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 8 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. George Naratadam, D.O.Melrose Park, IL 601601235162637
  2. Mohammed Nasaruddin, MDDowners Grove, IL 605151487184875
  3. Kevin Nash, MDEvanston, IL 602011518988260
  4. Aparna Natarajan, MDChicago, IL 606121417264144
  5. Lakshmi Natarajan, MDDanville, IL 618321831101096
  6. Krishna Vani NemalidinneMattoon, IL 619381134966542
  7. Joanna Niemiec, MDRockford, IL 611071821016791
  8. Richard Nieves Santiago, MDChicago, IL 606111356967269
  9. Nancy Nora, MDHighland Park, IL 600351205846367
  10. Max Nutt, MDSpringfield, IL 627111740715358
  11. Ejikeme Obasi, MDEvergreen Park, IL 608051205869815
  12. Edwin Okyne, M.DChampaign, IL 618221699221960
  13. Osezua OlearOak Lawn, IL 604531346650249
  14. Muhammad Omer, M.D.Oak Lawn, IL 604531154529105
  15. Chijoke Onyenwenyi, MDEvergreen Park, IL 608051285941153
  16. Liliana Osadchuk, M.D.Evanston, IL 602011255643987
  17. Albert Osei, M.D.Chicago, IL 606121740211150
  18. Ayotunde OsiteluChicago, IL 606111134610793
  19. Joseph Oyama, M.D.Evergreen Park, IL 608051134144504
  20. Marco Pagani, M.D.Barrington, IL 600101679728331
  21. Sreya Pallath, MDOak Lawn, IL 604531467489583
  22. Richa Pandey, MDSpringfield, IL 627021922312834
  23. Kevin Pandya, M.D.Naperville, IL 605401972759298
  24. Shan Pandya, DOChicago, IL 606121689363319
  25. Antonios Papadopoulos, MDMattoon, IL 619381467562116
  26. James Paparello, MDChicago, IL 606111457382038
  27. Sook Hyeon Park, M.D.Chicago, IL 606111518147693
  28. Jaya Parulekar, MDChicago, IL 606111538748835
  29. Amishi Patel, MDEvergreen Park, IL 608051063670719
  30. Chirag Patel, M.D.Park Ridge, IL 600681801840699
  31. Nilam Patel, MDNaperville, IL 605401235697863
  32. Sejal PatelHoffman Estates, IL 601691396785291
  33. Shalini Patel, MDHighland Park, IL 600351609980267
  34. Trisha Patel, DOPark Ridge, IL 600681073000410
  35. Umesh Patel, M.D.Crystal Lake, IL 600141336334424
  36. Vedvati Patel, M.D.Chicago, IL 606491326247966
  37. Vikram Patney, M.D.Belleville, IL 622261699744235
  38. Malgorzata Patro, M.D.Chicago, IL 606311841516234
  39. Sujay Paudel, MDChicago, IL 606111518630789
  40. Ritika Paul, M.D.Olympia Fields, IL 604611801321807
  41. Bindu Pavithran, MDRockford, IL 611071548210677
  42. Andrew Peck, MDMount Prospect, IL 600561114191632
  43. Michael Peck, M.D.Flossmoor, IL 604221386749521
  44. Shilpa Pedapati, M.DChicago, IL 606121295103299
  45. Vasil Peev, M.D.Chicago, IL 606121427229087
  46. Yonatan PelegChicago, IL 606111295120517
  47. David Perkins, M.DChicago, IL 606121598835290
  48. Kalyani Perumal, M.D.Chicago, IL 606121629001805
  49. Benjamin Pflederer, MDPeoria, IL 616031306976964
  50. Robert Pflederer, MDPeoria, IL 616031457576688

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.