NPPES file of Aug 9, 2026

Internal Medicine Physician in Illinois

7,238 NPPES records list internal medicine physician with a practice address in Illinois, 58 per 100,000 residents, the 9th highest rate of 51. Chicago and Maywood have the most; each record links to the provider's NPI and the Illinois license search. Page 74 of 145.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 2,867

  1. Chicago2,867
  2. Maywood257
  3. Springfield196
  4. Evanston178
  5. Oak Lawn173

Internal Medicine Physician records in Illinois

  1. Kiley Loch, APRNMcHenry, IL 600501487328894
  2. Elizabeth Lockerman, MDChicago, IL 606231952806580
  3. Fauzia Lodhi, MDChicago, IL 606591528111341
  4. Owais Lodhi, M.D.Chicago, IL 606571427212638
  5. Barbara Loeb, MDDowners Grove, IL 605151619976396
  6. Gene Loftin, M.D.Schaumburg, IL 601731932123478
  7. Mary Loftin, MDRobinson, IL 624541750415741
  8. Patrick Logan, MDWinnetka, IL 600931790896066
  9. Laura Lombard, MDChicago, IL 606111487200697
  10. Francine Long, MDNaperville, IL 605631063406924
  11. Timothy Long, MDChicago, IL 606101528081239
  12. Muhammed Longi, M.D.Lockport, IL 604411801833272
  13. Adonye Longjohn, MBBSChicago, IL 606121801771811
  14. Jaron Longo, MDMaywood, IL 601531043066772
  15. Robert Longo, MDLong Grove, IL 600471265437230
  16. Hector Lopez, MDChicago, IL 606081053986026
  17. Norma Lopez, M.D.Maywood, IL 601531255482881
  18. Octavio Lopez, M.D.Worth, IL 604821700881455
  19. Pedro Lopez, MDChicago, IL 606231053395517
  20. Susan LopezChicago, IL 606121568812204
  21. Hugo Lopez Arevalo, MDChicago, IL 606121144893496
  22. Christine Lopez-Yang, MDChicago, IL 606081700578226
  23. Fausto Lora-Mir, M.D.Elgin, IL 601201104875434
  24. Zbigniew Lorenc, MDCrystal Lake, IL 600141902879380
  25. Peter Lorens, MDChicago, IL 606401427587575
  26. Paul Lorensen, D.O.Chicago, IL 606221427277334
  27. Kevin Loughry, DOOak Lawn, IL 604531609190586
  28. Cynthia Louie, M.D.Chicago, IL 606121114039757
  29. James Love, M.D.Quincy, IL 623011073595310
  30. David Lovinger, MDUrbana, IL 618011578625026
  31. Sarah Lovinger, MDChampaign, IL 618221003894353
  32. Jessica Lowe, MDChicago, IL 606111083301287
  33. Maria Lozano VazquezRockford, IL 611021306132642
  34. Mario Lozano-Franco, MDChicago, IL 606081831698588
  35. Velislava Lozeva, DOMcHenry, IL 600501831455021
  36. Evan Lu, MDChicago, IL 606111215969308
  37. Lily Lu, M.D.Maywood, IL 601531376125948
  38. Linda Lu, MDChicago, IL 606111578273587
  39. Tony Lu, MDMaywood, IL 601531396719183
  40. Niva Lubin Johnson, MDChicago, IL 606191679523716
  41. Brian Luc, M.D.Chicago, IL 606521376833657
  42. Danca Luchici, MDDixon, IL 610211376553743
  43. Rick Luetkemeyer, M.D.Peoria, IL 616291316165632
  44. Olga Lugo-Torres, MDChicago, IL 606401255479952
  45. Louis Lukancic, MDSpring Valley, IL 613621326153651
  46. Scott Luke, D.O.Downers Grove, IL 605151740341072
  47. Jairus Lukose, M.D.Hoffman Estates, IL 601691164878781
  48. Sanjeev Lulla, MDNorthbrook, IL 600621871652420
  49. Gerald Lumer, M.D.Chicago, IL 606041326311424
  50. Justin Lunderberg, MDEvanston, IL 602011245725563

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 9 of 51 per resident

  1. Hawaii63
  2. New York62
  3. Delaware58
  4. Illinois58
  5. Michigan57
  6. Pennsylvania56
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

72.5% of these records appear in a Medicare file, against 78.7% 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. Illinois72.5%
  2. United States78.7%

Internal Medicine Physician records in Illinois, measured

  • In a Medicare file5,251 of 7,238 · 72.5% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file3,584 · 49.5% here, 61.4% nationally
  • Not updated in five years or more3,434 · 47.4% here, 55.4% nationally
  • Median graduation year2003 · the 3,580 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

7,238 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Illinois: 58 per 100,000 residents against 44 nationally (50 states and D.C.). Chicago has 2,867 of them (40%).

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. Pennsylvania7,300
  2. Massachusetts6,825
  3. Michigan5,735
  4. Texas9,175

States with a similar rate per 100,000

  1. Delaware58.1
  2. New York61.7
  3. Hawaii62.9
  4. Maryland63.2

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.