NPPES file of Aug 9, 2026

Nephrology Physician in Illinois

572 NPPES records list nephrology physician with a practice address in Illinois, 4.6 per 100,000 residents, the 12th highest rate of 51. Chicago and Evergreen Park have the most; each record links to the provider's NPI and the Illinois license search. Page 11 of 12.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RN0300X · 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, 195

  1. Chicago195
  2. Evergreen Park19
  3. Maywood19
  4. Peoria19
  5. Joliet16

Nephrology Physician records in Illinois

  1. Stuart Sprague, DOEvanston, IL 602011114947124
  2. Parthasarathy Srinivasan, M.D.Galesburg, IL 614011134199359
  3. Anand Srivastava, MD, MPHChicago, IL 606111528384278
  4. Nicole StankusChicago, IL 606371942363452
  5. Donald Steinmuller, M.D.Vernon Hills, IL 600611982643573
  6. James Stim, MDRockford, IL 611071104827427
  7. Elzbieta Stob, M.D.Elk Grove Village, IL 600071902255185
  8. Benjamin Strickland, DOMelrose Park, IL 601601316566698
  9. Edward SuhHighland Park, IL 600351356879936
  10. Leon Sujata, MDGurnee, IL 600311154563724
  11. Azza Suleiman, M.D.Arlington Heights, IL 600051982684262
  12. Nuntida Surachaicharn, DOJoliet, IL 604351821625021
  13. Charles Sweeney, MDRockford, IL 611071063414944
  14. Sushant Taksande, MDOak Lawn, IL 604531336375096
  15. Ashraf Tamizuddin, M.D.Springfield, IL 627111255302626
  16. Tisha Joerla Tan, M.D.Crystal Lake, IL 600121881959872
  17. Ignatius Tang, M.D.Chicago, IL 606121790885572
  18. Roula Tanios, M.D.Quincy, IL 623011205857141
  19. Manish Tanna, MDMount Prospect, IL 600561821096470
  20. Lourdes Terrado, M.D.Flossmoor, IL 604221639274624
  21. Jugal Thaker, MDNormal, IL 617611891291522
  22. Rajashree ThirumeniChicago, IL 606121669115663
  23. Abraham Thomas, MDEvergreen Park, IL 608051255356689
  24. Merschelle Tindoy, MDChicago, IL 606121033806690
  25. Paritosh TiwariBourbonnais, IL 609141174696884
  26. Isabelle Dominique Tomacruz, MDChicago, IL 606371720812738
  27. Stephanie Toth-Manikowski, M.D.Chicago, IL 606121558650697
  28. Joshua Trob, M.D.Libertyville, IL 600481548217144
  29. Tomoki Tsukahara, M.D.Chicago, IL 606371154625838
  30. Jennifer Tuazon, M.D.Chicago, IL 606111275708109
  31. Suneel Udani, M.D.Hinsdale, IL 605211053517839
  32. Atta Ullah, MDMaywood, IL 601531225876725
  33. Erlandas Ulozas, MDUrbana, IL 618011699774158
  34. Daiva Valaitis, MDChicago, IL 606311114905544
  35. Diego Valenzuela, MDChicago, IL 606371609526987
  36. Abinay VanteruMattoon, IL 619381538906946
  37. Kavitha Vellanki, M.D.Maywood, IL 601531386805612
  38. Doreen Ventura, M.D.Downers Grove, IL 605151669735205
  39. Salvatore Ventura, MDBlue Island, IL 604061306843040
  40. Jane Vernik, M.D.Chicago, IL 606121467678896
  41. Leonard Vertuno, MDMaywood, IL 601531194702068
  42. Aarthi Vijaykumar, M.D.Elgin, IL 601231821215856
  43. Remegio Vilbar, MDChicago, IL 606221942259940
  44. Andrew Vissing, MDChicago, IL 606111265961593
  45. Sudesh Vohra, M.D.Chicago, IL 606571750351680
  46. Shuchi Vyas, MDHighland Park, IL 600351366612699
  47. Anuradha WadhwaMaywood, IL 601531306917752
  48. Osvaldo Wagener, M.D.Melrose Park, IL 601601770563009
  49. Delin Wang, M.D.Mount Prospect, IL 600561740544857
  50. Ryan Weiss, MDLa Grange Highlands, IL 605251295239762

Source: CMS NPPES, primary taxonomy 207RN0300X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 12 of 51 per resident

  1. Rhode Island4.7
  2. Connecticut4.6
  3. Missouri4.6
  4. Illinois4.6
  5. Minnesota4.5
  6. Hawaii4.5
  7. 50 states and D.C.4.0

Source: CMS NPPES, primary taxonomy 207RN0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

87.1% of these records appear in a Medicare file, against 85.8% 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. Illinois87.1%
  2. United States85.8%

Nephrology Physician records in Illinois, measured

  • In a Medicare file498 of 572 · 87.1% here, 85.8% nationally
  • In the CMS Doctors and Clinicians file433 · 75.7% here, 76.0% nationally
  • Not updated in five years or more221 · 38.6% here, 54.9% nationally
  • Median graduation year2002 · the 433 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RN0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

572 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in Illinois: 4.6 per 100,000 residents against 4 nationally (50 states and D.C.). Chicago has 195 of them (34%).

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. Ohio499
  2. Pennsylvania651
  3. New Jersey433
  4. Georgia417

States with a similar rate per 100,000

  1. Minnesota4.5
  2. Hawaii4.5
  3. Missouri4.6
  4. Connecticut4.6

The largest states

  1. California1,468
  2. Texas1,159
  3. New York1,049
  4. Florida840
  5. Pennsylvania651

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.