NPPES file of Aug 9, 2026

Pediatrics Physician in Illinois

3,176 NPPES records list pediatrics physician with a practice address in Illinois, 25 per 100,000 residents, the 11th highest rate of 51. Chicago and Park Ridge have the most; each record links to the provider's NPI and the Illinois license search. Page 62 of 64.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 208000000X · 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, 1,142

  1. Chicago1,142
  2. Park Ridge125
  3. Oak Lawn115
  4. Springfield108
  5. Peoria102

Pediatrics Physician records in Illinois

  1. Jacqueline Welter, MDWilmette, IL 600911023264173
  2. Anna West, M.D.Park Ridge, IL 600681689801185
  3. Tahira WestOak Lawn, IL 604531588124598
  4. Norma Westervelt, M.D.Chicago, IL 606081003938762
  5. Chung Wey Wu, MDWestmont, IL 605591942218516
  6. Amy Whalen, MDChicago, IL 606111659318376
  7. Wendell Wheeler, M.D.South Holland, IL 604731902808611
  8. Heidi Whitaker, M.D.Joliet, IL 604351801024112
  9. Jackson WhitePark Ridge, IL 600681932049525
  10. Jacqueline White, MDChicago, IL 606081558445353
  11. Penny White, MDChicago, IL 606441245254044
  12. Samuel White, MDOak Lawn, IL 604531164942819
  13. Stephanie Whyte, M.D.Chicago, IL 606081336151695
  14. Bernadeta Wibisono, M.D.Chicago, IL 606161003143504
  15. Mohanlal Wickramasinghe, MDChicago, IL 606081699715979
  16. Jennifer Wicks, M.D.Chicago, IL 606111790122125
  17. Linda Widmer, M.D.Batavia, IL 605101053434381
  18. Katrina Wiedenfeld, APRN, CPNP-PCKankakee, IL 609011346128915
  19. Melanie Wielicka, MDChicago, IL 606371093335184
  20. Sara Wiemer, M.D.Deerfield, IL 600151386890416
  21. John WieserOak Lawn, IL 604531982307997
  22. Catherine Wigder, MDNaperville, IL 605641124088646
  23. Melissa Wigderson, M.D.Chicago, IL 606141134113863
  24. Bridget WildEvanston, IL 602011821387150
  25. Renee Wilk, MDPark Ridge, IL 600681043005036
  26. Darren Will, MDChicago, IL 606121821792722
  27. Sarah Willard, MDUrbana, IL 618021033505367
  28. Marion Willemsen-Reid, DOPeoria, IL 616151720029283
  29. Bianca Williams, MD/MBAChicago, IL 606371194219212
  30. David Williams, M.D.Chicago, IL 606121750333118
  31. Keith Williams, M.D.South Holland, IL 604731851304901
  32. Martina Williams, MDPark Ridge, IL 600681164109690
  33. Rhonda Williams, M.D.St Charles, IL 601741801879465
  34. Akemie Williams Gray, M.D.East Saint Louis, IL 622011972703056
  35. Nikita Williamson, MDOak Lawn, IL 604531265464382
  36. Joseph Willner, MDMaywood, IL 601531457101040
  37. Kristin WilmesMascoutah, IL 622581265706337
  38. Candace Wilson, MDChicago, IL 606371023851490
  39. Margaret Wilson, MDJacksonville, IL 626501497761498
  40. Tracy Winger, M.D.Park Ridge, IL 600681235346446
  41. Jaclyn Winikoff, MDChicago, IL 606141386960573
  42. Lisa Winters-Smith, M.D.Chicago, IL 606371801913595
  43. Addison Witt, DOChicago, IL 606121013667724
  44. Lauren Witt, DNP, APRN CPNP-PCChicago, IL 606111841824752
  45. Stephanie Wojtowicz, M.D.Springfield, IL 627041003917089
  46. Sigrid Wolf, M.D.Chicago, IL 606111730573114
  47. Madison Wolfe, MDChicago, IL 606111700464120
  48. Elise Wolff, DOGlen Ellyn, IL 601371750885976
  49. Elizabeth Wollensak, D.O.Oak Park, IL 603021508132507
  50. Megan Wong, MDChicago, IL 606111407402639

Source: CMS NPPES, primary taxonomy 208000000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 11 of 51 per resident

  1. Delaware28
  2. Vermont28
  3. Pennsylvania26
  4. Illinois25
  5. Ohio25
  6. Missouri25
  7. 50 states and D.C.22

Source: CMS NPPES, primary taxonomy 208000000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

32.2% of these records appear in a Medicare file, against 36.4% 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. Illinois32.2%
  2. United States36.4%

Pediatrics Physician records in Illinois, measured

  • In a Medicare file1,024 of 3,176 · 32.2% here, 36.4% nationally
  • In the CMS Doctors and Clinicians file235 · 7.4% here, 8.7% nationally
  • Not updated in five years or more1,711 · 53.9% here, 58.4% nationally
  • Median graduation year2010 · the 235 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 208000000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,176 NPPES records list pediatrics physician (208000000X) as their primary taxonomy with a practice address in Illinois: 25 per 100,000 residents against 22 nationally (50 states and D.C.). Chicago has 1,142 of them (36%).

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. Ohio2,972
  2. Pennsylvania3,382
  3. Massachusetts2,628
  4. Florida3,996

States with a similar rate per 100,000

  1. Puerto Rico25.2
  2. Missouri25.2
  3. California23.8
  4. New Hampshire23.5

The largest states

  1. California9,272
  2. New York5,795
  3. Texas5,641
  4. Florida3,996
  5. Pennsylvania3,382

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.