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 18 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. Lorette Johnson, MDParker, CO 801381437593340
  2. Marie Johnson, MDAurora, CO 800141427185446
  3. Matha JohnsonWestminster, CO 800031487798013
  4. Richard Johnson, MDFort Collins, CO 805241891797171
  5. Teresa Johnson, MDGlenwood Springs, CO 816011255863510
  6. Cecelia Johnson-SassoLittleton, CO 801231760986582
  7. Barbara Johnston, MDColorado Springs, CO 809101003908344
  8. Christine Jones, MDAurora, CO 800111821102492
  9. Christopher Jones, MD, PHDLoveland, CO 805381003074501
  10. Emily Jones, M.D.Denver, CO 802301003063140
  11. Everette Jones, MDDenver, CO 802051376518522
  12. Janelle Jones, MDColorado Springs, CO 809071073667135
  13. Joel Jorgenson, M.D.Westminster, CO 800031457627267
  14. Nicole Joseph, MDDenver, CO 802041669401485
  15. Janak Joshi, MDColorado Springs, CO 809091104820539
  16. Scott Joy, M.D.Englewood, CO 801131144304205
  17. Widian Jubair, MDCentennial, CO 800151336638501
  18. Franklyn Judson, M.D.Denver, CO 802061720304728
  19. Robert Juhala, MDFort Collins, CO 805281851329973
  20. Daniel Juneau, MDLafayette, CO 800261295153344
  21. Brittney Justice, DOAurora, CO 800151750902433
  22. Cynthia Justice, MDDenver, CO 802471710017652
  23. Rajendra Kadari, M.D.Parker, CO 801341598946675
  24. Paula Kadison, M.D.Aspen, CO 816111992987838
  25. Roland Kafuuma, M.D.Longmont, CO 805041962615732
  26. Elise KahnDenver, CO 802301831893767
  27. Michael Kahn, M.D.Boulder, CO 803051447599592
  28. Mahasti Kalantar, MDLafayette, CO 800261598865313
  29. Barry Kalfon, MDDenver, CO 802471982624359
  30. Wendy Kalish, MDWheat Ridge, CO 800331861401150
  31. Steven Kalt, MDGreeley, CO 806311225011554
  32. Stacie Kamada- Higa, DOCastle Rock, CO 801091689081416
  33. Asha KamatDenver, CO 802241659533081
  34. Roly Kanard, MDSalida, CO 812011235266891
  35. Helena KaneDenver, CO 802471417091299
  36. Kanchan KanelColorado Springs, CO 809091952545865
  37. Adrienne Kania, DOColorado Springs, CO 809041295807394
  38. Keith Kapatkin, MDColorado Springs, CO 809191689670655
  39. David Kaplan, M.D.Westminster, CO 800231326283417
  40. Jeremiah Kaplan, M.D.Boulder, CO 803021396872347
  41. Dora Kapros, MDDenver, CO 802181659876654
  42. Nodira Karimova, MDAurora, CO 800121912065129
  43. Daniel Karlsberg, M.D.Denver, CO 802101952667883
  44. Arti Karna, MDGolden, CO 804011326158627
  45. Adam KassnerColorado Springs, CO 809091760588941
  46. Daniel Katz, MDDenver, CO 802181255548293
  47. Himangi Kaushal, MDAurora, CO 800451881776441
  48. Julia Kavanagh, MDDenver, CO 802061275611535
  49. Kenji Kaye, MDLone Tree, CO 801241083051155
  50. Ross Kazer, MDAurora, CO 800141427188283

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.