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 37 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. Cameron Suarez, MD, MPHFort Collins, CO 805281871098640
  2. Kathleen Suddarth, M.D.Aurora, CO 800451265579510
  3. Raed Sukerji, MDWestminster, CO 802341104090505
  4. Lauren Sullenberger, DODenver, CO 802471023377587
  5. Jeanne Sullivan, RN, BSNDenver, CO 802471740306364
  6. Laura Sullivan, M.D.Morrison, CO 804651700892437
  7. Terry Sullivan, MDConifer, CO 804331740585843
  8. Loretta Sullivan-Chang, MDGreenwood Village, CO 801111972780062
  9. Steve Sunderman, M.D.Denver, CO 802471861529844
  10. Siva Surapanani, M.D.Denver, CO 802101588733968
  11. Sergiu Surdulescu, MDVail, CO 816571609972769
  12. Brindha Suresh, M.D.Aurora, CO 800141992752349
  13. Jesse Sutherland, MDDenver, CO 802191700835220
  14. Scott Sutton, MDDenver, CO 802041497865067
  15. Christine Swanson, M.D.Aurora, CO 800451215171640
  16. Thomas SwansonCentennial, CO 801221386788172
  17. Maurine Sweeney, M.D.Denver, CO 802201518933118
  18. Rachel Swigris, DOAurora, CO 800451679676829
  19. Sylvia Sydow, M.D.Denver, CO 802201396761797
  20. Adele Sykes, MDDenver, CO 802181033272562
  21. Katie Szanton, MDDenver, CO 802051790245082
  22. Lorna Szczukowski, MDDenver, CO 802041124072640
  23. Marlena Szewczyk, M.D.Arvada, CO 800071275065427
  24. Tionna SzymanskiPueblo, CO 810031306783121
  25. Piotr Tabaczewski, MDAurora, CO 800451568657450
  26. Darlene Tad-Y, MDAurora, CO 800451932373610
  27. Richard Talley, MDDenver, CO 802471194869891
  28. Jennifer Tamblyn, M.D.Denver, CO 802181881860773
  29. Mohammed Tamim, MD.Denver, CO 802101548485618
  30. Eugene Tan, MDWheat Ridge, CO 800331962848663
  31. Robert Tanabe, MDColorado Springs, CO 809181851360150
  32. David Tanaka, MDDenver, CO 802301386722643
  33. Justin Tanner, M.D.Montrose, CO 814011245436658
  34. Patricia TantilloDenver, CO 802471730219585
  35. Jennifer Tarin, MDDenver, CO 802181871744649
  36. Beza Tayachew, MD, MPHAurora, CO 800451013265578
  37. Surbhi Tchida, MDGrand Junction, CO 815011922207653
  38. Robert Tello, M.D.Loveland, CO 805381134174998
  39. Kristin Tempco, DOFort Collins, CO 805261376925008
  40. Kimberlee Terry, MDDenver, CO 802061316939192
  41. Heidi Tessler, MDGolden, CO 804011306822291
  42. Alessandro Testori, MD PHDLongmont, CO 805011326057050
  43. Fernando ThadepalliParker, CO 801341821075821
  44. Kinnear Theobald, M.D.Aurora, CO 800451982960977
  45. Patrice Thibodeau, M.D.Evergreen, CO 804391902992308
  46. Tina-Marie ThiebautWheat Ridge, CO 800331194869818
  47. Brian Thom, M.D.Lafayette, CO 800261821132549
  48. Elizabeth Thomas, M.D.Aurora, CO 800451114143633
  49. Michelle Thomas, M.D.Denver, CO 802461174520969
  50. Alyssa Thompson, DOAurora, CO 800121215028881

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.