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 70 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. Mary Strain, PHDBarrington, IL 600101558541227
  2. Angelique Strand, PHDOakbrook Terrace, IL 601811174691745
  3. Jessica Strang, PSY.D.Evanston, IL 602011053628909
  4. Megan Stranski, PSYDBurr Ridge, IL 605271497374326
  5. Maureen Stress, PH.D.Chicago, IL 606111427180389
  6. Johanna Strokoff, PHDChicago, IL 606251053840207
  7. Paulette Stronczek, PH.D.Evanston, IL 602011093904187
  8. Laura Strong, PSYDCrystal Lake, IL 600121740678754
  9. Linda Strozdas, PSYDChicago, IL 606121215004163
  10. Scott Stubenrauch, PSYDNew Lenox, IL 604511295069029
  11. Michele Studl, PHDWinnetka, IL 600931528163078
  12. Judith Stuhr, PH.D.Chicago, IL 606021063589315
  13. Caitlin Stumpner, PSY.D.Chicago, IL 606131740736859
  14. Allyse Sturdivant, PH.D.Chicago, IL 606541891234548
  15. Ralph Sturgeon, PHDHomewood, IL 604301043315088
  16. John Stutesman, PSYDChicago, IL 606111740363753
  17. Tamara Suarez, PSY.D.St Charles, IL 601741174535702
  18. Barbara Such, PSY.D.Cicero, IL 608041518088533
  19. Naomi SugunasinghaChicago, IL 606011043552342
  20. Soyoung Suh, PH.DDowners Grove, IL 605151649743055
  21. Kristen Suing, PSY.D.Naperville, IL 605401205362977
  22. David Suire, PH.D.Plainfield, IL 605441992095889
  23. Elizabeth Sukowicz, PH.D.Harvard, IL 600331134215130
  24. Therese Sulentich, PSY.D.Lake Forest, IL 600451437246261
  25. Bryce Sullivan, PH.D.Edwardsville, IL 620251093886236
  26. Gerald Sullivan, PSYDPalatine, IL 600671992921662
  27. Megan Sullivan, PSYDNaperville, IL 605641881210490
  28. Dustin Summers, PSYDPlainfield, IL 605441447526447
  29. Frank Summers, PH.D.Chicago, IL 606111316122955
  30. Linda Summers, PSY.D.Collinsville, IL 622341639107584
  31. Nicole Summers, PSYDNorthbrook, IL 600621043860034
  32. Randall Summerville, PSYDLombard, IL 601481821180803
  33. Rachel Suntay Zahn, PSYD.Chicago, IL 606231386960375
  34. Jennifer Suor, PH.D.Chicago, IL 606081104508498
  35. Marilyn Susman, PH.D.Evanston, IL 602011578576849
  36. Paul Susman, PHDNorth Chicago, IL 600881720059157
  37. Rita Sussman, PHDChicago, IL 606021740353168
  38. Andrew Suth, PH.D.Yorkville, IL 605601679663991
  39. Mary Morag Sutherland, PSY.D.Park Ridge, IL 600681255651162
  40. Kirsten Svejda, PSYDOak Park, IL 603011700059714
  41. Micah Swansey, PSYDCalumet City, IL 604091932224185
  42. Robert Swanson, PH.D.Oak Park, IL 603021841207339
  43. Brenda Swartz, PSY.D.Maywood, IL 601531962569954
  44. Basman Sweis, PSY. D.Countryside, IL 605251417017153
  45. Jennifer Swensen, PSY.D.Glencoe, IL 600221194160333
  46. Thomas Swietzer, LCPCNew Lenox, IL 604511316099807
  47. Lauren Swift, PHDWilmette, IL 600911376019950
  48. Kimberly Swiss, PSYDChicago, IL 606011306236005
  49. Robert Switzer, PSY.D.Chicago, IL 606541659488534
  50. Harvey Switzky, PH.D.Dekalb, IL 601151316055569

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.