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 75 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. Jennifer Lundgren, M.D.Chicago, IL 606111215093869
  2. Qing Luo, M.D.Mount Vernon, IL 628641033527809
  3. Katharyn Lupo, M.D.Naperville, IL 605631295979300
  4. Janice Lupu, M.D.Skokie, IL 600761902968050
  5. Stephanie Luther, M.D.Chicago, IL 606401134196231
  6. Fiona Lutolli, MDChicago, IL 606371386499887
  7. Peter Luzzi, DOPark Ridge, IL 600681205332459
  8. Anita LwangaChicago, IL 606081205241403
  9. Noah Lybik, MDChicago, IL 606111063116275
  10. Herman Lyle, M.D.Marion, IL 629591275530230
  11. Timothy Lyman, MDElmwood Park, IL 607071659302263
  12. Meghan Lynch, MD, PHARMDChicago, IL 606111700432945
  13. Teresa Lynch, M.D.Peoria, IL 616031104894906
  14. Evan Lyon, M.D.Chicago, IL 606371164559894
  15. Vladimir Lytchakov, MDSpringfield, IL 627031184617201
  16. Morgan LyttleMaywood, IL 601531437909199
  17. Di Ma, M.D.Oak Lawn, IL 604531053790139
  18. Monica Maalouf, MDMaywood, IL 601531124431895
  19. Issam Maatouk, M.D.Lincolnwood, IL 607121013051705
  20. Gladys Macagba, D.OHazel Crest, IL 604291093028359
  21. Rehaan MachhiMaywood, IL 601531144029554
  22. Wojciech Maciata, MDChicago, IL 606121073399275
  23. Helen Maciorowski, M.D.Long Grove, IL 600471992740286
  24. Duncan MackenzieChicago, IL 606111487593976
  25. Erica MackenzieChicago, IL 606371871906636
  26. Joseph Mackey, M.D.Peoria, IL 616371457615577
  27. Patrick Mackey, M.D.Wheaton, IL 601871316151848
  28. Lauren Mackinnon, DOLibertyville, IL 600481366018061
  29. Claudette Macklin, M.D.Chicago, IL 606431730365586
  30. Justin Macmillan, DOElgin, IL 601231467080994
  31. Andrew Macri, D.O.Palos Hills, IL 604651720092463
  32. Attilio Macrito, D.O.Chicago, IL 606571679914964
  33. Inderpreet Madahar, MDChicago, IL 606401255827994
  34. Navya Madamala, MDHinsdale, IL 605211043402472
  35. Meera Madappallil, M.D.Oak Brook, IL 605231699721142
  36. Silpa Maddala, M.DMarion, IL 629591982917373
  37. Vamsilatha Maddala, MDInverness, IL 600101770741944
  38. Abaigael Madden, MDMaywood, IL 601531972180198
  39. Gopal Madhav, MDEvergreen Park, IL 608051649274119
  40. Vishnu Madireddy, M.D.Riverwoods, IL 600151811063761
  41. Abson Madola, MDChicago, IL 606371003601659
  42. Bapushetty Madoori, M.D.Chicago, IL 606211083797864
  43. Andres Mafla Grisales, MDLibertyville, IL 600481326249285
  44. Jose Magana, MDWinfield, IL 601901447261847
  45. Robert Magrisso, MDWinnetka, IL 600931316058928
  46. Virgilio Magsino, M.D.Chicago, IL 606401558429696
  47. Robert Maguire, MDOttawa, IL 613501174571673
  48. Shobha Mahadevan, M.D.Dekalb, IL 601151821082231
  49. Dheeraj Mahajan, M.D.Oak Park, IL 603021831133693
  50. Niraj Mahajan, M.D.Chicago, IL 606121285825331

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.