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 133 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. Byron Rosenthal, MDRiverside, CA 925031609628890
  2. Harvey Rosenthal, MDOakland, CA 946121396823159
  3. James Rosenthal, MDPatton, CA 923691942252382
  4. Jennifer Rosenthal, MDLos Angeles, CA 900451366949273
  5. Macey RosenthalMartinez, CA 945531851457055
  6. Murray Rosenthal, D.O., FAPASan Diego, CA 921231902933591
  7. Thomas Rosko, M.D.Fresno, CA 937261457335200
  8. Eric Rosoff, M.D.Los Angeles, CA 900491013337781
  9. Craig Ross, M.D.Fountain Valley, CA 927081215928221
  10. Gail Ross, M.D.Costa Mesa, CA 926271619043361
  11. Jessica Ross, M.D.San Francisco, CA 941171659554087
  12. Lesley Ross, MDSan Diego, CA 921341871568006
  13. Rachel Ross, MDOceanside, CA 920581316248420
  14. Randy Ross, M.D.Orange, CA 928691821110321
  15. Robert Ross, M.D.Santa Monica, CA 904031346463189
  16. Tomasz Rosse, M.D.Stanford, CA 943051245423136
  17. Sophie RosseelSanta Monica, CA 904031457726242
  18. Nancy Rosser, MDLos Angeles, CA 900941033201363
  19. Thanos Rossopoulos, MDSan Ysidro, CA 921731174106835
  20. Sara RostamizadehStockton, CA 952041518548452
  21. John Rostkowski, M.D.Concord, CA 945201861424665
  22. Richard Roston, MDOakland, CA 946111609849520
  23. Jacob Roth, MDSan Jose, CA 951191639255151
  24. Walton Roth, M.D.Palo Alto, CA 943041932294220
  25. Mindy Rothbard, M.D.Sacramento, CA 958641306918131
  26. Richard Rothbard, M.D.Long Beach, CA 908051548490956
  27. Jack Rothberg, M.D.Los Angeles, CA 900481043326911
  28. Jill Rothberg, M.D.Santa Rosa, CA 954041811044407
  29. Gwendolyn Rothman, MDSan Francisco, CA 941021770525370
  30. Thuy Rotunda, MDNewport Beach, CA 926601457494957
  31. Marjaneh Rouhani, MDRancho Mirage, CA 922701740476621
  32. Samer Roumani, DORiverside, CA 925081093164170
  33. Karel Routhier, M.D.South Lake Tahoe, CA 961501700283751
  34. Joanne Roux, M.D.Redding, CA 960031841352572
  35. Deborah Rovine, MDLos Altos, CA 940241770700627
  36. David Rovno, M.D.Oakland, CA 946111205007069
  37. George Rowell, M.D.Fresno, CA 937211164634572
  38. Jackson Rowland, M.DSanta Cruz, CA 950601033128434
  39. Stefan Rowny, M.D.Los Angeles, CA 900241881810869
  40. Armaan Rowther, MD, PHDTorrance, CA 905021831555721
  41. Luisito Roxas, M.D.San Leandro, CA 945781295713386
  42. Nichole Roxas, MDLos Angeles, CA 900221942707633
  43. Randolph Roxas, MDTuolumne, CA 953791174560072
  44. Simi Roy, M.D., M.P.H.Pomona, CA 917671790298008
  45. Donna Roybal, M.DPleasanton, CA 945881588869341
  46. Krista Roybal, MDSan Diego, CA 921211316971575
  47. Zinovi Rozenblat, M.D.Glendora, CA 917401942495213
  48. Nicholas Rozon, M.D.Los Angeles, CA 900361710410782
  49. John Ruark, M. D.Menlo Park, CA 940251235294968
  50. Elias RubenVisalia, CA 932911396548871

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.