NPPES file of Aug 9, 2026

Psychiatry Physician in California

8,673 NPPES records list psychiatry physician with a practice address in California, 22 per 100,000 residents, the 10th highest rate of 51. Los Angeles and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 116 of 174.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2084P0800X · method

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

Los Angeles has the most, 987

  1. Los Angeles987
  2. San Francisco763
  3. San Diego527
  4. Sacramento331
  5. Palo Alto215

Psychiatry Physician records in California

  1. Camille Olechowski, MD PHDStockton, CA 952041568085751
  2. Richard Oliva, M.D.Vista, CA 920831952599938
  3. David Oliver, MDEscondido, CA 920291649245986
  4. Vladimir Olshanskiy, MDLos Angeles, CA 900271033280961
  5. Daniel OlsonSan Francisco, CA 941161700232022
  6. Warren Olson, M.D.San Luis Obispo, CA 934011922166545
  7. Oluwole Olusola, M.D.Pomona, CA 917671972529170
  8. Bolanle Oluwadara, M.D.Patton, CA 923691124250188
  9. Yasamin OlyaeiPanorama City, CA 914021790423812
  10. Lina OmarySan Francisco, CA 941101194352401
  11. Kazuo Omi, MDCorona, CA 928791356721120
  12. Shawn Omrani, M.D.Beverly Hills, CA 902101730529769
  13. John Onate, M.D.Sacramento, CA 958171497730014
  14. Abigail Onderwyzer GoldLos Angeles, CA 900331629828843
  15. John Oneal, MDSacramento, CA 958251790859601
  16. Elaine Ong, DOVentura, CA 930031770338246
  17. Ebony Onianwa, MDSacramento, CA 958171104575778
  18. Rejoice Opara, M.D.Perris, CA 925711467898460
  19. Willie Nnamdi Orakpo, MDStanford, CA 943051306337035
  20. Kerin Orbe, D.O.Chula Vista, CA 919101114256690
  21. Dennis Ordas, MDSan Marcos, CA 920691336196211
  22. Sarah Oreck, M.D.Los Angeles, CA 900491215356118
  23. Stuart Orenstein, MDLos Angeles, CA 900271821169723
  24. Arkady Oreper, MDCastro Valley, CA 945461346320710
  25. Jeremy Orgel, MDSan Francisco, CA 941151437243540
  26. Judith Orloff, MDLos Angeles, CA 900671891959946
  27. Nanette Orman, M.D.Los Altos, CA 940241366650897
  28. Mari Ormiston, M.D.Palo Alto, CA 943011780720623
  29. Nikki OrnelasSherman Oaks, CA 914031316893209
  30. Steven Ornish, M.D.San Diego, CA 921081386716934
  31. Tyler Orosz, DORiverside, CA 925031083501407
  32. Pedro Orta, MD, MPHRedlands, CA 923731063065506
  33. Edgar Ortega, MDRiverside, CA 925061417440728
  34. Joseph Ortego, M.D.Inglewood, CA 903011376708602
  35. Jaime Ortiz, M.D.Bakersfield, CA 933081003022609
  36. Alfonso Ortiz Cruz, MD, MBASan Francisco, CA 941431710565866
  37. Elena Ortiz Portillo, M.D.Sylmar, CA 913421629153465
  38. Terry Osback, MDStanford, CA 943051356446827
  39. Lena Osher, M.D.Palo Alto, CA 943011750429692
  40. Nader Oskooilar, MDNewport Beach, CA 926601336144872
  41. Ana Osorio, MDFontana, CA 923351518015320
  42. Hadley Osran, MDAtascadero, CA 934231063464220
  43. Christine Osterhout, M.D.Sacramento, CA 958411639305469
  44. David Osuna, MDAtascadero, CA 934221184923500
  45. George Otanez, M.D.Hanford, CA 932301124213897
  46. John Otis, MDLa Jolla, CA 920371235154535
  47. Astrid Otten Carranza, MDChico, CA 959731902345192
  48. Emily Ottiniano, D.O.Long Beach, CA 908041710374954
  49. Hideyasu Ouchi, MDTorrance, CA 905021699462184
  50. Jasmine Outlaw, MDSacramento, CA 958251235711219

Source: CMS NPPES, primary taxonomy 2084P0800X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 10 of 51 per resident

  1. Maryland23
  2. Maine23
  3. Hawaii23
  4. California22
  5. Pennsylvania21
  6. New Hampshire19
  7. 50 states and D.C.17

Source: CMS NPPES, primary taxonomy 2084P0800X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

67.4% of these records appear in a Medicare file, against 68.5% 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. California67.4%
  2. United States68.5%

Psychiatry Physician records in California, measured

  • In a Medicare file5,843 of 8,673 · 67.4% here, 68.5% nationally
  • In the CMS Doctors and Clinicians file3,298 · 38.0% here, 42.4% nationally
  • Not updated in five years or more4,714 · 54.4% here, 56.2% nationally
  • Median graduation year2005 · the 3,295 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2084P0800X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

8,673 NPPES records list psychiatry physician (2084P0800X) as their primary taxonomy with a practice address in California: 22 per 100,000 residents against 17 nationally (50 states and D.C.). Los Angeles has 987 of them (11%).

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. New York6,589
  2. Texas3,318
  3. Florida2,744
  4. Massachusetts2,736

States with a similar rate per 100,000

  1. Hawaii23.1
  2. Maine23.4
  3. Maryland23.5
  4. Pennsylvania20.5

The largest states

  1. New York6,589
  2. Texas3,318
  3. Florida2,744
  4. Massachusetts2,736
  5. Pennsylvania2,662

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.