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 70 of 174.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2084P0800X · method

Los Angeles has the most, 987

Psychiatry Physician records in California

  1. David Isenman, MDSan Mateo, CA 944011225071400
  2. Waguih Ishak, M.D.West Hollywood, CA 900481508840448
  3. Saleem Ishaque, M.D.National City, CA 919501033124730
  4. Ryuko Ishikawa, MDSan Mateo, CA 944031053629634
  5. Romeo Isidro, M.D.Northridge, CA 913251558393660
  6. Joy IskarousLoma Linda, CA 923541528403516
  7. Kevork Iskenderian, M.D.Apple Valley, CA 923071932112455
  8. Ailene Isleta-Florento, M.D.Woodland, CA 956951790844637
  9. Ashraf Ismail, M.D.West Hollywood, CA 900481720211691
  10. Scott Ispirescu, MDMission Viejo, CA 926911023148525
  11. Fortuna Israel, MDFresno, CA 937021780771402
  12. Joshua Israel, MDOrange, CA 928681689628265
  13. Brandon Ito, M.D., M.P.H.Los Angeles, CA 900241457644346
  14. Ethan Ittner, D.O.Chico, CA 959731083908248
  15. Anand Iyer, M.D.San Francisco, CA 941101154612885
  16. Rajan Iyer, MDBaldwin Park, CA 917061538654330
  17. Ashby IypeSan Jose, CA 951281346700804
  18. Ragda Izar, MDLos Angeles, CA 900241952041030
  19. Jacob IzenbergSan Francisco, CA 941431457770463
  20. John Jacisin, M.D.Modesto, CA 953551942301114
  21. Brian Jacks, MDBeverly Hills, CA 902121265599633
  22. Ajani Jackson, MDConcord, CA 945201740411214
  23. Brian Jackson, M.D.Patton, CA 923691407808249
  24. Grace Jackson, MDFresno, CA 937021659460814
  25. Jon Jackson, M.D.Santa Rosa, CA 954011598840472
  26. Laurence Jackson, M.D.Patton, CA 923691952478950
  27. Sonya Jackson, M.D.Atascadero, CA 934221841275336
  28. Thomas Jackson, MDRancho Mirage, CA 922701528181666
  29. Michael Jacob, M.D., PH.D.San Francisco, CA 941211184966582
  30. Said Jacob, M.D.Glendora, CA 917401528128949
  31. Suma Jacob, M.D.Los Angeles, CA 900951932269396
  32. Neal Jacobi, M.D.Sunnyvale, CA 940871609908276
  33. Asaf Jacobs, MDPalo Alto, CA 943041821550955
  34. Karl Jacobs, M.D.La Mesa, CA 919421669676524
  35. Marc JacobsSan Francisco, CA 941041669581336
  36. Matthew Jacobs, DOPalo Alto, CA 943011427580182
  37. Zachary JacobsPalo Alto, CA 943041831848993
  38. Eric Jacobson, M.D.Monterey, CA 939401497762397
  39. Richard Jacobson, M,D,Granada Hills, CA 913441952443673
  40. Sharon Jacobson, MDLos Angeles, CA 900251891910931
  41. Walter Jacobson, M.D.Northridge, CA 913251659349389
  42. Alan Jacovich, D.O.San Diego, CA 921341124090477
  43. Gregory JaeckSacramento, CA 958251831298165
  44. Syed Jafar, M.D.San Diego, CA 921231164437521
  45. Shuja Jafar-Ali, M.D.Union City, CA 945871548348394
  46. Sarah Jafarpour, D.O.Santa Ana, CA 927071215316302
  47. Harvey Jaffe, M.D.Costa Mesa, CA 926271194751123
  48. Lawrence Jaffe, M.D.San Diego, CA 921171225072903
  49. Michael Jaffe, M.D.Half Moon Bay, CA 940191417081274
  50. Paul Jaffe, MDLos Angeles, CA 900341720159783

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.