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 82 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. Kobi Mar, PSYDOakland, CA 946091063578573
  2. Alek MarantzOrange, CA 928681356939086
  3. Carolina Maravilla, PSYDLos Angeles, CA 900201881311769
  4. Erica Marchand, PH.D.Los Angeles, CA 900481407924319
  5. Thomas MarchevskyOakland, CA 946181619227006
  6. Evelyn Marchini, PH.D.Redwood City, CA 940631972529998
  7. Jesse MarcoLos Angeles, CA 900291912879115
  8. Meghan Marcum, PSYDIrvine, CA 926141467773770
  9. I. Marcus, PHDSan Jose, CA 951261528306164
  10. Madeleine Marcus, PSYDEl Cerrito, CA 945301407581952
  11. Steven Marcus, PH.D.Los Altos, CA 940241649286683
  12. Suzanne Marcus, PH.DLa Jolla, CA 920371508900804
  13. Brianna Marecki, PH.D.Pasadena, CA 911011700237120
  14. William Marek, PH.D.San Ramon, CA 945831851560544
  15. Jordan Marendino, M.A.Santa Ana, CA 927051144708447
  16. Mary Maresh, PH.D.Lancaster, CA 935361740520261
  17. Levon Margolin, PH.D.La Mirada, CA 906381801136866
  18. Ellen Margolis, PHDSan Diego, CA 921031083743850
  19. Erin Margolis, PSY.D.Santa Monica, CA 904011033750468
  20. Shanna MargolisLos Angeles, CA 900371275047813
  21. Virginia Maril, PH.D.Westlake Village, CA 913611396164752
  22. Diana MarinLos Angeles, CA 900271689193641
  23. Melody Marin, PSYDBurbank, CA 915051457786717
  24. Natasha Marina, B.A.San Francisco, CA 941031457590200
  25. Sheri Marinovich, PSYDLaguna Hills, CA 926531649886755
  26. Ankhesenamun Marioni, PSY.DOakland, CA 946101760645998
  27. Marian Marioni, PSYDSanta Rosa, CA 954031457498156
  28. Michael MarkManhattan Beach, CA 902661558748665
  29. Devin Markle, M.ED., CMPCCalabasas, CA 913021942786728
  30. Edit Markoczy, PSY. D.San Francisco, CA 941151740434927
  31. Arpine Markosyan, MAAnaheim, CA 928051649919499
  32. Julia Markowski, PSYDNorth Hollywood, CA 916021528787603
  33. Rachel Marks, PSY.D.Beverly Hills, CA 902121578733978
  34. Tamara MarksLa Mesa, CA 919421720823339
  35. Charles Marmar, M.D.San Francisco, CA 941211962502054
  36. Renee Marquett, PH.D., M.B.A.San Jose, CA 951121831626274
  37. Thomas Marquez, PH.D.Camarillo, CA 930121265559561
  38. Jessica Marquez Melgar, MAPasadena, CA 911071508749680
  39. Priscilla Marquis, PH.D.San Francisco, CA 941181164589800
  40. Melissa Marrapese, PHDNapa, CA 945581164755674
  41. Amanda Marriage, PSYDLemon Grove, CA 919451316471519
  42. Arthur Marsh, PHD, LPSan Diego, CA 921201811928179
  43. Shauna Marsh, PSYDVentura, CA 930031598172843
  44. Tracy Marsh, PH.D.Pacific Palisades, CA 902721568218220
  45. Wendela Marsh, MA, BCBA, LEPMerced, CA 953481003201187
  46. Ann Marshall, PH.D.San Diego, CA 921271861580698
  47. Miriam MarsolaisKensington, CA 947071912059973
  48. Stephanie Marti, PSYDKentfield, CA 949041528249836
  49. Charlette Martin, MASantee, CA 920711740041466
  50. David Martin, PH.D.Torrance, CA 905021366521221

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.

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.