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 77 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. Ashley Whittington-Barnish, LCP, BCBA-DFrankfort, IL 604231104194745
  2. Bonnie Whyte, PH.D.Des Plaines, IL 600161033277017
  3. Jillian Wickery, PH.D.Park Ridge, IL 600681770816803
  4. Ian Wickramasekera, PSY.D.Chicago, IL 606261346438207
  5. Daniella Wiegand, PSY.D.Vernon Hills, IL 600611033295902
  6. Lora Wiens, PSY.D.Barrington, IL 600101275795957
  7. Theresa Wier, PSYD, LPCOak Park, IL 603011255516001
  8. Neurine Wiggin, PSY.D.Glencoe, IL 600221346211570
  9. Lauren Wiklund, PHDChicago, IL 606041144100264
  10. Jerome Wilczynski, PSY.D.Chicago, IL 606131710067590
  11. Hillary Wildt, PSY.D., L.C.POak Lawn, IL 604531518406412
  12. Judith WilenChicago, IL 606111992876684
  13. Florentine Wilk, PSYDElgin, IL 601231851628762
  14. Stacey Willard, PSY.D.Chicago, IL 606061750746566
  15. Janet Willer, PH.D.Chicago, IL 606401982686531
  16. Shellie Willet-Kruchko, PHDNaperville, IL 605651548356843
  17. Alexander Willett, PSYDBloomington, IL 617041710493770
  18. Paul Willett, PH.D.Bloomington, IL 617011710199948
  19. Madeline William, PSY.D.Chicago, IL 606421255798039
  20. Caitlin Williams, PSY.D., LCPChicago, IL 606211447770060
  21. David Williams, PHDDanville, IL 618321760584882
  22. Eddie Williams, PH.D.North Chicago, IL 600641841208428
  23. Janette Williams, PSYD, HSPPNaperville, IL 605631487829768
  24. Linda Williams, PH.D.Danville, IL 618321649470279
  25. Lydia Williams, PH.D.Mount Vernon, IL 628641184721110
  26. Maryanne Williams, PSY.D.Chicago, IL 606161407145519
  27. Karen Williamson, PHDNorthbrook, IL 600621578597134
  28. Cindi-Marie Willoughby, PSY. D.Park Ridge, IL 600681487929345
  29. Beth Wilner, PH.D.Schaumburg, IL 601731003095993
  30. Annette Wilson, M.A.Downers Grove, IL 605151497995906
  31. Catherine Wilson, PSY.DChicago, IL 606111114961265
  32. Elizabeth Wilson, PHDChicago, IL 606121871322917
  33. Jennifer Wilson, PSYDRockford, IL 611081114076460
  34. Judy Wilson, PSY.D.Naperville, IL 605401437267614
  35. Toyah Wilson, PSY.D.Schaumburg, IL 601731811040496
  36. Peggy Wingo, PH.D.,LLCLibertyville, IL 600481326244625
  37. Dominika Winiarski, PHDChicago, IL 606121003375981
  38. Marrea Winnega, PH.D.Chicago, IL 606081114025434
  39. Matthew Winstanley, PSY.D.Chicago, IL 606111225175151
  40. Krysta Winters, PSY.D.St Charles, IL 601741508870452
  41. Kirk Witherspoon, PHDMoline, IL 612651437242773
  42. Stephen Withrow, PSYDSycamore, IL 601781447263041
  43. Sally Witt, PH.D.Arlington Heights, IL 600041326132911
  44. Molly Witten, PH.D.Chicago, IL 606031992728638
  45. Meghan Wittenborn, PSY.D.Oak Brook, IL 605231194116046
  46. Noam Wittlin, PH.D.Chicago, IL 606021326324880
  47. Marjorie Witty, PH.D.Chicago, IL 606461760506612
  48. Theodore Witzig, PH.D.Morton, IL 615501063760007
  49. Steven Wodka, PSY DSchaumburg, IL 601731225099872
  50. Harvey Wolf, PSY.D.Arlington Hts, IL 600051639252612

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.