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 13 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. Kim Fredrickson, RNAurora, CO 800141891825634
  2. Erika Freebern, MDAurora, CO 800121376773838
  3. Johanna Freedman, MDArvada, CO 800051588678619
  4. Jarred Freese, M.D.Delta, CO 814161821230475
  5. Diego Freitas, M.D.Parker, CO 801341487634481
  6. Gary Friedland, MDDenver, CO 802051740302090
  7. Rita Friedrichs, MDPueblo, CO 810081134199680
  8. Debra Friesen, M.D.Wheat Ridge, CO 800331962409318
  9. Kerstin Froyd, MDDenver, CO 802181235273830
  10. Kent Fryberger, DOClifton, CO 815201639210024
  11. Stephen Fuest, MDAurora, CO 800451881114932
  12. Dory Funk, MDDelta, CO 814161326179680
  13. Glenn Gade, M.D.Aurora, CO 800141912041781
  14. Thomas Gaide, MDPueblo, CO 810041447301791
  15. Esteban Gallego, MDAurora, CO 800121861650202
  16. Lauren Galpin, M.D.Englewood, CO 801131285854208
  17. Golburn Galyon, DODenver, CO 802061851880454
  18. Mehul Gandhi, MDEnglewood, CO 801131497865216
  19. Wael Garas, MDBoulder, CO 803031033181375
  20. Giovanna Garcia, MDJohnstown, CO 805341417118019
  21. Luz-Estefana Garcia, M.D.Colorado Springs, CO 809201831168095
  22. Mackenzie Garcia, MDDenver, CO 802041104402080
  23. Freda Gardner, MDLongmont, CO 805041750378279
  24. Raymond Gaspari, MDAurora, CO 800141548221310
  25. Jennifer Gaudiani, MDDenver, CO 802201831172063
  26. Stuart Geer, MDLongmont, CO 805031144357153
  27. Joshua Gelber, MDDenver, CO 802201245971902
  28. Erika Gelgand, MDSalida, CO 812011518911122
  29. Dennis Genereux, MDCentennial, CO 801221023152816
  30. Sierra Germeyan, MDEnglewood, CO 801131225599848
  31. Mitchell Gershten, M.D.Grand Junction, CO 815011104881077
  32. James Geyman, MDAurora, CO 800111750425559
  33. Amy Ghaibeh, MDDenver, CO 802101396832960
  34. Susan Ghani, MDDurango, CO 813011639264807
  35. Tunde Ghincea, M.D.Denver, CO 802181689700304
  36. Loranne Gibans, MDGolden, CO 804031548205834
  37. Lisa Gidday, MDLittleton, CO 801201518948736
  38. Bryan Gieszl, MDAspen, CO 816111881644649
  39. Christine Gieszl, MDMontrose, CO 814011336199066
  40. Adam Gilden, MDAurora, CO 800451225131568
  41. Mariel Gillham, M. D.Colorado Springs, CO 809091952620460
  42. Thomas Gilmer, M.D.Centennial, CO 801121750331930
  43. David Ginosar, MDDenver, CO 802041215040340
  44. William Gipson, M.D.Littleton, CO 801201023003316
  45. William GladneyBoulder, CO 803041548722820
  46. Jeffrey Glaves, MDAurora, CO 800141689718397
  47. Robert Gleser, M.D.Denver, CO 802221679538516
  48. Stephen Godar, MDFort Morgan, CO 807011992719876
  49. Jan Paul Goldberg, MDDenver, CO 802041104204114
  50. Gordon Golden, MDColorado Springs, CO 809201710953468

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.