NPPES file of Aug 9, 2026

Psychiatric/Mental Health Nurse Practitioner in California

4,226 NPPES records list psychiatric/mental health nurse practitioner with a practice address in California, 11 per 100,000 residents, the 45th highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 58 of 85.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363LP0808X · method

Los Angeles has the most, 364

Psychiatric/Mental Health Nurse Practitioner records in California

  1. Elizabeth OmoniyiRedlands, CA 923731114786969
  2. Blessing Omoruyi, PMHNPGardena, CA 902471003632399
  3. Esohe Omoruyi, FNP-C, PMHNPBCSacramento, CA 958381487109955
  4. Victoria OmusonCulver City, CA 902321184920050
  5. Tope OnikekuNorthridge, CA 913241912864000
  6. Nonso Onochie, MSN, APRN, PMHNP-BCWoodland Hills, CA 913671760177810
  7. Chioma OnodugoGardena, CA 902481528521499
  8. Mabel Onoh, RNFontana, CA 923361215204003
  9. Jones Onuh, MSN, PMHNP.Woodland Hills, CA 913671538991609
  10. Noja Onuoha, NPMurrieta, CA 925631386965986
  11. Doris Onuohah, NPOrange, CA 928681578765137
  12. Rita Onwenna, DNP, RN, NPMontebello, CA 906401003463100
  13. Chinelo Onwuazombe, FNP-BC, PMHNP-BCFairfield, CA 945331336002393
  14. Afonne OnwukaCorona, CA 928811164236139
  15. Joseph OnwukaLos Angeles, CA 900111043933526
  16. Chinyere Onwuli, DNPSacramento, CA 958111851890131
  17. Theresia OnyangoFolsom, CA 956301720884612
  18. Ifeanyi Onye, NPRiverside, CA 925061346094422
  19. Ifeoma OnyeagoroLos Angeles, CA 900441871378133
  20. Chikaodinaka Onyebalu, PMHNPNorwalk, CA 906501033901608
  21. Maureen OnyegbulemLoma Linda, CA 923571326794223
  22. Marcelinus Onyejiji, NPNorwalk, CA 906501467287714
  23. Jennifer Onyekonwu-McGill, NPClaremont, CA 917111063686616
  24. Chidinma Onyekwe, NPRedlands, CA 923731104663418
  25. Cordelia Rose Onyekwe, MSNLong Beach, CA 908101194026542
  26. Ngozi OnyenuforoSanta Clara, CA 950541306562335
  27. Chomya Oo, PMHNPPalm Desert, CA 922111609510130
  28. Alan Ooka, APRN, BC, P-MHNPLaguna Hills, CA 926531114924230
  29. Nicole OquindoLong Beach, CA 908101497303788
  30. Taurean OramMontebello, CA 906401568358760
  31. Diane Oran, PMHNP-BCVacaville, CA 956881326171638
  32. Ugochukwu Oranu, NPHarbor City, CA 907101912732918
  33. Anthony Orchowski, PMHNP-BCLos Angeles, CA 900731851281422
  34. Cindy Ordonez, MSN, PMHNP-BC,FNP-BCRancho Cucamonga, CA 917301417618547
  35. Tiffani Ordonez, PMHNP-BCEmeryville, CA 946081982073888
  36. Taryn Orellana, NPBurbank, CA 915021275990699
  37. Ray OriasSacramento, CA 958351437941192
  38. Gloria Origel, PMHNPGardena, CA 902481073448494
  39. Dorothy Orlando, PMHNP-BCAtascadero, CA 934221235574054
  40. Emilio Orozco, NPSan Francisco, CA 941031225165822
  41. Evelina Orozco, NPFullerton, CA 928311316213515
  42. Armando Orozco Carrillo, NPDowney, CA 902401770405227
  43. Bambie Ann OrtegaLos Altos, CA 940221093564023
  44. Fernando Ortega, NPEl Centro, CA 922431164118956
  45. Miguel Ortega, MSN, PMHNP-BCClaremont, CA 917111023775939
  46. April Ortiz, PSYCH NP-BCVisalia, CA 932771043827140
  47. Haydee OrtizOakland, CA 946011558678862
  48. Uju Osagie, OWNERSacramento, CA 958141144612805
  49. Taiye Osawe, PHMNPCanoga Park, CA 913031396116703
  50. Helen Osborn, RN, NPSan Jose, CA 951261336553437

Source: CMS NPPES, primary taxonomy 363LP0808X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 45 of 51 per resident

  1. Missouri12
  2. Illinois12
  3. Wisconsin12
  4. California11
  5. Alabama11
  6. West Virginia10
  7. 50 states and D.C.17

Source: CMS NPPES, primary taxonomy 363LP0808X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

61.9% of these records appear in a Medicare file, against 70.0% 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. California61.9%
  2. United States70.0%

Psychiatric/Mental Health Nurse Practitioner records in California, measured

  • In a Medicare file2,614 of 4,226 · 61.9% here, 70.0% nationally
  • In the CMS Doctors and Clinicians file1,965 · 46.5% here, 56.0% nationally
  • Not updated in five years or more688 · 16.3% here, 21.8% nationally
  • Median graduation year2021 · the 1,965 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363LP0808X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

4,226 NPPES records list psychiatric/mental health nurse practitioner (363LP0808X) as their primary taxonomy with a practice address in California: 11 per 100,000 residents against 17 nationally (50 states and D.C.). Los Angeles has 364 of them (9%).

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. Texas4,227
  2. New York4,129
  3. Florida4,715
  4. Ohio2,498

States with a similar rate per 100,000

  1. Alabama10.5
  2. West Virginia10.4
  3. Hawaii10.1
  4. South Carolina10.0

The largest states

  1. Florida4,715
  2. Texas4,227
  3. New York4,129
  4. Ohio2,498
  5. Maryland2,373

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.