NPPES file of Aug 9, 2026

Optometrist in Illinois

2,697 NPPES records list optometrist with a practice address in Illinois, 21 per 100,000 residents, the 15th highest rate of 51. Chicago and Downers Grove have the most; each record links to the provider's NPI and the Illinois license search. Page 49 of 54.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 152W00000X · 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, 620

  1. Chicago620
  2. Downers Grove71
  3. Naperville61
  4. Rockford54
  5. Peoria40

Optometrist records in Illinois

  1. Azzrah Thobani, OD, FAAONorthbrook, IL 600621265664502
  2. Jonathon Thoele, O.D.Mount Sterling, IL 623531114282548
  3. Ryan Thoele, O.D.Mt Zion, IL 625491700144029
  4. Sylvia Thoman, O.D.Rockford, IL 611081528110533
  5. Jacie Thomas, O.D.Arlington Heights, IL 600041023469947
  6. Michael Thomas, O.D.Marengo, IL 601521679539993
  7. Shilpa Thomas, ODNiles, IL 607141649058330
  8. Sony Thomas, O.D.Oswego, IL 605431376958322
  9. Tina Thomas, ODPeoria, IL 616151285633693
  10. Krista Thomasson, O.D.Joliet, IL 604351073601654
  11. Sykes Thompson, ODHarrisburg, IL 629461063145647
  12. Charissa Thorpe, O.D.Lebanon, IL 622541740225994
  13. Reeham Tineh, ODBedford Park, IL 606381669207759
  14. Kimberly Tinge, O.D.Highland, IL 622491508893264
  15. Tonya Tira, O.D.Downers Grove, IL 605151629124219
  16. Thu To, ODHinsdale, IL 605211508942376
  17. Robert Toal, ODWaterloo, IL 622981114990116
  18. Ann Todd, O.D.Joliet, IL 604351932413697
  19. Micaela Toledo, O.D.Evergreen Park, IL 608051831415702
  20. Susana Toledo, O.D.Chicago, IL 606381316376825
  21. Jennifer Tomich, O.D.Naperville, IL 605641912125949
  22. Rand Toney, O.D.Batavia, IL 605101003895392
  23. Austin Toresdahl, ODOak Lawn, IL 604531013667211
  24. Gustavo TorreChicago, IL 606471023175536
  25. Richard Torson, O.D.Glen Ellyn, IL 601371164494993
  26. Deborah Totos, O.D.Bourbonnais, IL 609141104989110
  27. Paul Tracy, O.D.Quincy, IL 623011578751491
  28. Chris Tran, O.D.Elgin, IL 601201922251842
  29. Hoang Harry Tran, O.D.Great Lakes, IL 600881285071324
  30. Margaret Tran, ODChicago, IL 606251801566880
  31. Michelle Tran, ODChicago, IL 606591447823299
  32. Raphaella Tran, OD, MSDeerfield, IL 600151528636198
  33. Victoria TrieuStreamwood, IL 601071730268673
  34. Jane Trimberger, O.D.Chicago, IL 606161851706121
  35. Christine Trinh, O.D.Chicago, IL 606411063839090
  36. Erica Tritsch, ODNorthbrook, IL 600621821668542
  37. Sonal Trivedi, O.D.Oak Brook, IL 605231912381567
  38. Daniel Trotta, ODOrland Hills, IL 604771558443721
  39. Thomas Troutman, ODWest Dundee, IL 601181033155841
  40. Erica TroyerChicago, IL 606161508399924
  41. Christopher Troyka, O.D.Bloomingdale, IL 601081194878769
  42. Dac-Nha Truong, ODChicago, IL 606121508559329
  43. Daniel Truong, O.D.Peoria, IL 616151396765046
  44. Steven Trzepacz, O.D.Streator, IL 613641740270453
  45. Timothy Tsang, O.D., HON BSCChicago, IL 606161245256379
  46. Eric Tseng, O.D,Chicago, IL 606431629233580
  47. Janet Tseng, O.D.Des Plaines, IL 600161689644858
  48. Susan Tseng, ODChicago, IL 606431750581328
  49. Anthony Tsiftilis, O.D.Sycamore, IL 601781740305366
  50. Zhiming Tu, ODBourbonnais, IL 609141568253698

Source: CMS NPPES, primary taxonomy 152W00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 15 of 51 per resident

  1. Oklahoma22
  2. Colorado22
  3. Montana22
  4. Illinois21
  5. Massachusetts21
  6. California21
  7. 50 states and D.C.19

Source: CMS NPPES, primary taxonomy 152W00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

71.2% of these records appear in a Medicare file, against 71.9% 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. Illinois71.2%
  2. United States71.9%

Optometrist records in Illinois, measured

  • In a Medicare file1,921 of 2,697 · 71.2% here, 71.9% nationally
  • In the CMS Doctors and Clinicians file1,514 · 56.1% here, 57.6% nationally
  • Not updated in five years or more1,823 · 67.6% here, 65.3% nationally
  • Median graduation year2008 · the 1,513 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 152W00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,697 NPPES records list optometrist (152W00000X) as their primary taxonomy with a practice address in Illinois: 21 per 100,000 residents against 19 nationally (50 states and D.C.). Chicago has 620 of them (23%).

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. Pennsylvania2,640
  2. Ohio2,443
  3. Michigan1,963
  4. New York3,535

States with a similar rate per 100,000

  1. Massachusetts21.4
  2. Montana21.6
  3. Colorado21.7
  4. California21.3

The largest states

  1. California8,308
  2. Texas5,006
  3. Florida3,594
  4. New York3,535
  5. Pennsylvania2,640

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.