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 6 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. Angela Budgin, M.D.Aurora, CO 800451700272465
  2. Julius Budnick, MD PCColo Springs, CO 809091467532069
  3. Kelly Buerger, D.O.Pueblo, CO 810031750642948
  4. Nicola Bugelli, MDDenver, CO 802181760460695
  5. Hai Bui, MDLakewood, CO 802141316965536
  6. Gail Burchett, DOPueblo, CO 810051487604278
  7. Alan Burgess, MDDenver, CO 802181003804931
  8. Margaret BurkeDenver, CO 802471477697191
  9. Ellen Burkett, MDHighlands Ranch, CO 801291659334118
  10. Drew Burlon, D.O.Colorado Springs, CO 809091548604838
  11. Brian Burns, M.D.Castle Rock, CO 801081407058423
  12. Nikki BurnsDenver, CO 802471457481202
  13. Arthur Burroughs, MDCentennial, CO 801121770533911
  14. David Burrows, MD, FACPLone Tree, CO 801241215072160
  15. Alison Burt, M.D.Denver, CO 802051508284969
  16. Heather Burton, MDLakewood, CO 802261255468286
  17. Joseph Bush, MDGrand Junction, CO 815061598225922
  18. Marie Bush, MDLongmont, CO 805011467456889
  19. Theodore Buttrick, MDWheat Ridge, CO 800331548214547
  20. Gaither Bynum, M.D.Grand Junction, CO 815011619940459
  21. Judith ByrdBoulder, CO 803031437286416
  22. Taekwondo Byrd, MDParker, CO 801381770862815
  23. Richard Byyny, MDAurora, CO 800451295825974
  24. Brenden Cabana, MDDenver, CO 802181639810393
  25. Kristina Cade, D.O.Lafayette, CO 800261467834077
  26. Jason Cadwallader, MDAurora, CO 800111942467469
  27. Laird Cagan, MDLongmont, CO 805011285715532
  28. Aaron Calderon, MDDenver, CO 802181124075353
  29. David Call, MDColorado Springs, CO 809031366424855
  30. Catherine Callister, M.D.Aurora, CO 800451124446661
  31. Amy Campbell, MDBoulder, CO 803041033108642
  32. Carrie Campbell Broughton, MDFort Collins, CO 805281295737526
  33. Mark Campigotto, D.O.Denver, CO 802061891189478
  34. Maria Cannarozzi, MDGolden, CO 804011316956105
  35. Ruth Cano, MDGolden, CO 804031851485221
  36. Richard Capek, MDDenver, CO 802221457452096
  37. Joshua Capson, D.O.Pueblo, CO 810031962883934
  38. Wendy CarleLongmont, CO 805011548397508
  39. Kathleen Carlson, RNEnglewood, CO 801131003946856
  40. Stephen Carmel, MDDenver, CO 802181245260017
  41. Elisa Carniel, MDDenver, CO 802181881740470
  42. Casey Carroll, M.D.Westminster, CO 800031063807733
  43. Aaron Carson, MDFort Collins, CO 805281801391263
  44. Jeffrey Carter, M.D.Boulder, CO 803041457441032
  45. Lavonne CarterLittleton, CO 801231184768806
  46. Mark Carvalho, MDDenver, CO 802471710017579
  47. Ethan Cary, M.D.Greenwood Village, CO 801111114952090
  48. Bradley Casey, MDPueblo, CO 810031306425350
  49. Robert Cash, MDGreeley, CO 806311285611152
  50. Robert Caspari, MDLafayette, CO 800261205340676

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.