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 101 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. David Mathis, D.O.Fresno, CA 937021982636676
  2. Alka Mathur, M.D.Menlo Park, CA 940251457642506
  3. Preeti Mathur, M.D.Del Mar, CA 920141508038175
  4. Leopoldine MatialeuSan Diego, CA 921031255759718
  5. Farhan Matin, M.D.Menlo Park, CA 940251902974785
  6. Mohamad Matout, MDStanford, CA 943051467271288
  7. Kazuko Matsuda, M.D.Santa Monica, CA 904051134229842
  8. Scott Matthews, M.D.San Diego, CA 921611073776449
  9. Morgan Matzke, MDPalo Alto, CA 943041053815928
  10. Nathalie Maullin, M.D.Santa Monica, CA 904011770567612
  11. James Maurer, M.D.Patton, CA 923691659323392
  12. Tara Mauro, D.O.San Diego, CA 921301962508903
  13. Jon Maust, M.D.Fairfield, CA 945351356676464
  14. Annell Mavrantonis-Kruithof, M.D.Roseville, CA 956611497728018
  15. Davi Mavromatis, MDBakersfield, CA 933091629605837
  16. Jeffrey Max, M.D.San Diego, CA 921031689610966
  17. Benjamin Maxwell, M.D.Orange, CA 928681740415926
  18. Clare Maxwell, MDSan Bernardino, CA 924151548452519
  19. Edward Maxwell, M.D.San Francisco, CA 941171710119425
  20. Alison May, M.D.San Francisco, CA 941431093843815
  21. Daniel May, MDSausalito, CA 949651205873809
  22. David May, M.D.Los Angeles, CA 900771871632976
  23. Matthew May, M.D.Menlo Park, CA 940251578681482
  24. Aleea Maye, MDOakland, CA 946111013207166
  25. Haley MayenkarLarkspur, CA 949391932662921
  26. April Mayer, MDVan Huys, CA 914111982899738
  27. Elizabeth Mayer, MDSan Francisco, CA 941181548366735
  28. Alan Mayfield, M.D.San Diego, CA 921341821151648
  29. Peter Mayland, MDRedwood Valley, CA 954701003013889
  30. Nicole Maynard, MDOrange, CA 928681417651746
  31. Ivan Mayor, MDPalo Alto, CA 943041225615594
  32. Maria Mayoral, M.D.Los Angeles, CA 900171669685012
  33. David Mazariegos, M.D.Fresno, CA 937011104169135
  34. Neal Mazer, M.D., MPHSanta Barbara, CA 931011457448045
  35. Margarita Mazur, MDRosemead, CA 917701770603078
  36. Anthony Mazzarulli, MDModesto, CA 953581801090006
  37. Joseph Mazzola, MDSan Francisco, CA 941431861134579
  38. Robin McAllister, MDRancho Mirage, CA 922701003829425
  39. Michael McAndrew, MDCitrus Heights, CA 956101457462798
  40. Aimee McArthur, DOLos Altos, CA 940221194286575
  41. Genise McAskill, MDSacramento, CA 958171588126924
  42. Robert McAuley, M.D.Roseville, CA 956611194881888
  43. Timothy McCaffrey, M.D.Los Angeles, CA 900491982811360
  44. Margaret McCahill, M.D.San Diego, CA 921101871541706
  45. Mariposa McCall, M.D.Concord, CA 945201720164809
  46. Gordon McCamley, M.D.Ventura, CA 930031184844532
  47. Matthew McCarronTorrance, CA 905021245792134
  48. Robert McCarron, D.O.Sacramento, CA 958171831173087
  49. Bryan McCarthy, M.D.Stockton, CA 952151902286180
  50. Frances McCarthy, DOTorrance, CA 905021265127112

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.