NPPES file of Aug 9, 2026

Diagnostic Radiology Physician in Illinois

1,874 NPPES records list diagnostic radiology physician with a practice address in Illinois, 15 per 100,000 residents, the 11th highest rate of 51. Chicago and Springfield have the most; each record links to the provider's NPI and the Illinois license search. Page 24 of 38.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085R0202X · 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, 599

  1. Chicago599
  2. Springfield129
  3. Maywood113
  4. Evanston85
  5. Peoria75

Diagnostic Radiology Physician records in Illinois

  1. Soman Nair, MDDecatur, IL 625211023095601
  2. Shin Nam, M.D.Joliet, IL 604321083698831
  3. Tejvir Nanda, MDChicago, IL 606571578514048
  4. Mohammad Naseem, MDOak Lawn, IL 604531174599872
  5. Saad Naseer, MDBelleville, IL 622261356535306
  6. Craig Nasralla, M.D.Geneva, IL 601341952406415
  7. Sherwin Nassiri, MDChicago, IL 606571881334563
  8. David Nathan, M.D.Peoria, IL 616361831140607
  9. Rakesh NavuluriChicago, IL 606371871788323
  10. Mohammed NawazWiinfield, IL 601901649301177
  11. John Nayden, M.D.Frankfort, IL 604231437347978
  12. Alan Nazerian, M.D.Oak Brook, IL 605231235179409
  13. Dorothea NazosShorewood, IL 604041710427737
  14. Charles Neal, MDSpringfield, IL 627041164463816
  15. Tammam Nehme, MDTinley Park, IL 604871689652190
  16. Michael Nellamattathil, DOEvanston, IL 602011316309537
  17. Edward Nemec, M.D.Godfrey, IL 620351952657447
  18. Gregory Neri, M.D.Naperville, IL 605641679607485
  19. Erin Neuschler, M.D.Chicago, IL 606111710160429
  20. Geraldine Newmark, MDEvanston, IL 602011235165846
  21. Gillian Newstead, MDBurr Ridge, IL 605271508917576
  22. Edward Neyman, M.D.Arlington Heights, IL 600041104895838
  23. Huy Tram NguyenChicago, IL 606371770103806
  24. Kevin Nguyen, MDRockford, IL 611141114411584
  25. Richard Nichols, M.D.Chicago, IL 606081780849562
  26. Robert Niedermeyer, D.O.Chicago, IL 606371629460746
  27. Kathryn Niemeyer, M.D.Maywood, IL 601531649567330
  28. Vinay Nijhawan, MDChicago, IL 606121396716916
  29. Paul Nikolaidis, MDChicago, IL 606111902833346
  30. Suela Nikolla, MDChicago, IL 606371720974629
  31. Ravichai Nikrodhanond, M.D.Hines, IL 601411043326440
  32. Mark Nitekman, MDOak Lawn, IL 604531518941368
  33. Michael Nixon, M.D.Winfield, IL 601901285793364
  34. Rehan Nizamuddin, M.D.Evanston, IL 602011619322252
  35. Jonathan Nolan, M.D.Hinsdale, IL 605211225013246
  36. Paul Nolan, MDHazel Crest, IL 604291366837171
  37. Christopher Norbet, MDSpringfield, IL 627041003044819
  38. David Nordahl, M.D.Oak Brook, IL 605231003164997
  39. Robert Nordstrom, MDSpringfield, IL 627691639112113
  40. Joseph Norfray, MDChicago, IL 606571528018181
  41. Jackson Norman, MDChicago, IL 606141386638310
  42. Ashley Norton-Gregory, M.D.Springfield, IL 627031255788865
  43. Russell Norwood, MDBlue Island, IL 604061518935022
  44. Gary Novetsky, M.D.Skokie, IL 600761700879566
  45. Paolo Nucifora, MDMaywood, IL 601531003965799
  46. Steven NudoPalos Heights, IL 604631992786750
  47. Ogechi Nwosu Hickman, MDChicago, IL 606111578203253
  48. Steven Nydick, M.D.Gurnee, IL 600311144267162
  49. Kevin O'Brien, MDChicago, IL 606311346686474
  50. Erin O'Connor, MDMaywood, IL 601531487632584

Source: CMS NPPES, primary taxonomy 2085R0202X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 11 of 51 per resident

  1. New York16
  2. Michigan16
  3. Missouri16
  4. Illinois15
  5. New Hampshire14
  6. Maryland14
  7. 50 states and D.C.13

Source: CMS NPPES, primary taxonomy 2085R0202X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

71.3% of these records appear in a Medicare file, against 73.1% 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. Illinois71.3%
  2. United States73.1%

Diagnostic Radiology Physician records in Illinois, measured

  • In a Medicare file1,337 of 1,874 · 71.3% here, 73.1% nationally
  • In the CMS Doctors and Clinicians file1,202 · 64.1% here, 68.5% nationally
  • Not updated in five years or more813 · 43.4% here, 56.9% nationally
  • Median graduation year2004 · the 1,201 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085R0202X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,874 NPPES records list diagnostic radiology physician (2085R0202X) as their primary taxonomy with a practice address in Illinois: 15 per 100,000 residents against 13 nationally (50 states and D.C.). Chicago has 599 of them (32%).

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. Minnesota1,700
  2. Massachusetts1,658
  3. Michigan1,584
  4. Ohio1,582

States with a similar rate per 100,000

  1. New Hampshire14.3
  2. Maryland14.2
  3. Missouri15.8
  4. New York16.1

The largest states

  1. California4,500
  2. New York3,146
  3. Texas3,124
  4. Florida2,761
  5. Pennsylvania2,199

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.