NPPES file of Aug 9, 2026

Sleep Medicine (Internal Medicine) Physician in Michigan

52 NPPES records list sleep medicine (internal medicine) physician with a practice address in Michigan, 0.5 per 100,000 residents, the 8th highest rate of 48. Detroit and Ann Arbor have the most; each record links to the provider's NPI and the Michigan license search. Page 2 of 2.

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

Detroit has the most, 13

Sleep Medicine (Internal Medicine) Physician records in Michigan

  1. Robert Wittig, MDLaurium, MI 499131164585584
  2. Joshua Won, DODetroit, MI 482021558898403

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

Michigan ranks 8 of 48 per resident

  1. New Mexico0.6
  2. Utah0.6
  3. Virginia0.5
  4. Michigan0.5
  5. Connecticut0.5
  6. Oregon0.5
  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.

78.8% 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. Michigan78.8%
  2. United States84.4%

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

  • In a Medicare file41 of 52 · 78.8% here, 84.4% nationally
  • In the CMS Doctors and Clinicians file30 · 57.7% here, 70.6% nationally
  • Not updated in five years or more27 · 51.9% here, 43.7% nationally
  • Median graduation year2003 · the 30 records with a school on file

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

52 NPPES records list sleep medicine (internal medicine) physician (207RS0012X) as their primary taxonomy with a practice address in Michigan: 0.5 per 100,000 residents against 0.3 nationally (50 states and D.C.). Detroit has 13 of them (25%).

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. Washington52
  2. Ohio53
  3. Florida50
  4. Texas56

States with a similar rate per 100,000

  1. Virginia0.5
  2. Connecticut0.5
  3. Oregon0.5
  4. Kentucky0.5

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.