NPPES file of Aug 9, 2026

Obstetrics & Gynecology Physician in Colorado

906 NPPES records list obstetrics & gynecology physician with a practice address in Colorado, 15 per 100,000 residents, the 14th highest rate of 51. Denver and Aurora have the most; each record links to the provider's NPI and the Colorado license search. Page 11 of 19.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207V00000X · 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, 192

  1. Denver192
  2. Aurora95
  3. Colorado Springs73
  4. Littleton41
  5. Lone Tree30

Obstetrics & Gynecology Physician records in Colorado

  1. Leonard Losasso, MDAurora, CO 800121346287141
  2. Shelly Lovitt, MD02/09/1969Denver, CO 802241164471314
  3. Rebecca Ludwig, MDColorado Springs, CO 809101093193609
  4. Gary Ludwin, MDFort Collins, CO 805241912971342
  5. James Lukban, MDEnglewood, CO 801131841266616
  6. Kirsten Lund, MDDenver, CO 802041992808836
  7. Myda Luu, MDCentennial, CO 801221114157138
  8. Tracy Lyon, MDLittleton, CO 801221548686751
  9. Jenna Madsen, D.O.Thornton, CO 802291063851343
  10. Stephanie Mager, M.D.Windsor, CO 805501093198608
  11. Margaret Magill-Collins, M.D.Grand Junction, CO 815011477085066
  12. Fernando Mahmoud, M.D.Pueblo, CO 810041245542471
  13. Julie Mahoney, MDDenver, CO 802301942209762
  14. Meghan Mahoney, MDCommerce City, CO 800221972008084
  15. Alison Mall, M.D.Erie, CO 805161891773149
  16. Karen Maloney, D.O.Westminster, CO 802341063535946
  17. Kenneth Manfre, M.D.Aurora, CO 800121285654137
  18. Katie Mang-Smith, MDGrand Junction, CO 815011134260086
  19. Angela Marchin, MDDenver, CO 802071497199970
  20. Alexandra Marcotty, MDCentennial, CO 801221336432996
  21. Daniel Marks, D.O.Denver, CO 802051871906420
  22. Eva Marshall, M.D.Denver, CO 802461477088342
  23. Amy Martin, MDCastle Rock, CO 801081720088586
  24. Ann Martin, M.D.Longmont, CO 805011891792594
  25. Cynthia Martin, M.D.Englewood, CO 801131265451710
  26. Andrew Martinez, MDColorado Springs, CO 809061699709733
  27. David Martinez, MDLakewood, CO 802261396889184
  28. Rachel Mason, MDDenver, CO 802471346629847
  29. Romy Mason, M.D.Denver, CO 802381437135712
  30. Vance Mason, MDWestminster, CO 800311801869425
  31. Lauren May, MDDenver, CO 802201982920161
  32. Ria May, DOFrisco, CO 804431043849953
  33. Kasey Mayclin, M.D.Denver, CO 802201558595835
  34. Andrew McBride, MDDenver, CO 802181275574329
  35. Elizabeth McCarrelGrand Junction, CO 815051457663189
  36. Liz McCarthy, MDDenver, CO 802041104931799
  37. Emily McCarty, M.D.Glenwood Spgs, CO 816011821005307
  38. Spencer McClelland, M.D.Denver, CO 802041972864494
  39. Elizabeth McCrann, M.D.Denver, CO 802201871549352
  40. Patrick McCrann, MDLittleton, CO 801231588708358
  41. Jessica McCullough, M.D.Littleton, CO 801221245430263
  42. Jeffery McCutcheon, M.D.Colorado Springs, CO 809101821068651
  43. Katherine McDonald, M.D.Littleton, CO 801221073933131
  44. Michele McGould, M.D.Highlands Ranch, CO 801291659338762
  45. Lissa McIntyre, M.D.Lafayette, CO 800261649307646
  46. Kathryn McKenney, MDAurora, CO 800451649664681
  47. Lois McLauchlan, M.D.Frisco, CO 804431245376326
  48. Samantha McLean, DOBoulder, CO 803031285263509
  49. Sarah McMahon, MDGreenwood Village, CO 801111134756026
  50. Kassandra McMillen, M.D,Castle Rock, CO 801091659746477

Source: CMS NPPES, primary taxonomy 207V00000X: records by practice city and the list of records, file of Aug 9, 2026.

Colorado ranks 14 of 51 per resident

  1. Massachusetts16
  2. Vermont16
  3. Oregon15
  4. Colorado15
  5. Minnesota15
  6. Pennsylvania15
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 207V00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

69.0% of these records appear in a Medicare file, against 75.6% 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. Colorado69.0%
  2. United States75.6%

Obstetrics & Gynecology Physician records in Colorado, measured

  • In a Medicare file625 of 906 · 69.0% here, 75.6% nationally
  • In the CMS Doctors and Clinicians file504 · 55.6% here, 60.3% nationally
  • Not updated in five years or more543 · 59.9% here, 56.2% nationally
  • Median graduation year2008 · the 504 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207V00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

906 NPPES records list obstetrics & gynecology physician (207V00000X) as their primary taxonomy with a practice address in Colorado: 15 per 100,000 residents against 14 nationally (50 states and D.C.). Denver has 192 of them (21%).

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. Missouri902
  2. Indiana894
  3. Minnesota878
  4. Tennessee815

States with a similar rate per 100,000

  1. Oregon15.4
  2. Pennsylvania15.2
  3. Vermont16.1
  4. Massachusetts16.1

The largest states

  1. California5,088
  2. Texas3,524
  3. New York3,174
  4. Florida2,601
  5. Illinois2,062

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.