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 130 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. Arjun Reyes, MDMoorpark, CA 930211194834424
  2. Atman Reyes, MD INCMoorpark, CA 930211033228382
  3. Colleen ReyesBakersfield, CA 933061407147143
  4. Miles Reyes, MDLos Angeles, CA 900591538914544
  5. Raymond Reyes, M.D.Fairfield, CA 945331821103730
  6. Rebecca Reyes, M.D.Calabasas, CA 913021316156607
  7. Thor-Alcyone Reyes, MDWoodland Hills, CA 913641811092596
  8. Erik Reykjalin, M.D.Torrance, CA 905021073956876
  9. Erika Reynolds, MDSan Diego, CA 921081427005230
  10. Norman Reynolds, MDSan Jose, CA 951251891293007
  11. Hamed Rezaishiraz, MD PHDModesto, CA 953551437317898
  12. Andrew Rezk, DOSan Bernardino, CA 924051144883315
  13. Diane Rhee, MDCarlsbad, CA 920081700465044
  14. Sith Riantawan, MDLos Angeles, CA 900271871056291
  15. Tabish Riaz, MDSan Mateo, CA 944031366062689
  16. Isabel Ribeiro Caldas Domingues, MDSan Diego, CA 921031023367216
  17. Simon Ning Riccardi-Zhu, MDSacramento, CA 958161437809951
  18. Michael Ricciardi, DOCoronado, CA 921181205840618
  19. Christopher Rich, MDSan Diego, CA 921201245328053
  20. Marla Richard, M.D.San Diego, CA 921031578720934
  21. Anne Richards, M.D. M.P.HSan Francisco, CA 941431144431297
  22. Kate Richards, MDSacramento, CA 958171659707693
  23. Misty Richards, M.D.Los Angeles, CA 900241013274380
  24. Ruth Richards, M.D.Oakland, CA 946121417446444
  25. Jonathan Richardson, M.D.San Diego, CA 921341487625612
  26. David Richman, M.D.San Francisco, CA 941181740654375
  27. David Richman, MDBerkeley, CA 947081861576852
  28. Glenn Richmond, M.D.Huntington Beach, CA 926481972600310
  29. Neil Richtand, M.D.San Diego, CA 921611063510824
  30. Christine Ricketts, DOLaguna Hills, CA 926531891180444
  31. Michelle RiedererPalo Alto, CA 943041033529615
  32. Anna Rief, M.D.Moraga, CA 945561831419431
  33. Nestor Riel, MDTracy, CA 953771457430597
  34. John Riesenman, MDRedlands, CA 923731609834936
  35. Nina Riggins, M.D.San Diego, CA 921031568655264
  36. John Riley, M.D.Yuba City, CA 959911730398728
  37. William Riley, M.D.Palo Alto, CA 943011639384118
  38. Jeffrey Rilveria, MDFresno, CA 937021073169728
  39. Christina Rim, M.D.Norwalk, CA 906501871647271
  40. Brenda Ringel, M.D.San Diego, CA 921301689869976
  41. David Ringo, MDHayward, CA 945451245318013
  42. Alan Ringold, MDStanford, CA 943051053406355
  43. Robert Riopelle, M.D.Mill Valley, CA 949411629155254
  44. Samuel Risch, MDSan Francisco, CA 941431790837458
  45. Randy Rischette, MDSebastopol, CA 954721467679258
  46. Paul Riskin, M.D.Bellflower, CA 907061518059773
  47. Dawnmarie Risley-Childs, D.O.Mendocino, CA 954601144280231
  48. Yedida Rissman, MDSan Jose, CA 951261245674704
  49. Thomas RitcherSan Diego, CA 921101215431978
  50. Mark Ritchie, M.D.Morgan Hill, CA 950371962683060

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.