NPPES file of Aug 9, 2026

Rheumatology Physician in Colorado

145 NPPES records list rheumatology physician with a practice address in Colorado, 2.5 per 100,000 residents, the 15th highest rate of 51. Denver and Aurora have the most; each record links to the provider's NPI and the Colorado license search. Page 2 of 3.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RR0500X · 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, 52

  1. Denver52
  2. Aurora26
  3. Colorado Springs13
  4. Englewood7
  5. Greeley6

Rheumatology Physician records in Colorado

  1. Isaac Harley, M.D., PH.D.Aurora, CO 800451336568328
  2. Robert Hays, MDDenver, CO 802051336283043
  3. Judy Heller, M.D.Denver, CO 802091881818581
  4. Joel Hirsh, MDDenver, CO 802041700800398
  5. George Ho, MDDenver, CO 802051497747190
  6. Melissa Hocate, M.D.Colorado Springs, CO 809201073511291
  7. V Holers, MDAurora, CO 800451245320928
  8. Stephen Holt, M.D.Fort Collins, CO 805281184652547
  9. Laura Howe, M.D.Greeley, CO 806341245678648
  10. Matthew Husa, M.D.Denver, CO 802051184875379
  11. Ivana IlicDenver, CO 802061285194555
  12. Christopher Inserra, MDColorado Springs, CO 809201831610666
  13. Robert Jacobs, MDDenver, CO 802201427103951
  14. Robert Janson, MDAurora, CO 800451689699761
  15. Mark Jeranko, D.O.Loveland, CO 805381114304573
  16. Anna Jonsson, M.D., PH.D.Aurora, CO 800451992067177
  17. Stuart Kassan, MDDenver, CO 802061093706475
  18. Liudmila Kastsianok, M.D.Denver, CO 802061659638492
  19. Sonia Khatter, M.D.Denver, CO 802461174056592
  20. Jason Kolfenbach, MDAurora, CO 800451487791752
  21. David Korman, MDDenver, CO 802201245297555
  22. Lisa Korn, MDAurora, CO 800451467832535
  23. Nicholas Kortan, D.O.Denver, CO 802041407052483
  24. Robert Kowalewski, M.D.Colorado Springs, CO 809071144365198
  25. Kristine Kuhn, MDAurora, CO 800451568652246
  26. Janelle Laughlin, MDLongmont, CO 805011689635609
  27. Samuel Lazaroff, MDAurora, CO 800451750944989
  28. Patrice Leonard, MDColorado Springs, CO 809101649347527
  29. James Levine, DOGreeley, CO 806311093793838
  30. Christine Loftis, MDAurora, CO 800451275162646
  31. Jennifer Loucks, M.D.Englewood, CO 801131023040011
  32. Joseph Lutt, M.D.Boulder, CO 803021023233707
  33. Megan Macneil, M.D.Colorado Springs, CO 809201437107869
  34. Mehrnaz Maleki Fischbach, MDDenver, CO 802061487849642
  35. Mark Malyak, MDDenver, CO 802091659365211
  36. Lori Maran, M.D.Longmont, CO 805011740373687
  37. Daniele MarcyAurora, CO 800451376172726
  38. Lia Matarrese McGibbon, DOSuperior, CO 800271144464454
  39. Carson Maynard, DOWheat Ridge, CO 800331770929754
  40. Rennie McCabe, MDDenver, CO 802301194915579
  41. Jessica Mears, DOFruita, CO 815211447410568
  42. Richard Meehan, MDDenver, CO 802061366532046
  43. Fred Meyer, M.D.Fort Collins, CO 805211023109923
  44. Shiraz Moinuddin, M.D.Boulder, CO 803021063600336
  45. Meredith Morcos, M.D.Aurora, CO 800451386986123
  46. Larry Moreland, MDAurora, CO 800451720019334
  47. John Morfin, M.D.Denver, CO 802051730260548
  48. Daniel Muller, MD PHDFort Collins, CO 805281073589016
  49. Anne Murphy, M.D.Aurora, CO 800451841671898
  50. Stephen Murphy, MDDenver, CO 802301700932316

Source: CMS NPPES, primary taxonomy 207RR0500X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 15 of 51 per resident

  1. Illinois2.7
  2. Wisconsin2.6
  3. Washington2.6
  4. Colorado2.5
  5. Ohio2.5
  6. Missouri2.4
  7. 50 states and D.C.2.4

Source: CMS NPPES, primary taxonomy 207RR0500X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

80.7% of these records appear in a Medicare file, against 81.6% 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. Colorado80.7%
  2. United States81.6%

Rheumatology Physician records in Colorado, measured

  • In a Medicare file117 of 145 · 80.7% here, 81.6% nationally
  • In the CMS Doctors and Clinicians file102 · 70.3% here, 69.5% nationally
  • Not updated in five years or more74 · 51.0% here, 56.6% nationally
  • Median graduation year2004 · the 102 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RR0500X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

145 NPPES records list rheumatology physician (207RR0500X) as their primary taxonomy with a practice address in Colorado: 2.5 per 100,000 residents against 2.4 nationally (50 states and D.C.). Denver has 52 of them (36%).

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. Connecticut145
  2. Missouri151
  3. Tennessee139
  4. Wisconsin154

States with a similar rate per 100,000

  1. Ohio2.5
  2. Oregon2.4
  3. South Carolina2.4
  4. California2.4

The largest states

  1. California926
  2. New York599
  3. Texas545
  4. Florida494
  5. Pennsylvania413

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.