NPPES file of Aug 9, 2026

Internal Medicine Physician in Oklahoma

1,115 NPPES records list internal medicine physician with a practice address in Oklahoma, 28 per 100,000 residents, the 44th highest rate of 51. Oklahoma City and Tulsa have the most; each record links to the provider's NPI and the Oklahoma license search. Page 5 of 23.

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).

Oklahoma City has the most, 418

  1. Oklahoma City418
  2. Tulsa307
  3. Norman28
  4. Ada25
  5. Lawton24

Internal Medicine Physician records in Oklahoma

  1. William Cook, MDBroken Arrow, OK 740121891759213
  2. Terry Copeland, MDOklahoma City, OK 731021043202096
  3. Robert Cossman, M.D.Tulsa, OK 741041184627325
  4. Canon Cothran, MDOklahoma City, OK 731041023848090
  5. Craig Couvillon, MDKingston, OK 734391235399403
  6. Jennifer CoxTulsa, OK 741071568099794
  7. Jon Cox, M.D.Tulsa, OK 741041114996741
  8. Lisa Cox, LPNSulphur, OK 730861083135255
  9. Louis Cox, M.D.Oklahoma City, OK 731121164538872
  10. Robert Coye, MDTulsa, OK 741371215066170
  11. Glenn Craig, MDTulsa, OK 741041871505784
  12. Jeffrey Craig, M.D.Owasso, OK 740551497982052
  13. Michael Crawford, MDOklahoma City, OK 731201780689307
  14. Gregory Cude, M.D.Tulsa, OK 741351922126762
  15. Thomas Cuff, MBBS MDOklahoma City, OK 731201376962753
  16. Steven Cummings, M.D.Stillwater, OK 740741750365292
  17. Gary Cunningham, DOTulsa, OK 741191871687699
  18. David D'Alessandro, M.D.Tulsa, OK 741041730239104
  19. Dinesh Dalbir, M.D.Oklahoma City, OK 731421912969965
  20. Abhirami Das, MDOklahoma City, OK 731041497545511
  21. Charlyce Davis, MDOklahoma City, OK 731271144360256
  22. Kelly Davis, M.D.Wagoner, OK 744671871554139
  23. Merle Davis, M.D.Shawnee, OK 748041669411146
  24. Wilson Davis, MDTishomingo, OK 734601184633521
  25. Dean Deason, M.D.Bethany, OK 730081841522091
  26. Dalton Delaney, DOOklahoma City, OK 731041770248619
  27. George DemopoulosTulsa, OK 741041942797840
  28. Chynna Denham, MDOklahoma City, OK 731041093417388
  29. Brent Dennis, M.D.Tulsa, OK 741361932185709
  30. Bruce Dennis, MDAda, OK 748201760450555
  31. Ryan Dennis, MDOklahoma City, OK 731111992930564
  32. Micah Derby, D.O.Tulsa, OK 741361548605199
  33. Aditya Desai, MDOklahoma City, OK 731041316682990
  34. Leanne Dias Da Silva, MDOklahoma City, OK 731201689879355
  35. Adolfo Diaz Barba, MDOklahoma City, OK 731041629757638
  36. Heidi Dickens, M.D.McAlester, OK 745011639238512
  37. Tuana Diep, MDTulsa, OK 741451609893361
  38. Lindsey Dodson, D.O.Oklahoma City, OK 731041508101783
  39. Madisen Dorand, MDTulsa, OK 741041912526260
  40. Richard Doss, MDTulsa, OK 741041821041997
  41. Aaron Downey, DOTulsa, OK 741331174105522
  42. Susan Drake, MDFort Sill, OK 735031619060175
  43. S A Dean Drooby, MDOklahoma City, OK 731201598747354
  44. Lesley Duffie, D.O.Oklahoma City, OK 731121851650014
  45. Francis Duffy, MDTulsa, OK 741351588865232
  46. Lisa Duhon, MDOklahoma City, OK 731041114187382
  47. Steffie-Ann Dujon, MDNorman, OK 730711922637131
  48. Alison Duke, DOOklahoma City, OK 731041417790262
  49. William Durick, M DClaremore, OK 740171356339816
  50. Jonelle Dutton-Gaddis, D.O.Tulsa, OK 741331982680757

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Oklahoma ranks 44 of 51 per resident

  1. Indiana31
  2. Texas30
  3. Montana29
  4. Oklahoma28
  5. Iowa27
  6. South Dakota27
  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.

76.7% 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. Oklahoma76.7%
  2. United States78.7%

Internal Medicine Physician records in Oklahoma, measured

  • In a Medicare file855 of 1,115 · 76.7% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file654 · 58.7% here, 61.4% nationally
  • Not updated in five years or more621 · 55.7% here, 55.4% nationally
  • Median graduation year2007 · the 653 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

1,115 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Oklahoma: 28 per 100,000 residents against 44 nationally (50 states and D.C.). Oklahoma City has 418 of them (37%).

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. Puerto Rico1,146
  2. Rhode Island1,033
  3. Kansas1,010
  4. Nevada1,229

States with a similar rate per 100,000

  1. Iowa27.2
  2. South Dakota26.9
  3. Montana28.6
  4. Arkansas25.0

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.