NPPES file of Aug 9, 2026

Nephrology Physician in Colorado

182 NPPES records list nephrology physician with a practice address in Colorado, 3.1 per 100,000 residents, the 39th highest rate of 51. Aurora and Denver have the most; each record links to the provider's NPI and the Colorado license search. Page 4 of 4.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RN0300X · 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, 47

  1. Aurora47
  2. Denver36
  3. Colorado Springs13
  4. Fort Collins12
  5. Lone Tree10

Nephrology Physician records in Colorado

  1. Richard Simmons, M.D.Ft Collins, CO 805251366430100
  2. James Singer, M.D.Ft Collins, CO 805251407843204
  3. Harmeet Singh, MDArvada, CO 800021437140928
  4. Jeffrey Sirota, MDDenver, CO 802201396882650
  5. Barry Sobel, MDGrand Junction, CO 815011326145038
  6. David Spiegel, MDAurora, CO 800451821176181
  7. Erik Stites, MDAurora, CO 800451407170244
  8. Alexandra Straight, MDGrand Junction, CO 815061043298854
  9. Sree Susarla, MRCP, MDParker, CO 801341114294279
  10. Dmitri Sychev, MDHighlands Ranch, CO 801301881808277
  11. Srinath Tamirisa, MDGreenwood Village, CO 801121639372949
  12. Isaac Teitelbaum, MDAurora, CO 800451235229139
  13. Mark Teruel, MDFort Collins, CO 805251972558039
  14. Jeffrey Thomas, MDDenver, CO 802101851566616
  15. Joshua Thurman, MDAurora, CO 800451346330248
  16. Florian Toegel, M.D., PH. D.Aurora, CO 800121154555704
  17. Rafael Torosyan, MDThornton, CO 802291578901625
  18. Manuel Urra, MDAurora, CO 800451255836102
  19. Claudia Van Dijk, M.D.Arvada, CO 800021982651329
  20. Irina Vancea, MDPueblo, CO 810041205919750
  21. Maria-Gabriela Velez, MDDenver, CO 802101467765560
  22. Mary Vierthaler, MDLongmont, CO 805011972585321
  23. Adolfo Villar, MDAurora, CO 800121437131638
  24. Rhonda Webb, MDPagosa Springs, CO 811471598762494
  25. Karl Womer, M.D.Denver, CO 802101831283126
  26. Rajesh Yalavarthy, MDArvada, CO 800021366478687
  27. Jodi Yanagida, DOColorado Springs, CO 809091841710712
  28. Melissa Yanover, MDDenver, CO 802101518958008
  29. Sarah Young, MDAurora, CO 800451245212448
  30. Brad Yuan, MDColorado Springs, CO 809091407831480
  31. Susan Yue, M.D.Westminster, CO 800311154312643
  32. Troy Zabel, M.D.Denver, CO 802201962435479

Source: CMS NPPES, primary taxonomy 207RN0300X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 39 of 51 per resident

  1. Wisconsin3.5
  2. Oregon3.2
  3. Nebraska3.2
  4. Colorado3.1
  5. Arkansas3.0
  6. Iowa2.9
  7. 50 states and D.C.4.0

Source: CMS NPPES, primary taxonomy 207RN0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

182 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in Colorado: 3.1 per 100,000 residents against 4 nationally (50 states and D.C.). Aurora has 47 of them (26%).

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. Alabama183
  2. Kentucky174
  3. Connecticut167
  4. South Carolina202

States with a similar rate per 100,000

  1. Nebraska3.2
  2. Arkansas3.0
  3. Oregon3.2
  4. Iowa2.9

The largest states

  1. California1,468
  2. Texas1,159
  3. New York1,049
  4. Florida840
  5. Pennsylvania651

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.