NPPES file of Aug 9, 2026

Internal Medicine Physician in Colorado

2,046 NPPES records list internal medicine physician with a practice address in Colorado, 35 per 100,000 residents, the 35th highest rate of 51. Denver and Aurora have the most; each record links to the provider's NPI and the Colorado license search. Page 20 of 41.

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).

Denver has the most, 493

  1. Denver493
  2. Aurora244
  3. Colorado Springs169
  4. Pueblo91
  5. Boulder74

Internal Medicine Physician records in Colorado

  1. David Knechtges, MDGreeley, CO 806341912090457
  2. Andrew Knerl, MDVail, CO 816571306097100
  3. Joshua Knol, DODenver, CO 802181649732892
  4. Rachel Knox, DOGolden, CO 804011467010520
  5. Stephanie Knudson, M.D.Denver, CO 802201295755650
  6. Hartmut Koelsch, MDLongmont, CO 805011881699551
  7. Erin Koenig, M.D.Fort Collins, CO 805251619339116
  8. John Koeppe, MDAurora, CO 800451457462483
  9. Christopher Koerber, DOLongmont, CO 805041043849722
  10. Charles KoftanEnglewood, CO 801131477683217
  11. Michelle Kohara, MDLafayette, CO 800261285764126
  12. Steven Kolpak, MDDenver, CO 802041841208907
  13. Tiffany Koonce, DOLakewood, CO 802261023645975
  14. Charles Kopel, M.D.Denver, CO 802041518966415
  15. Kathleen Kopel, MDDenver, CO 802471053868638
  16. Cathie Korey, MDDenver, CO 802051962484253
  17. Matthew Koslow, M.D.Denver, CO 802061487018750
  18. Michelle Kowalis, D.O.Pueblo, CO 810031932460185
  19. Brita Krabacher, DOHighlands Ranch, CO 801291265793418
  20. Stephanie Kraft, MDParker, CO 801381104876721
  21. Jay Krakovitz, M.D.Denver, CO 802101699778936
  22. Lucy Kras, MDLakewood, CO 802281083686349
  23. George Kraus, M.D.Littleton, CO 801231316348808
  24. Neal KrausGolden, CO 804031598083453
  25. Dmitriy Kravtsov, MDAurora, CO 800451669167367
  26. Stefanie Krenz, MDBoulder, CO 803031982676250
  27. Elma Kreso, M.D.Aurora, CO 800121295977528
  28. Ermin Kreso, MDDenver, CO 802471679584916
  29. Gina Kruse, MDAurora, CO 800451447419072
  30. William Kubaska, M.D.Denver, CO 802201548345101
  31. Margie KubowiczParker, CO 801381164566865
  32. Wilma KuceraDenver, CO 802051376760793
  33. Kathleen Kuhn, MDAurora, CO 800121063500916
  34. Vishnu Kulasekaran, M.D.Denver, CO 802041972743029
  35. Janice Kulik, M.D.Pueblo, CO 810031487615928
  36. Vanessa Kung, MD,PHDAurora, CO 800451649774894
  37. David Kuppersmith, MDVail, CO 816571255607925
  38. Mikhail Kuprian, MDColorado Springs, CO 809201104115708
  39. Egor Kuznetsov, M.D.Lone Tree, CO 801241639337165
  40. Ronald Kwong, DOLone Tree, CO 801241609129022
  41. Raymond LaDenver, CO 802061821656687
  42. Andriy Labatyuk, M.D.Lakewood, CO 802281154730695
  43. Carly Lacroix, DOPueblo, CO 810041316328560
  44. Joseph Ladika, MDHighlands Ranch, CO 801291477534154
  45. Thomas Lally, MDWheat Ridge, CO 800331568438653
  46. Charles Lam, M.D.Parachute, CO 816351184905325
  47. Huong Lam, MDAurora, CO 800451033246061
  48. Raymond LamColorado Springs, CO 809201407432974
  49. Richard Lamb, M.D.Sterling, CO 807511932105186
  50. John Lambert, M.D.Montrose, CO 814011407859549

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

Colorado ranks 35 of 51 per resident

  1. Georgia35
  2. Wisconsin35
  3. South Carolina35
  4. Colorado35
  5. Kansas34
  6. Kentucky34
  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.

70.8% 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. Colorado70.8%
  2. United States78.7%

Internal Medicine Physician records in Colorado, measured

  • In a Medicare file1,448 of 2,046 · 70.8% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,091 · 53.3% here, 61.4% nationally
  • Not updated in five years or more1,240 · 60.6% here, 55.4% nationally
  • Median graduation year2006 · the 1,090 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

2,046 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Colorado: 35 per 100,000 residents against 44 nationally (50 states and D.C.). Denver has 493 of them (24%).

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. Wisconsin2,078
  2. Indiana2,109
  3. Oregon2,116
  4. South Carolina1,881

States with a similar rate per 100,000

  1. Kansas34.3
  2. Georgia35.5
  3. Puerto Rico35.7
  4. Kentucky33.7

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.