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 40 of 41.

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

Denver has the most, 493

Internal Medicine Physician records in Colorado

  1. Douglas Webster, MDLoveland, CO 805381871576066
  2. Max Wei, DOLone Tree, CO 801241235879974
  3. Donald Weinshenker, M.D.Aurora, CO 800451912926759
  4. Jennifer Weiskopf, M.D.Longmont, CO 805041801213921
  5. Kathleen Weiss, MDLittleton, CO 801201104077585
  6. Colleen Weissmann, MDLoveland, CO 805381760465959
  7. James Welle, MDWheat Ridge, CO 800331720511892
  8. Ann Wells, MDHighlands Ranch, CO 801291487781415
  9. Teresa Welsh, MDAurora, CO 800141154458115
  10. Mark Wesselman, MDDenver, CO 802031598822124
  11. Leonard Wheeler, MDWheat Ridge, CO 800331902998123
  12. Shelley Whelan, RNLakewood, CO 802261992917397
  13. Kurt Whitaker, MDLafayette, CO 800261821018318
  14. Jeffery Whitcomb, D.O.Colorado Springs, CO 809091861923328
  15. Adam White, DOGrand Junction, CO 815011811382997
  16. Clinton White, M.D.Denver, CO 802471710962022
  17. Kelly White, MDAurora, CO 800451669562245
  18. Thomas White, MDHighlands Ranch, CO 801291548266240
  19. Diana Whitney, MDDenver, CO 802041982067369
  20. Kathleen Whitsel, RN-BSNDenver, CO 802311770627572
  21. Eric Whittier, DODenver, CO 802181144395526
  22. Stanley Wilbur, M.DParker, CO 801341942311378
  23. James Wilk, M.D.Denver, CO 802061427011584
  24. Lyndie Wilkins Parker, D.O.Fort Collins, CO 805281083233647
  25. Andrew Williams, MDCentennial, CO 801121174629919
  26. Laurence Williams, MDAurora, CO 800451235197880
  27. Michael Williams, MDLafayette, CO 800261982676706
  28. Michael Williams, MDDenver, CO 802101598738031
  29. Sue Williams, M.D.Westminster, CO 800031386771301
  30. Cornelia Willis, MD, MPHFt Carson, CO 809131679932115
  31. Richard Wills, MDLouisville, CO 800271912122938
  32. Lawrence Wilner, M.D.Arvada, CO 800021851551071
  33. David Winn, M.D.Denver, CO 802051962480533
  34. Jonathan Winthers, D.O.Parker, CO 801341043643083
  35. Ryan WislerMontrose, CO 814011922495001
  36. Maxwell Witt, MDAurora, CO 800451174142541
  37. Michael Witte, DOColorado Springs, CO 809091043846967
  38. Daniel Witten, MDDenver, CO 802201245233782
  39. Emily Wittenberg, DOColorado Springs, CO 809091730541459
  40. Amber Wobbekind, MDDenver, CO 802041649435314
  41. Trevor WojcikGreenwood Village, CO 801111295181725
  42. Abayneh Woldekidane, MDParker, CO 801341679738561
  43. Amy Wolf, MDWalsenburg, CO 810891578721742
  44. Allison Wolfe, M.D.Denver, CO 802301639445547
  45. Andrea WolfeLakewood, CO 802261316074321
  46. Peter Wolsko, MDLafayette, CO 800261376673145
  47. Julia Wong, DODenver, CO 802471053009167
  48. Kathryn WoodLittleton, CO 801231013050566
  49. Lawrence Wood, MDLittleton, CO 801221821034612
  50. Michael Wood, M.D.Pueblo, CO 810041629181342

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.