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 66 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. Ruby Kassaseya, PSY.D.Orange, CA 928681508541897
  2. Leslee Kassing, PH.D.Fairfield, CA 945351427184738
  3. Danielle Kassouf, PSY.D.Kensington, CA 947071548531346
  4. Pandora KastanisLos Angeles, CA 900461710505094
  5. Albert Kastl, PHDSanta Rosa, CA 954051912132655
  6. Dorothy KatesSan Luis Obispo, CA 934011912714734
  7. Megan Kates, PH.D.San Diego, CA 921081053564310
  8. Bahram Katouzian, PHDPalo Alto, CA 943011104974278
  9. Kathryn KatuznySan Francisco, CA 941021336429455
  10. Deborah Katz, PSY. DSan Diego, CA 921171093977563
  11. Gregory Katz, PH.D.Santa Cruz, CA 950651386759157
  12. Jordana Katz, PSY.D.Santa Clarita, CA 913511710170451
  13. Judith Katz, PH.DSan Francisco, CA 941231356679401
  14. Laurie Katz, PH.D.Oakland, CA 946111477600476
  15. Marla KatzStudio City, CA 916041417209065
  16. Norman Katz, PSY.D.Ventura, CA 930031265735484
  17. Sepideh Katz, PH. D.San Jose, CA 951341013960103
  18. Sheila KatzWalnut Creek, CA 945981154806230
  19. Stacey Katz, PSYDOakland, CA 946011437968997
  20. Jessica Katzman, PSY.D.San Francisco, CA 941141083744502
  21. Mara Lynn Katzman, PHDLa Jolla, CA 920371043228042
  22. Brooke Kaufman, PSYDLos Angeles, CA 900391508642224
  23. David Kauss, PH.DLos Angeles, CA 900241912924994
  24. Carolyn Kavner, PHDWestlake Village, CA 913621174754733
  25. Diane Kawagoe, PH.D.Fresno, CA 937261104985597
  26. Kent Kawagoe, PH.DFresno, CA 937041497882302
  27. McKayla KayIrvine, CA 926121437638293
  28. Jeffrey Kaye, PH.D.San Francisco, CA 941081114011723
  29. Fortunee Kayra-Stuart, PH.D.Berkeley, CA 947101821149931
  30. Kimberly Kayser, PH.D.Los Angeles, CA 900271336576453
  31. Russel Kayser, PSY.D.Half Moon Bay, CA 940191902133853
  32. Chanel Kealoha, PSYDSan Diego, CA 921231376947119
  33. Kathryn Kearney-Parker, PSYDWalnut Creek, CA 945961881826139
  34. John KeayPasadena, CA 911011801661905
  35. Julie Keck, PHDRancho Santa Margarita, CA 926881235645730
  36. Edward Keehn, PSYDEncinitas, CA 920241801081567
  37. Joseph Keenan, PH.D.San Jose, CA 951191588712715
  38. Melinda Keenan, PHDMather, CA 956551619946449
  39. Rachel KeenerRancho Cucamonga, CA 917301356138424
  40. Caitlin Kehoe, PHDPalo Alto, CA 943041194647545
  41. Mitchell Keil, PSYDNewport Beach, CA 926601235647280
  42. Cassmier KellerPasadena, CA 911011457209827
  43. Lisa Keller, PSY.D.Los Gatos, CA 950301710049861
  44. Robin Keller, PHDBerkeley, CA 947041346344645
  45. Thomas Keller, PH.D.La Mesa, CA 919411912914375
  46. Rachel Kelley, MSSanta Rosa, CA 954011871738435
  47. Richard Kelliher, PSYDSanta Barbara, CA 931011851374235
  48. Laura Kellison, PSY.D.Petaluma, CA 949521760538896
  49. Barbara Kelly, PHDSan Diego, CA 921031043349152
  50. Carol Kelly, ED.D.Los Angeles, CA 900641528249091

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.