NPPES file of Aug 9, 2026

Psychologist in California

7,304 NPPES records list psychologist with a practice address in California, 19 per 100,000 residents, the 13th 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 121 of 147.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103T00000X · 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, 671

  1. Los Angeles671
  2. San Francisco516
  3. San Diego431
  4. Oakland257
  5. Sacramento165

Psychologist records in California

  1. Alejandro Silva, PSY.D.Los Angeles, CA 900661952496390
  2. Jenny SilvaDaly City, CA 940151225150279
  3. Leela Silva, LEPSan Francisco, CA 941151295415958
  4. Summer Silva, PSYDVista, CA 920811508900754
  5. Victor Silva-Palacios, PHDSan Luis Obispo, CA 934011376595579
  6. David Silven, PHDSan Francisco, CA 941031568588457
  7. Gerald Silver, PH.D.Sonoma, CA 954761053300897
  8. Stephen Silver, PSY.D.Northridge, CA 913301972850121
  9. Ashley Silvera, PSY.D.Santa Monica, CA 904041417143140
  10. Deborah Silveria, PH.D.Costa Mesa, CA 926261548353873
  11. Bradley Silverman, PHDTrabuco Canyon, CA 926791003911470
  12. Hayley Silverman, PSY.D.Poway, CA 920641982709424
  13. Melinda Silverman, PHDLong Beach, CA 908151427141837
  14. Ryan SilvermanWestlake Village, CA 913611841645793
  15. Charles Silverstein, PH.D.Novato, CA 949471851587992
  16. Linsey Silverstein, PSY.D.San Diego, CA 921081487803359
  17. Marsha Silverstein, PH. D.Berkeley, CA 947051114685229
  18. Gloria Simard, PHDRoseville, CA 956611689737694
  19. Crystal SimmonsOakland, CA 946091619176708
  20. Nathan Simmons, PSY.D.San Marcos, CA 920691447313846
  21. Joseph Simms, PH.D.Tehachapi, CA 935611598086233
  22. Ray Simnegar, PH.D.San Francisco, CA 941031235291337
  23. Deborah Simon, PH.D.Orinda, CA 945631942878301
  24. Gail Simon-Boyd, PHDSan Diego, CA 921231871040568
  25. Christopher Simonet, PH.D.El Cajon, CA 920201235263351
  26. Inga Simonian, PHDBurbank, CA 915021215271317
  27. Stephen Simonson, PSY.D.Elk Grove, CA 957571679828958
  28. Eric Simpson, PSYDSan Diego, CA 921021710110416
  29. Sara Simpson, PSY.D.Woodland Hills, CA 913671740328111
  30. Stephen Simpson, MDPasadena, CA 911031801278148
  31. Terry Simpson, PSY.D.Beverly Hills, CA 902121013465194
  32. G. Sims, PH.D.Solana Beach, CA 920751053547711
  33. Caleb SinSouth Pasadena, CA 910301366208084
  34. Richard Sinacola, PHDPalm Desert, CA 922111952402943
  35. Shelley Sinclair, MS.ED, LEPLos Gatos, CA 950321780232355
  36. Miya Sindle, SCHOOL PSYCHOLOGISTAntelope, CA 958431679226682
  37. Hannah Singer, PSYDEncino, CA 914361164868634
  38. Pamela Singer, PSY.D.Sherman Oaks, CA 914031346514791
  39. Reanne Singer, PH.D.Ventura, CA 930011942312434
  40. Rylee SingerSherman Oaks, CA 914011619851151
  41. Jessica Singerman, PSY.D.Walnut Creek, CA 945961083934525
  42. Devin SinghSan Jose, CA 951171891662573
  43. Naveen SinghSacramento, CA 958161922989094
  44. Antinett SingletonOrange, CA 928681245855253
  45. Charlotte Singleton, PSY.D.Patton, CA 923691427210996
  46. Walda Singleton, PHDSalinas, CA 939061104031699
  47. Daniel Singley, PH.D.San Diego, CA 921211285735886
  48. Sree Sinha, PHD, MASan Francisco, CA 941211275355125
  49. Cathy Sink, PH.D.Patton, CA 923691972555761
  50. Margaret Sinner, PH.D.Huntington Beach, CA 926491639249881

Source: CMS NPPES, primary taxonomy 103T00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 13 of 51 per resident

  1. West Virginia20
  2. Nebraska19
  3. Maryland19
  4. California19
  5. Maine19
  6. North Dakota18
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 103T00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

6.2% of these records appear in a Medicare file, against 10.1% 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. California6.2%
  2. United States10.1%

Psychologist records in California, measured

  • In a Medicare file453 of 7,304 · 6.2% here, 10.1% nationally
  • In the CMS Doctors and Clinicians file1,058 · 14.5% here, 18.0% nationally
  • Not updated in five years or more4,318 · 59.1% here, 63.9% nationally
  • Median graduation year2005 · the 1,058 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103T00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

7,304 NPPES records list psychologist (103T00000X) as their primary taxonomy with a practice address in California: 19 per 100,000 residents against 14 nationally (50 states and D.C.). Los Angeles has 671 of them (9%).

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 York5,045
  2. Pennsylvania2,687
  3. Michigan2,549
  4. Massachusetts2,367

States with a similar rate per 100,000

  1. Maine18.6
  2. Maryland19.1
  3. North Dakota18.2
  4. Nebraska19.3

The largest states

  1. New York5,045
  2. Pennsylvania2,687
  3. Michigan2,549
  4. Massachusetts2,367
  5. Florida2,202

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.