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 41 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. Morgan Lasley, PSYDKenilworth, IL 600431821623372
  2. Victoria Lasser, PHDGlencoe, IL 600221043597586
  3. Nicholas Lattanzio, PSYDSt Charles, IL 601741346901667
  4. Emily LattieChicago, IL 606181891417010
  5. Martha Lauber, PH.DNorthfield, IL 600931922153857
  6. Matthew Lauer, PSY.D.Plainfield, IL 605441366775256
  7. Brooke Laufer, PSY.D.Evanston, IL 602021689826331
  8. Stephanie Launer, PSY.DGlenview, IL 600261982115705
  9. Patricia Lavallee, PH.D.Wilmette, IL 600911720485436
  10. Rhiannon Law, PH.D.Des Plaines, IL 600161528492204
  11. Gerald Lawm, PH.D.Naperville, IL 605641821284423
  12. Angela Lawson, PH.D.Chicago, IL 606111780829937
  13. Virginia Lazarus, PSY.DEvanston, IL 602011619019080
  14. Brian Lazzaro, PH.D.Park Ridge, IL 600681972054104
  15. David Le, PSY.D.Chicago, IL 606031013309426
  16. Jean Leahy, PSY.D.Chicago, IL 606111508915414
  17. Barry Leavitt, PSYDChicago, IL 606461588667315
  18. Frank Leavitt, PH.D.Wilmette, IL 600911124134804
  19. Jay Lebow, PH.D.Evanston, IL 602011669595211
  20. Daniel Lee, PSYDWarrenville, IL 605551982616876
  21. Eric Lee, PHDCarbondale, IL 629031902480833
  22. Eun-Yeop Lee, PHDMokena, IL 604481982970836
  23. Jean Lee, PSYDEvanston, IL 602011265582993
  24. Mary Lee, PSYDChicago, IL 606371356118012
  25. Michelle Lee, PH.D.Hinsdale, IL 605211528361029
  26. William Lee, ED.D.Lake Bluff, IL 600441164418802
  27. Robert Lees, PH.D.River Forest, IL 603051396763660
  28. John Leffel, PSY.D., L.C.P.Skokie, IL 600761205146958
  29. Leone Legan, PSYDPeoria, IL 616141710954953
  30. Nicole Legate, PHDChicago, IL 606161669291662
  31. Brenda Lehman, PH.D.Chicago, IL 606021174833990
  32. Kenneth Lehman, PH.D.Chicago, IL 606121194094102
  33. Jennifer Lehmann, PH.D.North Chicago, IL 600641255092961
  34. Renanah Lehner, PH.D.Chicago, IL 606111114168424
  35. Zoe Leibowitz, PSY.D.Chicago, IL 606111699040147
  36. Martin Leichtman, PH. D.Naperville, IL 605641700823390
  37. Gloria Leitschuh, PHDAshmore, IL 619121861690653
  38. Ashley Leja Lesslie, PH.D.Northfield, IL 600931639746605
  39. Linda Leksas, PH.D.Hinsdale, IL 605211497746325
  40. Stefanie Lem, PSYDKankakee, IL 609011629567185
  41. Kelly Lemaire, PHDChicago, IL 606131619609096
  42. Michelle LemayChampaign, IL 618201437091782
  43. Kimberly Lemke, PSYDArlington Heights, IL 600051134264534
  44. Lacey Lemke, PSY.D.Hoffman Estates, IL 601691144761040
  45. Martin Lemon, PH.D.Warrenville, IL 605551063650141
  46. Todd Lendvay, PSY.D.Inverness, IL 600671417010687
  47. Robert Lentz, PH.D.Champaign, IL 618211356334536
  48. Scott Leon, PH.D.Glenview, IL 600251538905583
  49. Julie Leonard, PSYDOrland Park, IL 604621194783589
  50. Caroline Leonczyk, PHDChicago, IL 606121962065532

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.