NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Illinois

666 NPPES records list hematology & oncology physician with a practice address in Illinois, 5.3 per 100,000 residents, the 10th highest rate of 51. Chicago and Maywood have the most; each record links to the provider's NPI and the Illinois license search. Page 13 of 14.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · 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. Maywood44
  3. Springfield31
  4. Park Ridge25
  5. Peoria24

Hematology & Oncology Physician records in Illinois

  1. Alkarim Tajuddin, M.D.Elk Grove Village, IL 600071922069160
  2. Monica Tamil, MDChicago, IL 606071467989186
  3. Keerthi Tamragouri, M.D.Bolingbrook, IL 604401477971216
  4. Praveena Tathineni, DONaperville, IL 605401386131720
  5. Karine Tawagi, MDChicago, IL 606121447633235
  6. Claudia Tellez, MDChicago, IL 606111114916517
  7. Michael ThirmanChicago, IL 606371356522460
  8. Korathu Thomas, MDChicago, IL 606221376565390
  9. Sachdev Thomas, MDPeoria, IL 616151245239367
  10. Kaoutar Tlemcani, M.D.Chicago, IL 606741023238862
  11. Tsvetelina TodorovaOak Lawn, IL 604531366947079
  12. Dragana Tomic, MDWarrenville, IL 605551356523898
  13. Jonathan Trujillo, M.D.Chicago, IL 606371801205208
  14. Madeleine Uelk, MDMaywood, IL 601531992332175
  15. Denis Umeh, M.D.Lincolnwood, IL 607121326232505
  16. Samir Undevia, MDNaperville, IL 605401740228857
  17. Srijan Valasapalli, MDUrbana, IL 618011649832981
  18. Michael Veeder, MDPeoria, IL 616151568463305
  19. Annabelle Veerapaneni, MDOak Brook, IL 605231407025208
  20. Jean Alyxa Vendiola, MDMaywood, IL 601531417417668
  21. Jennifer Veneris, MD PHDChicago, IL 606371467716977
  22. Carlos Vigil, MDChicago, IL 606111093914558
  23. Dario Villamar, M.D.New Lenox, IL 604511548791437
  24. Namita Vinayek, MDSpringfield, IL 627021881637049
  25. Ratan Vohra, MDChicago, IL 606571598701385
  26. Allen Vukov, MDPeoria, IL 616151396744611
  27. Sowjanya Vuyyala, MDElmhurst, IL 601261326422270
  28. Safwat Wahba, M.D.Urbana, IL 618011689707895
  29. Salman Waheed, M.D.Joliet, IL 604351104146505
  30. Hollis Walker, M.D.Elmhurst, IL 601261053622290
  31. Mark Walshauser, M.D.O Fallon, IL 622691306020664
  32. Alan Wan, D.O.Schaumburg, IL 601731669777074
  33. Amy Wang, MDEvanston, IL 602011497160584
  34. Surbhi Warrior, MD, MPHChicago, IL 606111144788233
  35. Michael Weinfeld, DOChicago, IL 606121902435183
  36. Jennifer WeissMaywood, IL 601531346771698
  37. Kristen Wendell, DONiles, IL 607141619219722
  38. Austin Wesevich, M.D.Chicago, IL 606371558893370
  39. Andrew Wiele, DOElmhurst, IL 601261447663539
  40. Diana Willadsen, M.D.Springfield, IL 627031528099793
  41. Christine Winter, MDHinsdale, IL 605211720069248
  42. Jane Winter, MDChicago, IL 606111306864160
  43. Bozena Witek, MDChicago, IL 606311275639585
  44. Alton Wong, MDChicago, IL 606291982681458
  45. Warren Wong, M.D.Hinsdale, IL 605211881749240
  46. Sulin Wu, MD, PHDChicago, IL 606371295296259
  47. Lai XuRolling Meadows, IL 600081336585132
  48. Sudha Yarlagadda, M.D.Schaumburg, IL 601731467831552
  49. Nina Yedavalli, M.D.Joliet, IL 604321306094842
  50. Chilakamarri Yeshwant, MDElgin, IL 601231518954890

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 10 of 51 per resident

  1. Maine5.5
  2. Connecticut5.5
  3. New Hampshire5.4
  4. Illinois5.3
  5. Maryland5.1
  6. Wisconsin5.0
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

83.8% of these records appear in a Medicare file, against 82.9% 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. Illinois83.8%
  2. United States82.9%

Hematology & Oncology Physician records in Illinois, measured

  • In a Medicare file558 of 666 · 83.8% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file461 · 69.2% here, 71.3% nationally
  • Not updated in five years or more324 · 48.6% here, 54.3% nationally
  • Median graduation year2003 · the 461 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

666 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Illinois: 5.3 per 100,000 residents against 4.2 nationally (50 states and D.C.). Chicago has 231 of them (35%).

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. Pennsylvania784
  2. Florida818
  3. Ohio513
  4. Washington476

States with a similar rate per 100,000

  1. New Hampshire5.4
  2. Connecticut5.5
  3. Maryland5.1
  4. Maine5.5

The largest states

  1. California1,583
  2. New York1,163
  3. Texas922
  4. Florida818
  5. Pennsylvania784

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.