Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Thomas Allen, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1891016317

Dr. William Thomas Allen, MD is a Sleep Medicine (Internal Medicine) Physician in Southfield, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

24681 Northwestern Hwy Ste 301
Southfield, MI 48075-2305
Phone: (248) 304-0340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 4301035090 (MI)

Record details

NPI number1891016317
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 18, 2010
Last updated in NPPESJune 18, 2010
Mailing address6463 Wyndham Dr, West Bloomfield, MI 48322-1070

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