NPPES file of Aug 9, 2026

Clinical Psychologist in Illinois

3,947 NPPES records list clinical psychologist with a practice address in Illinois, 31 per 100,000 residents, the 8th highest rate of 51. Chicago and Evanston have the most; each record links to the provider's NPI and the Illinois license search. Page 38 of 79.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103TC0700X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Chicago has the most, 1,478

  1. Chicago1,478
  2. Evanston158
  3. Naperville137
  4. Northbrook87
  5. Oak Park83

Clinical Psychologist records in Illinois

  1. Shira Kirshner, PSYDSkokie, IL 600761528738705
  2. Isabella Kistulinec, PSYDAddison, IL 601011083451272
  3. Dena Klapperich, PSY.D.Vernon Hills, IL 600611932295458
  4. Brian Klassen, PHDChicago, IL 606121568825412
  5. Katherine Klehr, PHDNorthbrook, IL 600621144325820
  6. Andrea Klein, PHDChampaign, IL 618221033135397
  7. Olivia Kleinman, PSY.D.Oak Brook, IL 605231982546925
  8. Riley Klink, PSYDBatavia, IL 605101417747817
  9. Susan Klock, PHDChicago, IL 606111396752903
  10. John Kluczynski, PSY.D.Oak Brook, IL 605231881708188
  11. Fred Klug, PH.D.Nashville, IL 622631649458191
  12. Edward Klutcharch, PSY.D.Countryside, IL 605251861734600
  13. John KnappWilmette, IL 600911104218627
  14. Natasha Knezevic, PSY.D.Naperville, IL 605641093474579
  15. Andrew Knight, PH.D.Chicago, IL 606571629219779
  16. Emily Knight, PH.D.Glencoe, IL 600221528154317
  17. Tracy Knight, PH.D.Macomb, IL 614551861618076
  18. Michael Knobeloch, PSY.D.Decatur, IL 625261619396736
  19. Lynne Knobloch-Fedders, PHDEvanston, IL 602011427198647
  20. Emily Knotek, PSY.D.Chicago, IL 606261376699058
  21. Jennifer Knuepfer, PSYDChicago, IL 606131205423076
  22. Erika Knuth, PHDEvanston, IL 602011992084578
  23. Kelly Knutson, PSY.D.Bloomington, IL 617041326352881
  24. Lauren Koby, PSYDChicago, IL 606151003374521
  25. Jennifer Koch, PSY.D.Bloomington, IL 617041528207784
  26. Karen Koch, PSYD.Chicago, IL 606031386868560
  27. Laura Koehler, PSYDChicago, IL 606221073927273
  28. Judy Koenigsberg, PH.D.Evanston, IL 602011174507008
  29. Julia Kogan, PSYDChicago, IL 606121851847628
  30. John Koh, PSY.DEvanston, IL 602011720453160
  31. Marilyn Kohl, PH.D.Savoy, IL 618741316087224
  32. Kristy Kohler, PH.D.Chicago, IL 606541477876795
  33. Erinn Kohn, PSYDChicago, IL 606461770123564
  34. Terrence Koller, PH.D.Evanston, IL 602011487647715
  35. Lizabeth Kollmorgen, PSY.D.Northbrook, IL 600621174654990
  36. Jennifer KolzeCrystal Lake, IL 600141588101992
  37. Michael Komie, PHD.Chicago, IL 606011063538486
  38. Iwona Konczak, PSY.DArlington Heights, IL 600051568642015
  39. Brian KongChicago, IL 606471518366004
  40. Lisa Konick, PHDNaperville, IL 605401548548092
  41. Ayako Konno, PSY.D.Chicago, IL 606011114221082
  42. Madeline Konsor, PHDChicago, IL 606121083488241
  43. Abigail Kopelman, PHDLibertyville, IL 600481629642699
  44. Rebecca Kopper, MAChicago, IL 606401447993878
  45. Marshall Kordon, PSY.D.Chicago, IL 606401487689972
  46. Rachel Kornacker, PSY.DBannockburn, IL 600151952067233
  47. Shirley Kosko, PSYDLake Bluff, IL 600441588695324
  48. Konstantinos Kostas, PHDChicago, IL 606401629047469
  49. Andrea Kosten, PSY.D.Arlington Heights, IL 600051275913550
  50. Tetyana Kostyshyna, PSYD, LCPC, LSOE/TPSt Charles, IL 601741083168041

Source: CMS NPPES, primary taxonomy 103TC0700X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 8 of 51 per resident

  1. Hawaii45
  2. New York34
  3. California32
  4. Illinois31
  5. Connecticut31
  6. Michigan30
  7. 50 states and D.C.20

Source: CMS NPPES, primary taxonomy 103TC0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

16.0% of these records appear in a Medicare file, against 12.2% 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. Illinois16.0%
  2. United States12.2%

Clinical Psychologist records in Illinois, measured

  • In a Medicare file631 of 3,947 · 16.0% here, 12.2% nationally
  • In the CMS Doctors and Clinicians file1,081 · 27.4% here, 22.4% nationally
  • Not updated in five years or more2,674 · 67.7% here, 65.3% nationally
  • Median graduation year2004 · the 1,081 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103TC0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,947 NPPES records list clinical psychologist (103TC0700X) as their primary taxonomy with a practice address in Illinois: 31 per 100,000 residents against 20 nationally (50 states and D.C.). Chicago has 1,478 of them (37%).

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. Massachusetts3,185
  2. Florida2,980
  3. Michigan2,965
  4. Texas2,732

States with a similar rate per 100,000

  1. Connecticut30.8
  2. California32.5
  3. New York33.5
  4. Colorado28.1

The largest states

  1. California12,647
  2. New York6,558
  3. Massachusetts3,185
  4. Florida2,980
  5. Michigan2,965

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.