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 21 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. Daniel Lambrecht, M.D.Sterling, CO 807511083032817
  2. Alex Landy, M.D.Denver, CO 802061073930012
  3. Anita Lane, M.D., F.A.C.P.Colorado Springs, CO 809061962458729
  4. Diane Lanese, MDEnglewood, CO 801131528102225
  5. Barbara Lang, LPNHighlands Ranch, CO 801291558570135
  6. Christina Lang, M.D.Fort Collins, CO 805281639274285
  7. Ian Lang, DOLafayette, CO 800261184786998
  8. Mary Langlois, MDBoulder, CO 803021447433867
  9. Susan Laningham, M.D.Grand Junction, CO 815061285648485
  10. Anna Larionova, MDAurora, CO 800141770018749
  11. Morel Laronn, M.DEnglewood, CO 801131598703282
  12. Kerry Larson, M.D.Canon City, CO 812121760465777
  13. Todd Larson, M.D.Highlands Ranch, CO 801291316958051
  14. Laura Lasater, MDDenver, CO 802041942315528
  15. Wade Laudenschlager, MDGrand Junction, CO 815011831176510
  16. David Lawrance, M.D.Boulder, CO 803091932109113
  17. Alexis Leal, MDAurora, CO 800451033404280
  18. Mark Learned, MDDenver, CO 802471801038682
  19. Elena Lebduska, M.DAurora, CO 800451134408750
  20. Eric Leder, M.D.Parker, CO 801381134160898
  21. Robert Leder, M.D.Aurora, CO 800451407926173
  22. Barbara LeeLakewood, CO 802261174667968
  23. Charles Lee, MDLittleton, CO 801201194706978
  24. Daniel Lee, D.O.Pueblo, CO 810031639550189
  25. Jae Lee, DO LLCCentennial, CO 801121114918588
  26. Jonathan Lee, M DHighlands Ranch, CO 801291235128562
  27. Leonard LeeLittleton, CO 801221780711754
  28. Li-Fen LeeLakewood, CO 802261851428890
  29. Mai Lee, M.D.Westminster, CO 800311710069422
  30. Rita Lee, MDAurora, CO 800451568552149
  31. Siemay Lee, MDGreeley, CO 806341497966824
  32. David Lehman, MDDenver, CO 802041578678157
  33. Jennifer Lehman, D.O.Brighton, CO 806011528262375
  34. Brian Lelling, DOLakewood, CO 802261558947358
  35. Robert Lenhart, D.O.Lone Tree, CO 801241255746038
  36. Sarah Lentz, MDAurora, CO 800451154026938
  37. Anthony Leo, M.D.Aurora, CO 800141740241934
  38. Benjamin LeonFort Collins, CO 805281609300441
  39. David Leon, M.D.Lakewood, CO 802151174605737
  40. David LeonardDenver, CO 802051801823422
  41. Lorena Letkomiller, M.D.Lafayette, CO 800261205892239
  42. Adam Levine, D.O.Boulder, CO 803031306233705
  43. Mark Levine, M.D.Aurora, CO 800451477556694
  44. Tana Levine, MDLongmont, CO 805011831161108
  45. Brian Levy, M.D.Denver, CO 802201649205535
  46. Jill Levy, MDDenver, CO 802471821125857
  47. Jennifer Lewey, M.D.Golden, CO 804031538336300
  48. Pierce LewienGrand Junction, CO 815051295354983
  49. Carmen Lewis, M.D.Aurora, CO 800451841215134
  50. Daniel Lewis, MDDenver, CO 802051598784985

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.