NPPES file of Aug 9, 2026

Specialist in Illinois

1,154 NPPES records list specialist with a practice address in Illinois, 9 per 100,000 residents, the 35th highest rate of 51. Chicago and Evanston have the most; each record links to the provider's NPI and the Illinois license search. Page 5 of 24.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · 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, 231

  1. Chicago231
  2. Evanston36
  3. Rockford21
  4. Freeport20
  5. Naperville20

Specialist records in Illinois

  1. Joseph Costello, MDSwansea, IL 622261073607651
  2. Michele Couri, M.D.Peoria, IL 616141861471583
  3. Lisa CoxPalmyra, IL 626741598901563
  4. Ashley CozziNaperville, IL 605401760872642
  5. Benjamin CrabtreeChicago, IL 606571043574247
  6. Ashley Craig, D.T.Mattoon, IL 619381902043219
  7. Candace Crawford, OTWarrenville, IL 605551447203302
  8. Dania Cross, DTChicago, IL 606201568586527
  9. Lynn Crouch, DTSpringfield, IL 627031639214810
  10. Carrie Crozier-Arena, PHYSICAL THERAPISTDarien, IL 605611154657732
  11. Felicia Crump, D.T.Chicago, IL 606431831214394
  12. Kathleen Cummings, OTRLGurnee, IL 600311881742914
  13. James Curtis, M.D.St Charles, IL 601741952354243
  14. Jeanne Cygnus, IBCLC, PMH-CMundelein, IL 600601154537389
  15. Katarzyna CywinskaChicago, IL 606381679808711
  16. Chandra Dachepalli, AUDWoodridge, IL 605171821152372
  17. Renata Dadez-HeplerFreeport, IL 610321043488984
  18. Kelley DagdickRound Lake, IL 600731093121840
  19. Christine Dagenais, PTAWheaton, IL 601871790948107
  20. Julie Dahlke, MT-BCMahomet, IL 618531295945988
  21. Dianna Dakhniy, MASSAGE THERAPISTChicago, IL 606101710222781
  22. Tiara Damper, DTEvergreen Park, IL 608051922242486
  23. Sara DamraMacomb, IL 614551457039620
  24. Julie Danielson, DPTSandwich, IL 605481598028631
  25. Catherine Dannenbrink, COTA/LBelleville, IL 622231952593196
  26. Mary DarinCrest Hill, IL 604351720113103
  27. Andrea Das, M.D.Hoffman Estates, IL 601941477608743
  28. Margaret Dauphin-Van Dyk, M.D.Chicago, IL 606571801852926
  29. Ann Davidsen, OTR/LLake Forest, IL 600451982832382
  30. James Davis, MDNaperville, IL 605401023051315
  31. Lenor Davis, BSPTDes Plaines, IL 600161871648261
  32. Nichole Dawson, PH.D.Hinsdale, IL 605211578780151
  33. Jeanne De Lisle, PTPark Ridge, IL 600681205076874
  34. Kneisha DeanChicago, IL 606241972474583
  35. Alan Debord, MDPeoria, IL 616031902864796
  36. Adrian Deme, MDArlington Heights, IL 600041700882107
  37. Pamela Denhof, ATCSt Charles, IL 601741043283526
  38. Gordon Derman, M. D.Chicago, IL 606121184679235
  39. Elsy Devassy, M.D.Lockport, IL 604411417950783
  40. Allen Devleschoward, M.D.Decatur, IL 625261326191503
  41. Dina Devries, DTS,EVALUATORWheaton, IL 601891144456534
  42. Ellen DialElgin, IL 601231851845499
  43. Isabel DiazChicago, IL 606141871951210
  44. Herman Dick, M.D.Bloomington, IL 617041891891370
  45. Colleen Dickey, DTBelvidere, IL 610081851568414
  46. Carmen Digiovine, PHD, ATP, RETWheaton, IL 601871245451954
  47. Kelly DineenChicago, IL 606111871592543
  48. Ester Dionisio, MDChicago, IL 606221265598486
  49. W. Paul Dmowski, M.D., PH.D.Oak Brook, IL 605231487657318
  50. Elena Dockter, DTSpringfield, IL 627121528217593

Source: CMS NPPES, primary taxonomy 174400000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 35 of 51 per resident

  1. Wyoming9
  2. Nebraska9
  3. Virginia9
  4. Illinois9
  5. Idaho9
  6. Vermont9
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

19.1% of these records appear in a Medicare file, against 17.0% 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. Illinois19.1%
  2. United States17.0%

Specialist records in Illinois, measured

  • In a Medicare file220 of 1,154 · 19.1% here, 17.0% nationally
  • In the CMS Doctors and Clinicians file127 · 11.0% here, 11.1% nationally
  • Not updated in five years or more968 · 83.9% here, 77.3% nationally
  • Median graduation year1988 · the 127 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 174400000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,154 NPPES records list specialist (174400000X) as their primary taxonomy with a practice address in Illinois: 9 per 100,000 residents against 18 nationally (50 states and D.C.). Chicago has 231 of them (20%).

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. Colorado1,105
  2. Massachusetts1,096
  3. Oregon1,085
  4. New Hampshire1,010

States with a similar rate per 100,000

  1. Virginia9.2
  2. Nebraska9.3
  3. Idaho9.0
  4. Wyoming9.4

The largest states

  1. New York22,636
  2. California5,749
  3. Florida2,685
  4. Washington2,609
  5. Pennsylvania2,031

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.