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 1 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. Emily Aaron, MDDenver, CO 802201205256971
  2. David Abbey, MS MDFort Collins, CO 805241568483196
  3. Tyler Abbey, DOGreeley, CO 806311730572694
  4. Sahar Abdelqader, MDLongmont, CO 805011366600710
  5. Ahmed Abdulrahman, MDPueblo, CO 810031093425068
  6. Durant Abernethy, M.D.Frisco, CO 804431427289040
  7. Alan Aboaf, MDCentennial, CO 801121003866393
  8. Adam Abraham, MDAurora, CO 800451720178304
  9. Phebe Abraham, MDGreeley, CO 806341558980540
  10. Richard Abrams, M.D.Denver, CO 802201174645386
  11. Romano Abuaba, MDAurora, CO 800121295014710
  12. Akaash Acharya, D.O.Parker, CO 801341366875114
  13. Albert Ackil, M.D.Aurora, CO 800451952627465
  14. Juan Acosta, MDEnglewood, CO 801131316919350
  15. Olanrewaju Adabale, MDPueblo, CO 810031669113031
  16. Vincent Adamo, M.D.Aurora, CO 800141548244569
  17. James Adams, M.D.Lakewood, CO 802261154460558
  18. Jennifer Adams, MDDenver, CO 802051386663946
  19. Juliana AdamsLittleton, CO 801221063549095
  20. Sharon AdcockLakewood, CO 802261710014774
  21. Brian Agganis, M.D.Aurora, CO 800141104204072
  22. Rebecca Agnew, M.D.Westminster, CO 800031093845836
  23. Irene Aguilar, MDDenver, CO 802041790710317
  24. Julie AguilarEnglewood, CO 801131053448027
  25. Brian Ahlstrand, M.D.Westminster, CO 802341487920690
  26. Tauqir Ahmad, MDAlamosa, CO 811011558357285
  27. Alam Ahmed, MD, MPHColorado Springs, CO 809091902425143
  28. Ramia Ahmed, DOColorado Springs, CO 809091912523556
  29. John Aikin, MDHighlands Ranch, CO 801291770588402
  30. Syed Akhtar, M.D.Denver, CO 802021710211669
  31. Rafid Al Daly, MDGolden, CO 804011215370101
  32. Maher Alami, M.D.Parker, CO 801381326449539
  33. Gail Albertson, MDAurora, CO 800451427148105
  34. Jeska Albuisson, M.D.Boulder, CO 803031184899320
  35. Carl Aldin, MDBoulder, CO 803031932728565
  36. Grace Alessi, MDLoveland, CO 805381457381964
  37. William Alford, M.D.Denver, CO 802221386602456
  38. Costa AlimonosGreeley, CO 806311235670712
  39. Joseph Alisky, MD PHDAurora, CO 800141811004161
  40. Stephen Alix, M.D.Aurora, CO 800121063473361
  41. William Allan, MDWheat Ridge, CO 800331932272713
  42. Jenny Allard, M.D.Colorado Springs, CO 809101871606772
  43. Ashley Allemon, D.O.Pueblo, CO 810031265969026
  44. Brandy Allen, MDDenver, CO 802471609865468
  45. Cephus Daniel Allin, MDFort Collins, CO 805251255806394
  46. Ryan AlonzoDenver, CO 802041184253445
  47. Hamzah Alqam, M.D.Colorado Springs, CO 809091871973065
  48. Richard Altman, MDAurora, CO 800451073716502
  49. Jessica Altree, M.D.Timnath, CO 805471619361508
  50. Douglas Altschuler, DOAurora, CO 800121770542177

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.