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 12 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. Ludmila Fayben, MDDenver, CO 802181053455659
  2. Natasha Fazel, DOAurora, CO 800141629423728
  3. John Fedack, M.D.Littleton, CO 801231598809394
  4. Gerard Federico, DOWheat Ridge, CO 800331598838377
  5. Andrew Fedorowicz, MDGreenwood Village, CO 801111013989342
  6. Lawrence Feinberg, MDAurora, CO 800451740370410
  7. Jordyn Feinstein, MDAurora, CO 800451407435977
  8. Rachel Feldman, MDJohnstown, CO 805341316042575
  9. William Fell, MDAurora, CO 800121912994435
  10. Susanne Feller, M.D.Grand Junction, CO 815011508978545
  11. Stephen Ferraro, MDGlenwood Springs, CO 816011245810803
  12. Sam Ferszt, MDDenver, CO 802021184696411
  13. Jaclyn Fertig, MDDenver, CO 802621205009834
  14. Thomas Feulner, DOLone Tree, CO 801241689475782
  15. Robert Fierer, M.D.Northglenn, CO 802331477550960
  16. Andy FineLittleton, CO 801221245261965
  17. Rachel Finehout, M.D.Denver, CO 802181386817351
  18. William Finn, M.D.Ignacio, CO 811371982616470
  19. Nida Firdous, M.DPueblo, CO 810031699200535
  20. Jennifer Firebaugh, NP-CDenver, CO 802041528668381
  21. Farhood Firouzbakht, M.D.Colorado Springs, CO 809071457770901
  22. Henry Fischer, MDDenver, CO 802041821189952
  23. Lindsey Fish, M.D.Denver, CO 802041245433564
  24. Thomas Fisher, M.D.Greeley, CO 806391598751570
  25. Katherine Fitting, M.D.Fairplay, CO 804401871599019
  26. Conrad Fitz, D.O.Del Norte, CO 811321790729275
  27. Susan Fixman, MDLakewood, CO 802261184768970
  28. Marina Flecha, MDLongmont, CO 805011700382025
  29. Edward Fleegler, MDBroomfield, CO 800231942363114
  30. Brownie Flesche, M.D.Highlands Ranch, CO 801291184768954
  31. Kelsey Flint, M.D.Aurora, CO 800451366741829
  32. Patricia Flood-Speidel, M.D.Lakewood, CO 802261285778902
  33. Kelly Foley, M.D.Colorado Springs, CO 809091417084476
  34. Nancy Foley, MDDenver, CO 802471548397599
  35. Emma Foraker, MDWestminster, CO 802341548766579
  36. Donald Forest, M.D.Denver, CO 802371588664841
  37. Barr FormanDenver, CO 802301114220944
  38. Jennifer Forte, D.O.Pueblo, CO 810031700224664
  39. Michael Forte, D.O.Pueblo, CO 810031588002604
  40. Daniel Fosburgh, MDDenver, CO 802181154458719
  41. Samuel Fountain, MDDenver, CO 802301609456961
  42. William Foutz, MDGrand Junction, CO 815061427097690
  43. Star Fowler, D.O.Lakewood, CO 802281588891782
  44. Diana Francu, M.D.Denver, CO 802091003827585
  45. Anne Frank, M.D.Denver, CO 802191275761421
  46. George Frank, MDLittleton, CO 801231417918061
  47. Joseph Frank, M.D., M.P.H.Denver, CO 802201356547426
  48. Michael Frank, M.D.Denver, CO 802041083001093
  49. Lauren Fraser, M.D.Denver, CO 802471154458727
  50. Sarah Fraser, DOLone Tree, CO 801241053051516

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.