NPPES file of Aug 9, 2026

Geriatric Medicine (Internal Medicine) Physician in Colorado

103 NPPES records list geriatric medicine (internal medicine) physician with a practice address in Colorado, 1.8 per 100,000 residents, the 15th highest rate of 51. Aurora and Denver 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 207RG0300X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Aurora has the most, 45

  1. Aurora45
  2. Denver16
  3. Golden8
  4. Lakewood8
  5. Colorado Springs4

Geriatric Medicine (Internal Medicine) Physician records in Colorado

  1. Bobbie Livingston, MDAurora, CO 800141336268010
  2. Edith Lovegren, MD, PHDDenver, CO 802201871688838
  3. Hillary Lum, M.D., PH.D.Aurora, CO 800451336301191
  4. James Martau, MDWestminster, CO 800231053335166
  5. Rhonda Martini-SpringerAurora, CO 800141306980172
  6. Daniel Matlock, MDAurora, CO 800451417003021
  7. James McGowan, MDDenver, CO 802101033175591
  8. George Melone, M.D.Highlands Ranch, CO 801291780659573
  9. Kirk Mitchell, MDLongmont, CO 805031811149685
  10. Amy Mohler, MDGrand Junction, CO 815011972617686
  11. Donald Murphy, MDGolden, CO 804031013004589
  12. James Murphy, M.D.Boulder, CO 803041679557268
  13. Joan Nelson, DNPDenver, CO 802361649307679
  14. Hien Nguyen, PA-CLakewood, CO 802141336901222
  15. Bookanakere Niranjan, M.D., M.P.H.Golden, CO 804031114010436
  16. Amir Obbehat, M.D.Alamosa, CO 811011346555984
  17. Sylvia Oboler, MDDenver, CO 802201598794208
  18. Gretchen Orosz, MDLone Tree, CO 801241609864842
  19. Leah Ozdemir, D.O.Highlands Ranch, CO 801291285938399
  20. Bennett Parnes, MDAurora, CO 800451124133103
  21. Katherine Pearce, MDParker, CO 801341588813208
  22. Mandy Peng, M.D.Aurora, CO 800451205254661
  23. Eugenia Pritchett, MDAurora, CO 800141881627180
  24. Madhu Reddy, M.D.Aurora, CO 800141609818525
  25. Elise Reinhard, M.D.Boulder, CO 803041124275466
  26. Leslie Reitman, MDAurora, CO 800141013036714
  27. Timothy Rodgers, M. D.Golden, CO 804031215939541
  28. Emily Rogers, M.D.Aurora, CO 800111316334295
  29. Mitchel Rossman, M.D.Denver, CO 802041801999131
  30. Hannah Schara, M.D.Aurora, CO 800451114486198
  31. Robert Schwartz, MDAurora, CO 800451174603674
  32. John Scott, MDAurora, CO 800451831119890
  33. Karen Shea, MDAurora, CO 800451881740462
  34. Jill Sohayda, MDLittleton, CO 801231275596652
  35. William Solomon, MDAurora, CO 800141588625214
  36. Chelsea Springer, MDLakewood, CO 802281306226550
  37. Sharon Stramel, RNAurora, CO 800141952427577
  38. Sarah Tietz, MDAurora, CO 800451679936629
  39. Judith Totsch, RNAurora, CO 800141306980016
  40. Mary Tuuk, MDGolden, CO 804031174630701
  41. Pamela Tyrrell, MDDenver, CO 802071669570768
  42. Christopher Unrein, DO, FAOGME, FACP, CMGolden, CO 804031225033095
  43. Janna Ver Miller, M.D.Lakewood, CO 802281841229838
  44. Sandeep Wadhwa, MDAurora, CO 800451306936083
  45. Jacob Walker, MDAurora, CO 800451255794657
  46. Jeffrey Wallace, MDAurora, CO 800451215027990
  47. David Wallack, M.D.Lakewood, CO 802281558310706
  48. Sinny Wang, MDWestminster, CO 800231700129384
  49. Michael Wasserman, M.D.Aurora, CO 800121992748537
  50. Lasaundra Watson, M.D.Colorado Springs, CO 809181669562963

Source: CMS NPPES, primary taxonomy 207RG0300X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 15 of 51 per resident

  1. Michigan1.8
  2. New Jersey1.8
  3. Pennsylvania1.8
  4. Colorado1.8
  5. Oregon1.6
  6. North Carolina1.4
  7. 50 states and D.C.1.4

Source: CMS NPPES, primary taxonomy 207RG0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.8% of these records appear in a Medicare file, against 72.8% 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. Colorado74.8%
  2. United States72.8%

Geriatric Medicine (Internal Medicine) Physician records in Colorado, measured

  • In a Medicare file77 of 103 · 74.8% here, 72.8% nationally
  • In the CMS Doctors and Clinicians file51 · 49.5% here, 51.3% nationally
  • Not updated in five years or more60 · 58.3% here, 61.4% nationally
  • Median graduation year1998 · the 51 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

103 NPPES records list geriatric medicine (internal medicine) physician (207RG0300X) as their primary taxonomy with a practice address in Colorado: 1.8 per 100,000 residents against 1.4 nationally (50 states and D.C.). Aurora has 45 of them (44%).

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. Connecticut104
  2. Washington97
  3. Wisconsin110
  4. Virginia112

States with a similar rate per 100,000

  1. Pennsylvania1.8
  2. New Jersey1.8
  3. Michigan1.8
  4. Oregon1.6

The largest states

  1. California532
  2. New York508
  3. Florida287
  4. Texas256
  5. Pennsylvania228

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.