NPPES file of Aug 9, 2026

Hospitalist Physician in Illinois

1,535 NPPES records list hospitalist physician with a practice address in Illinois, 12.2 per 100,000 residents, the 7th highest rate of 51. Chicago and Evanston have the most; each record links to the provider's NPI and the Illinois license search. Page 31 of 31.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208M00000X · 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, 431

  1. Chicago431
  2. Evanston128
  3. Winfield74
  4. Maywood55
  5. Palos Heights53

Hospitalist Physician records in Illinois

  1. Nicole Yun, MDChicago, IL 606121083270649
  2. Omer Yusaf, MDJoliet, IL 604351669585956
  3. Margaret Zabiega, M.D.Joliet, IL 604351578564654
  4. Alireza Zadsalamat, DOOlympia Fields, IL 604611548588635
  5. Aleem Zafar, M.D.Geneva, IL 601341104276591
  6. Alexandre Zaharia, M.D.Chicago, IL 606371801141569
  7. Zubair Zaheer, DOLombard, IL 601481508215708
  8. Farah Zahra, M.D.McHenry, IL 600501730380577
  9. Kevin Zahraee, M.D.Geneva, IL 601341962821892
  10. Ajlal Zaidi, MDDekalb, IL 601151972242535
  11. Alaa ZaiedHinsdale, IL 605211306341391
  12. Bilal Zakria, M.D.Oak Park, IL 603021295083210
  13. Anna Zaleska, MDOrland Park, IL 604671720216526
  14. Syed Zaman, M.D.Evergreen Park, IL 608051427032036
  15. Nicholas ZanghiOlympia Fields, IL 604611659900819
  16. Andrew Zasada, MDEvanston, IL 602011386264943
  17. Andrew Zasada, M.D.Mattoon, IL 619381679590269
  18. Carlos Zavala, MDChicago, IL 606371053035857
  19. Hythem Zayed, MD, MPHBolingbrook, IL 604401225217748
  20. Colin Zepeda, MDElk Grove Village, IL 600071861751729
  21. Joseph Zerrudo, M.D.Hoffman Estates, IL 601691164477733
  22. Leonid Zetser, MDChicago, IL 606251174577340
  23. Wanna Zhang, M.D.Chicago, IL 606121023561859
  24. Zhipeng Zhang, MDEvanston, IL 602011720366313
  25. Rachel Zhuang, MDEvanston, IL 602011316560063
  26. Sareer Zia, MDHerrin, IL 629481073826269
  27. Patricia Ziegler, MDChicago, IL 606121609498393
  28. Karen Zimmerman, M.D.Arlington Heights, IL 600051457517054
  29. Matthew Zimmerman, MD, PHDChicago, IL 606111881343564
  30. Ronald Zimmermann, D.O.Naperville, IL 605401346404985
  31. Nikolay Zlatarov, DOWinfield, IL 601901174887871
  32. Mitchelle Zolotarevsky, MDEvanston, IL 602011780266981
  33. Kangni Zong-Grob, M.D.Arlington Heights, IL 600051336448927
  34. Alexandra Zubenko, MDChicago, IL 606111487159356
  35. Nicholas Zwang, MDHighland Park, IL 600351891925996

Source: CMS NPPES, primary taxonomy 208M00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 7 of 51 per resident

  1. Wisconsin15.1
  2. Missouri15.0
  3. Colorado13.7
  4. Illinois12.2
  5. Oregon11.1
  6. Hawaii11.1
  7. 50 states and D.C.8.3

Source: CMS NPPES, primary taxonomy 208M00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

92.2% of these records appear in a Medicare file, against 90.5% 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. Illinois92.2%
  2. United States90.5%

Hospitalist Physician records in Illinois, measured

  • In a Medicare file1,415 of 1,535 · 92.2% here, 90.5% nationally
  • In the CMS Doctors and Clinicians file1,340 · 87.3% here, 83.1% nationally
  • Not updated in five years or more488 · 31.8% here, 39.1% nationally
  • Median graduation year2013 · the 1,339 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208M00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,535 NPPES records list hospitalist physician (208M00000X) as their primary taxonomy with a practice address in Illinois: 12.2 per 100,000 residents against 8.3 nationally (50 states and D.C.). Chicago has 431 of them (28%).

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. Texas1,587
  2. Pennsylvania1,424
  3. Florida1,817
  4. New York2,067

States with a similar rate per 100,000

  1. Oregon11.1
  2. Hawaii11.1
  3. Connecticut11.1
  4. South Dakota10.8

The largest states

  1. California3,099
  2. New York2,067
  3. Florida1,817
  4. Texas1,587
  5. Pennsylvania1,424

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.