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 56 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. Heather Perez, PSY.D.Bourbonnais, IL 609141013559665
  2. Magdalena Perez-Villlanueva, PHDSchaumburg, IL 601731639413412
  3. Lisa Perino, PSY DRochelle, IL 610681316995848
  4. Henry Perkins, PH.D.Chicago, IL 606011821207838
  5. Barbara Perlman, PHDBannockburn, IL 600151043370034
  6. Toby Perlman, PH.D.Vernon Hills, IL 600611528246261
  7. Elizabeth Perri, PSY.D.Chicago, IL 606101104106145
  8. Melissa Perrin, PSYDEvanston, IL 602011982181533
  9. Darlene PerryChicago, IL 606021528508744
  10. Christine Perschau, PSYDTinley Park, IL 604771265868186
  11. Nadia Pershad, PSY.D.Chicago, IL 606021033271556
  12. Rebekah Pershing, MD- PHYCHOLOGYBatavia, IL 605101114213675
  13. Irena Persky, PHDHines, IL 601411265667745
  14. Christine Petersen, PSY DEvanston, IL 602011033217385
  15. Anthony Peterson, PSY.D.North Chicago, IL 600641265456024
  16. James Peterson, PHD ABPNCarbondale, IL 629011376661272
  17. Julie Peterson, PSY.D.Hinsdale, IL 605211689015992
  18. Kalena Peterson, PSYD., LPChicago, IL 606061699385161
  19. Gail Petrich, PSY.D.Chicago, IL 606021134249154
  20. Natalie Petrovich, PSY.D.Chicago, IL 606541649764010
  21. Laura Pettineo, PHDGlenview, IL 600261912319484
  22. Kelly Pettit, PSYDMcHenry, IL 600501194999409
  23. Mary Pfeiffer, PH.D.Chicago, IL 606111164648697
  24. Karen Pfost, PH.D.Bloomington, IL 617011689890964
  25. Kelley PhanChicago, IL 606111114433463
  26. Kathleen Philben, PH.D.Wilmette, IL 600911851446645
  27. Daniel Phillip, PSY.D.Evanston, IL 602021508257684
  28. Matthew Phillips, PSYDChicago, IL 606121316767981
  29. Michelle Piasecki, PSY.DLibertyville, IL 600481568265213
  30. Michael Pica, PSY.D.Saint Charles, IL 601751356455505
  31. Nancy Picard, PH.D.Chicago, IL 606401316544158
  32. Gina Picchiotti, PSYDChicago, IL 606011083151443
  33. Rene Pichler-Mowry, PHD., HSPPHines, IL 601411386741015
  34. Angela Picot Derrick, PH.D.Chicago, IL 606041659599009
  35. Charlene Pierce, PSYDPlainfield, IL 605441043383714
  36. Danielle Pierson, PSYDOrland Park, IL 604621528871902
  37. Megan Pietrucha, PSY.D.Chicago, IL 606541679919567
  38. Catherine Pines, PH.D.Chicago, IL 606571760556153
  39. Michael Pinkowski, PH.D.Grayslake, IL 600301992944854
  40. Allayna Pinkston, PSY.D.Chicago, IL 606401760931695
  41. William Pinsof, PHDChicago, IL 606031316066715
  42. Lisa Pinto, PSYDNaperville, IL 605401053417097
  43. Geraldine Piorkowski, PHDChicago, IL 606021710080510
  44. Daniel Piper, PSY.D.Crystal Lake, IL 600121346788817
  45. Lauren Piper, PHDChicago, IL 606111003458720
  46. Vincent Pisani, PHDChicago, IL 606461457438962
  47. Charles Pistorio, PH.D.Glenview, IL 600251922253848
  48. Swati Pitale, PSY.D.Chicago, IL 606041629391065
  49. Donna Pittman, PH.D.Chicago, IL 606491508981564
  50. Heather Plastaras, PSY.D.Chicago, IL 606611730136078

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.