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 113 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. Lil Nguyen, M.D.San Mateo, CA 944031205005956
  2. Long Nguyen, DOValencia, CA 913551679223481
  3. Long Nguyen, M.D.San Diego, CA 921101619138468
  4. Mai Nguyen, M.D.Westminster, CA 926831629015656
  5. Michael Nguyen, M.D.San Francisco, CA 941151104272046
  6. Minh Nguyen, M.D.Los Angeles, CA 900331851731889
  7. Nicholas Nguyen, M.D.Patton, CA 923691114029642
  8. Nikki NguyenOrange, CA 928681487282455
  9. Quoc Nguyen, MDTemecula, CA 925921639121379
  10. Rachel Nguyen, MDSan Marcos, CA 920691932542750
  11. Sanh Nguyen, DO.Sacramento, CA 958251326230749
  12. Sarah Nguyen, M.D.Los Angeles, CA 900951164781241
  13. Shana Nguyen, M.D.Patton, CA 923691487812954
  14. Steven Nguyen, MDTorrance, CA 905021942984299
  15. Tam Nguyen, M.D.Bakersfield, CA 933051194996959
  16. Tao Nguyen, MDSan Jose, CA 951211861587446
  17. Thu Ha Nguyen, M.D.Los Angeles, CA 900251538453303
  18. Thuong-Phuong Nguyen, M.D.Los Alamitos, CA 907201093009565
  19. Thuy-Huynh Nguyen, M.D.San Bernardino, CA 924081356488290
  20. Tram Nguyen, MDPalo Alto, CA 943041013321520
  21. Tuan-Anh Nguyen, M.D.San Diego, CA 921101225292378
  22. Tuong Nguyen, M.D.Irvine, CA 926021033283536
  23. Viet Nguyen, M.D., M.P.H.Los Angeles, CA 900121346582335
  24. Vivian Nguyen, MD, MBALaguna Hills, CA 926531760971378
  25. Vuong Nguyen, M. D.Anaheim, CA 928061053400986
  26. Vy Nguyen, M.D.Westminster, CA 926831609296177
  27. Christina NiLos Angeles, CA 900731245658921
  28. Jonathan Ni, MDPasadena, CA 911051104446236
  29. Bradley Nichinson, M.D.Saint Helena, CA 945741851323117
  30. Alphonso Nichols, MDSan Diego, CA 921261003890666
  31. Beatrice Nichols, MDSacramento, CA 958171023579299
  32. Christina Nichols, M.D.San Diego, CA 921451528470895
  33. Scott Nichols, MDChico, CA 959261295989572
  34. Charles Nicholson, MDSanta Barbara, CA 931101134283997
  35. Gregory Nicholson, M.D.Norwalk, CA 906501851489868
  36. Joshua Niclas, M.D.San Leandro, CA 945781013063999
  37. Fadi Nicolas, MDSan Diego, CA 921231174570279
  38. Samuel Nicolas, M.D.San Diego, CA 921341083954051
  39. Takeshia Niday, M.D.San Diego, CA 921031932429289
  40. Pei-Huey Nie, M.D.Visalia, CA 932771235317256
  41. Matthew Niedzwiecki, MDLoma Linda, CA 923541174859284
  42. Brandon Niemeier, M.D.San Diego, CA 921231255622338
  43. Cara Niemeier, M.D.San Diego, CA 921221225396419
  44. Rachel Niezrecki, MDSan Francisco, CA 941431073141925
  45. Kyla Nighohossian, M.D.Oakland, CA 946051316328982
  46. Anton Nigusse Bland, MDSan Francisco, CA 941101508026097
  47. Kushagra Nijhara, M.D.Oakland, CA 946091831689348
  48. Gurkaron Nijjar, MDBakersfield, CA 933061174010847
  49. Manijeh Nikakhtar, MDSanta Monica, CA 904031588832059
  50. Sahar Nikdel, MDVisalia, CA 932911407638166

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.