of 91.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 175T00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Diego has the most, 384

  1. San Diego384
  2. Riverside381
  3. Sacramento230
  4. Los Angeles200
  5. Indio110

Peer Specialist records in California

  1. Wesley OldsRiverside, CA 925031134949282
  2. Leticia Olguin, INTERNSan Diego, CA 921201871837534
  3. Raquel OlivarezSanta Fe Springs, CA 906701013542521
  4. Krystal OliverSacramento, CA 958341841969888
  5. Monique OlivieriOceanside, CA 920541821704610
  6. Adelina OlmosSan Rafael, CA 949011558876888
  7. Juanita OlmosPorterville, CA 932571982056024
  8. Britney OlsonSan Bernardino, CA 924041932788338
  9. Jasmine OmariOakland, CA 946051427785674
  10. Louis OnealLong Beach, CA 908051376354738
  11. Sheila OneillAuburn, CA 956031265275564
  12. Edgar OntiverosClearlake, CA 954221891517124
  13. Ivette OntiverosPalmdale, CA 935501003700949
  14. Ifeanyi OnwusiSan Francisco, CA 941031003751835
  15. Philla Or, CMPSSStockton, CA 952021225989718
  16. Zireyndian OrdonezSalinas, CA 939011700644366
  17. Steven OrdonioRiverside, CA 925031932833761
  18. Sean OreilllySanta Ana, CA 927051518649680
  19. Erika OrellanaSan Bernardino, CA 924041801445259
  20. Wendy OrellanaLake View Terrace, CA 913421043482185
  21. Axa Orellana MartinezPerris, CA 925701962115402
  22. Patricia OrnelasVisalia, CA 932921033664404
  23. Serena OrnelasCastro Valley, CA 945781952232514
  24. Jessica OrnelazAuburn, CA 956031861323875
  25. Florisela OrozcoTorrance, CA 905031447347836
  26. Franciscca OrozcoLancaster, CA 935341386492510
  27. Jasmine Orozco, CERTIFIED PSSSan Diego, CA 921111518573351
  28. Krystal OrozcoEl Monte, CA 917311457938821
  29. Marlene OrozcoSanta Cruz, CA 950621285341065
  30. Sonia OrozcoSan Diego, CA 921231326763368
  31. Kayla OrrRocklin, CA 957651164308565
  32. Cecilia OrrantiaRiverside, CA 925031164911772
  33. Alexis OrtegaColton, CA 923241083185318
  34. Anthony OrtegaWest Sacramento, CA 956051689411944
  35. Leslie OrtegaMission Viejo, CA 926911134772619
  36. Nicole OrtegaSan Diego, CA 921131447931191
  37. Yvonne OrtegaRiverside, CA 925011528773488
  38. Gilbert OrtizRancho Cucamonga, CA 917301154894947
  39. Marcella OrtizSan Mateo, CA 944021922831577
  40. Moises OrtizCulver City, CA 902301942580238
  41. Sheena OrtizManteca, CA 953371396434882
  42. Taya OrtizPalm Springs, CA 922621659875243
  43. Gabriella Ortiz-AlejosPerris, CA 925701467862896
  44. Maria Ortiz-GuzmanSanta Cruz, CA 950621053269464
  45. Kazuko OsadaSanta Ana, CA 927051548969660
  46. Latoya OsanyemiMerced, CA 953411215690391
  47. Ana OsegueraMerced, CA 953411487431193
  48. Mary Oseguera NavarroSan Bernardino, CA 924081609312776
  49. Felipe Osorio, PSSTarzana, CA 913561326967662
  50. Mary OstrowskiChico, CA 959261013788405

Source: CMS NPPES, primary taxonomy 175T00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 13 of 50 per resident

  1. Michigan16.8
  2. Wyoming15.4
  3. Utah13.7
  4. California11.6
  5. Idaho11.2
  6. District of Columbia11.0
  7. 50 states and D.C.9.5

Source: CMS NPPES, primary taxonomy 175T00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.0% of these records appear in a Medicare file, against under 0.1% 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. California0.0%
  2. United States0.0%

Peer Specialist records in California, measured

  • In a Medicare file0 of 4,528 · 0.0% here, under 0.1% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, under 0.1% nationally
  • Not updated in five years or more660 · 14.6% here, 26.6% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 175T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,528 NPPES records list peer specialist (175T00000X) as their primary taxonomy with a practice address in California: 11.6 per 100,000 residents against 9.5 nationally (50 states and D.C.). San Diego has 384 of them (8%).

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. Oklahoma5,197
  2. Oregon3,348
  3. Ohio3,048
  4. Washington2,628

States with a similar rate per 100,000

  1. Idaho11.2
  2. District of Columbia11.0
  3. Colorado10.6
  4. Utah13.7

The largest states

  1. Oklahoma5,197
  2. Oregon3,348
  3. Ohio3,048
  4. Washington2,628
  5. Kentucky1,942

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.