NPPES file of Aug 9, 2026

Sleep Medicine (Internal Medicine) Physician in Oklahoma

13 NPPES records list sleep medicine (internal medicine) physician with a practice address in Oklahoma, 0.3 per 100,000 residents, the 30th highest rate of 48. Oklahoma City and Tulsa have the most; each record links to the provider's NPI and the Oklahoma license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RS0012X · 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, 9

  1. Oklahoma City9
  2. Tulsa3
  3. Edmond1

Sleep Medicine (Internal Medicine) Physician records in Oklahoma

  1. Chee Yoon Bauer, MDOklahoma City, OK 731041417392986
  2. Richard Bregman, MDTulsa, OK 741361285640771
  3. Kendra CalvinOklahoma City, OK 731041992493712
  4. Jeremy Cole, MDEdmond, OK 730341962586701
  5. Cory Cross, MDOklahoma City, OK 731041104966290
  6. Viral Doshi, M.DOklahoma City, OK 731121164654117
  7. Christina Jacobs, MDOklahoma City, OK 731041902426315
  8. Matthew Johnson, DOOklahoma City, OK 731041215565155
  9. Kevin Lewis, MDTulsa, OK 741041043222532
  10. Asim Maqsood, M.DOklahoma City, OK 731041821137050
  11. Amritanshu Singh, D.O.Tulsa, OK 741361538695192
  12. Lucas Sittner, D.O.Oklahoma City, OK 731041518156140
  13. Elwood Williams, MDOklahoma City, OK 731121366542896

Source: CMS NPPES, primary taxonomy 207RS0012X: records by practice city and the list of records, file of Aug 9, 2026.

Oklahoma ranks 30 of 48 per resident

  1. Illinois0.3
  2. Alabama0.3
  3. California0.3
  4. Oklahoma0.3
  5. New York0.3
  6. New Jersey0.3
  7. 50 states and D.C.0.3

Source: CMS NPPES, primary taxonomy 207RS0012X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

100.0% of these records appear in a Medicare file, against 84.4% 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. Oklahoma100.0%
  2. United States84.4%

Sleep Medicine (Internal Medicine) Physician records in Oklahoma, measured

  • In a Medicare file13 of 13 · 100.0% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file9 · 69.2% here, 70.6% nationally
  • Not updated in five years or more6 · 46.2% here, 43.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RS0012X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

13 NPPES records list sleep medicine (internal medicine) physician (207RS0012X) as their primary taxonomy with a practice address in Oklahoma: 0.3 per 100,000 residents against 0.3 nationally (50 states and D.C.). Oklahoma City has 9 of them (69%).

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. Iowa13
  2. New Mexico12
  3. South Carolina14
  4. Louisiana11

States with a similar rate per 100,000

  1. California0.3
  2. Alabama0.3
  3. Illinois0.3
  4. New York0.3

The largest states

  1. California129
  2. Pennsylvania58
  3. New York57
  4. Texas56
  5. Ohio53

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.