NPPES file of Aug 9, 2026

Anesthesiology Physician in Illinois

2,575 NPPES records list anesthesiology physician with a practice address in Illinois, 21 per 100,000 residents, the 11th highest rate of 51. Chicago and Maywood have the most; each record links to the provider's NPI and the Illinois license search. Page 33 of 52.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207L00000X · 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, 1,113

  1. Chicago1,113
  2. Maywood153
  3. Evanston75
  4. Park Ridge71
  5. Arlington Heights68

Anesthesiology Physician records in Illinois

  1. Sumol Nedumgottil, MDChicago, IL 606171427117993
  2. Thomas Neff, MDBerwyn, IL 604021679504898
  3. Gregory Nelcamp, MDBelleville, IL 622201538110259
  4. Amelia Nelson, M.D.Chicago, IL 606371427379833
  5. Jesse Nelson, MDPark Ridge, IL 600681033789805
  6. Lakshmi Nemani, MD, MPHChicago, IL 606111770088239
  7. Rimas Nemickas, MDSilvis, IL 612821043290125
  8. Michael Nemsick, MDLoves Park, IL 611111417696600
  9. Mark Nessim, M.D.Dekalb, IL 601151780840488
  10. Kaitlyn Neumann, M.D.Chicago, IL 606111528421021
  11. Janet Newman, M.D.Chicago, IL 606121154416436
  12. Edith Newsome, M.D.Loves Park, IL 611111376579722
  13. Vanessa NgChicago, IL 606371831622182
  14. Zelle Ngundji, MDChicago, IL 606121285338640
  15. Alexandra Nguyen, MDMaywood, IL 601531356143093
  16. Bao Nguyen, M.D.Downers Grove, IL 605151134333677
  17. Linh Nguyen, M.D.Quincy, IL 623011063554681
  18. Victor NguyenChicago, IL 606371588245989
  19. Vivian Nguyen, DOMaywood, IL 601531952005548
  20. Vanessa Niba, MDChicago, IL 606111780207159
  21. Jacob Nieb, MDChicago, IL 606111326594508
  22. Linda Nikho, M.DWinfield, IL 601901558304899
  23. Elaine Nikolov, MDChicago, IL 606121588351373
  24. Michael Nikolov, M.D.Elgin, IL 601231093872822
  25. Hokuto Nishioka, MDChicago, IL 606121144416306
  26. Martin Nitsun, M.D.Evanston, IL 602011548204365
  27. Heather Nixon, M.D.Chicago, IL 606121992900468
  28. Junaid NizamuddinChicago, IL 606371124278346
  29. Sarah NizamuddinChicago, IL 606371215257076
  30. Cynthia Nkana, MDDanville, IL 618321295800266
  31. Yamin Noor, M.D.Chicago, IL 606111801242888
  32. Brian Nordstrom, MDChicago, IL 606121770143687
  33. Richard Noren, M.D.Park Ridge, IL 600681467410712
  34. Donald Normoyle, MDRock Island, IL 612011760461438
  35. James Norris, M.D.Great Lakes, IL 600881528028644
  36. Luke Northern, M.D.Elk Grove Village, IL 600071669644308
  37. Nasim Nourmohammadi, D.OChicago, IL 606161881049286
  38. Todd Novak, MDChicago, IL 606111982730388
  39. Lindsay Nowak, MDChicago, IL 606121992201180
  40. Mary Francis Nuguid, MDRock Island, IL 612011417936030
  41. Phillip NulmanOak Lawn, IL 604531669939278
  42. Mark Nunnally, MDChicago, IL 606371144385360
  43. Charles Nye, M.D.East Saint Louis, IL 622011225144348
  44. Brent O'Connor, M.D.Wilmette, IL 600911063759637
  45. Michael O'ConnorChicago, IL 606371083731327
  46. Michael O'Rourke, M.D.Maywood, IL 601531619149614
  47. Sabin Oana, M.DMaywood, IL 601531063454726
  48. Ronald Oberfoell, D.O.Rockford, IL 611031760472898
  49. Genevieve Obrochta, M.D.Chicago Heights, IL 604111508898685
  50. Ronald Oconer, D.O.Harvard, IL 600331649473729

Source: CMS NPPES, primary taxonomy 207L00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 11 of 51 per resident

  1. New Hampshire22
  2. Indiana21
  3. Vermont21
  4. Illinois21
  5. Colorado20
  6. Maryland20
  7. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 207L00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

71.2% of these records appear in a Medicare file, against 73.7% 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. Illinois71.2%
  2. United States73.7%

Anesthesiology Physician records in Illinois, measured

  • In a Medicare file1,833 of 2,575 · 71.2% here, 73.7% nationally
  • In the CMS Doctors and Clinicians file1,608 · 62.4% here, 67.2% nationally
  • Not updated in five years or more1,225 · 47.6% here, 57.8% nationally
  • Median graduation year2006 · the 1,608 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207L00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,575 NPPES records list anesthesiology physician (207L00000X) as their primary taxonomy with a practice address in Illinois: 21 per 100,000 residents against 18 nationally (50 states and D.C.). Chicago has 1,113 of them (43%).

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. Pennsylvania2,481
  2. Massachusetts2,089
  3. Ohio2,068
  4. Florida3,375

States with a similar rate per 100,000

  1. Colorado20.5
  2. Maryland20.3
  3. Vermont20.9
  4. Maine20.1

The largest states

  1. California7,571
  2. New York5,062
  3. Texas4,635
  4. Florida3,375
  5. Pennsylvania2,481

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.