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 112 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. Peter Newsom, M.D.Modesto, CA 953541093746166
  2. Thomas Neylan, M.D.San Francisco, CA 941211558458737
  3. Robert Nezami, M.D.Newark, CA 945601184827719
  4. Frank Nezhadian, MDSan Diego, CA 921051316030323
  5. Bernardo Ng, M.DImperial, CA 922511598780736
  6. Emily NgFresno, CA 937021730619818
  7. Joann Ng, M.D.Santa Barbara, CA 931011972673622
  8. Jarvis Ngati, M.D.Sylmar, CA 913421205088705
  9. David Ngo, DOSan Jose, CA 951281245610948
  10. Huong Ngo, M.D.Santa Ana, CA 927011760491427
  11. Jerry NgoLong Beach, CA 908221629369806
  12. Stephane Ngo, M.D.Fresno, CA 937271407886765
  13. Thanhha Ngo, MDSan Jose, CA 951281386676633
  14. Lily Ngo Tran, M.D.Los Angeles, CA 900561558651448
  15. Corey Ngoy, MDNorwalk, CA 906501285216739
  16. Austin NguyRiverside, CA 925181245922400
  17. Albert Nguyen, DOSan Bernardino, CA 924151992124986
  18. Alexander Nguyen, M.D., M.P.H.Torrance, CA 905021821330069
  19. An Nguyen, M.D.San Jose, CA 951281285882258
  20. Anh Nguyen, DOVentura, CA 930031245173947
  21. Anthony Nguyen, D.O.Riverside, CA 925071023487790
  22. Bao-Nhan Nguyen, MDOrange, CA 928681205314358
  23. Bella Nguyen, DOCupertino, CA 950141902433964
  24. Chan Nguyen, M.D.Crescent City, CA 955321336293844
  25. Charles Tuan-Tu Nguyen, MDIrvine, CA 926021942380118
  26. Cindy Nguyen, MDRiverside, CA 925211225733272
  27. Cynthia Nguyen, M.D.Palo Alto, CA 943041376687475
  28. Dau Nguyen, M.D.San Bernardino, CA 924151578515375
  29. Diem Chau Nguyen, MDCulver City, CA 902301891221404
  30. Diem-Khanh Nguyen, MDLos Angeles, CA 900331265282149
  31. Doan Nguyen, MDColton, CA 923241457493405
  32. Doan Nguyen, MDWestminster, CA 926831336503838
  33. Duc Nguyen, M.D.Los Angeles, CA 900331639353766
  34. Elizabeth Nguyen, M.D.Davis, CA 956161649479809
  35. Eric Nguyen, DOPanorama City, CA 914021306691027
  36. Eric Nguyen, MDAnaheim, CA 928071881761765
  37. Han Nguyen, MDLos Angeles, CA 900271275110850
  38. Han Nguyen, M.D.San Bernardino, CA 924151225171689
  39. Han Nguyen, MDSacramento, CA 958341164521563
  40. Hieu NguyenLadera Ranch, CA 926941891444725
  41. Hugh NguyenLarkspur, CA 949391497318562
  42. Huong Nguyen, MDLos Angeles, CA 900201689280042
  43. Jenny NguyenStudio City, CA 916041689178568
  44. Julia Nguyen, MDSan Diego, CA 921031881155232
  45. Justin Nguyen, DOVentura, CA 930031659909000
  46. Khai Nguyen, MDPatton, CA 923691992102990
  47. Khang Nguyen, M.D.Gardena, CA 902491700959343
  48. Kristina NguyenRiverside, CA 925031093651119
  49. Lauren NguyenSacramento, CA 958171770287724
  50. Lien NguyenSacramento, CA 958171457125098

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.