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 23 of 23.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · method

Oklahoma City has the most, 418

Internal Medicine Physician records in Oklahoma

  1. Vanama Yerra, MDEdmond, OK 730031437246717
  2. Joanna YoonOklahoma City, OK 731041346967619
  3. Kellee Youkhana, MDOklahoma City, OK 731121386640951
  4. Linda Young, MDTulsa, OK 741041952324964
  5. Timothy Young, M.D.Tulsa, OK 741041427019827
  6. Brian Yount, MDTulsa, OK 741041386614758
  7. Hussnain Zafar, MDOklahoma City, OK 731041710664628
  8. Laraib Zahid, MDOklahoma City, OK 731121851036305
  9. Carlos Zamora, M.D.Lawton, OK 735071194886770
  10. Mercedes Zano, M.D.Tulsa, OK 741331366496176
  11. Yuan Zhang, M.D.Oklahoma City, OK 731121497002869
  12. Dong Zhao, M.D.Ada, OK 748201619942752
  13. Weidong Zhao, MDAda, OK 748201831351287
  14. Yefei Zhu, MDOklahoma City, OK 731501962761908
  15. Thant Zin, M.D.Miami, OK 743541013985654

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.