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 35 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. Maurieke Shyelle, M.D.Boulder, CO 803031619291416
  2. Scott Sickbert, M.D., L.L.C.Golden, CO 804031831295070
  3. Amber Sieja, MDAurora, CO 800451548271307
  4. Nicole Silver, MDBoulder, CO 803031184642209
  5. Amy Silverberg, MDDenver, CO 802061801038468
  6. Gabriel Silversmith, MDAurora, CO 800141558623868
  7. Suzanne Simmons, MDGreenwood Village, CO 801111639193253
  8. Joseph Simonetti, MD MPHDenver, CO 802201326209180
  9. Philip Simonian, MDAurora, CO 800451992773063
  10. Zachary Simons, MDDenver, CO 802061730569476
  11. Gagandeep Singh, MDAurora, CO 800141477620946
  12. Guri Singh, MDWestminster, CO 802211598869950
  13. Rupinder Singh, M.D.Denver, CO 802101336128131
  14. Glenda Singleton, M.D.Englewood, CO 801131144285438
  15. Melchor Sipalay, MDPueblo, CO 810041356390074
  16. Jacqueline Skaggs, D.O.Colorado Springs, CO 809201285689760
  17. Deborah Skarda, MDBoulder, CO 803031457488413
  18. Christopher Slater, M.D.Lafayette, CO 800261174819817
  19. Steven Sloan, MDColorado Springs, CO 809091801891536
  20. Amanda Smith, DOColorado Springs, CO 809101730829516
  21. Cole Smith, DOFort Carson, CO 809131821798935
  22. Jennifer Smith, MDDenver, CO 802471053420695
  23. Lauren Smith, D.O.Pueblo, CO 810051780828004
  24. Lynne SmithAurora, CO 800141396889010
  25. Peter Smith, MDLoveland, CO 805381366425142
  26. Richard Smith, MDGolden, CO 804011730313099
  27. S. Scott Smith, M.D.Lone Tree, CO 801241912034984
  28. Timothy Smith, M.D.Denver, CO 802061336567825
  29. Vernon Smith, MDLakewood, CO 802151144294638
  30. John SmitsDenver, CO 802471316086713
  31. Maximiliano Smolkin, M.D.Denver, CO 802101801112354
  32. Brent Snee, MDEnglewood, CO 801131174595474
  33. Randall Snook, M.D.Lone Tree, CO 801241558417659
  34. Althea Sobel, M.D.Alamosa, CO 811011588774269
  35. Nidhi Sodhi, MDGreenwood Village, CO 801111881816817
  36. Nicole Soiseth, MDDenver, CO 802041386008621
  37. Royce Solano, MDColorado Springs, CO 809221184691982
  38. Ashley Soler-Acevedo, MDParker, CO 801341396307633
  39. Sherrie Somers, DOGolden, CO 804011487781696
  40. Nathan Somerset, DOColorado Springs, CO 809091467911545
  41. Neil Sondhi, MDDenver, CO 802061669097960
  42. Xiao Song, MDDenver, CO 802031699392449
  43. Bethany Sonobe, MDDenver, CO 802101528228095
  44. Thomas Soper, D.O.Sterling, CO 807511689643900
  45. Christine Sopo-Jones, MDLittleton, CO 801221447322003
  46. Jolene SoteloDenver, CO 802051871704387
  47. Stephen Southard, M.D.Erie, CO 805161316074776
  48. Kathryn Spangler, MDGrand Junction, CO 815011528413853
  49. Michael Spangler, D.O.Colorado Springs, CO 809101841294295
  50. Catherine Spaulding, M.D.Denver, CO 802091548688997

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.