DR. WILLIAM THOMAS ALLEN MD
NPI 1891016317
Internal Medicine - Sleep Medicine in Southfield, MI

Q: What is William Allen's NPI number?

The NPI number for William Allen is 1891016317. It was assigned to this individual provider in the NPPES registry on June 18, 2010.

Q: What is William Allen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Q: When was this NPI record last updated?

The NPPES record for William Allen was last updated on June 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 18, 2010

24681 NORTHWESTERN HWY, SUITE 301, SOUTHFIELD, MI 48075(248) 304-0340 Get Directions Write a Review

NPPES record last updated: June 18, 2010. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. William Thomas Allen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM THOMAS ALLEN MD (NPI 1891016317) is an individual sleep medicine provider in Southfield, Michigan, licensed in Michigan (4301035090) and active in the NPI registry since June 2010.

NPPES Registry Identity

NPI1891016317

Entity TypeIndividualMale

Primary Taxonomy207RS0012X

Provider Legal NameDR. WILLIAM THOMAS ALLENCredential: MD

Location Address24681 NORTHWESTERN HWY, SUITE 301Southfield, MI 48075-2305

Mailing Address6463 Wyndham DrWest Bloomfield, MI 48322-1070 · (248) 960-9590

Phone(248) 304-0340

Sole ProprietorYes

Enumeration DateJune 18, 2010

✔ NPI 1891016317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in MI · 4301035090

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

24681 NORTHWESTERN HWY, Southfield, MI 48075

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Other Identifiers 1

Medicare UPINA77621MI

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LYDIA CROWELL

Behavior Technician

24681 NORTHWESTERN HWY
SOUTHFIELD, MI 48075

Oakland County (248) 231-3731

MARY TOWNS

Behavior Technician

24681 NORTHWESTERN HWY
SOUTHFIELD, MI 48075

Oakland County (248) 860-3490

HALEY POSGATE

Behavior Technician

24681 NORTHWESTERN HWY
SOUTHFIELD, MI 48075

Oakland County (248) 579-3119

QUICK RESPONSE MEDICAL PROFESSIONALS, P.C.

Family Medicine

24681 NORTHWESTERN HWY, 403
SOUTHFIELD, MI 48075

Oakland County (248) 208-0037

JASPAL KAUR

Physical Therapist

24681 NORTHWESTERN HWY, SUT 103
SOUTHFIELD, MI 48075

Oakland County (248) 809-9360

ASHLYN MATHEWSON

Behavior Technician

24681 NORTHWESTERN HWY
SOUTHFIELD, MI 48075

Oakland County (248) 860-3490

ROSEANNA NASH

Behavior Technician

24681 NORTHWESTERN HWY
SOUTHFIELD, MI 48075

Oakland County (248) 231-3731

BRITTANY VANDERHOEF

Behavior Technician

24681 NORTHWESTERN HWY
SOUTHFIELD, MI 48075

Oakland County (248) 860-3490

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Allen's NPI number?

The NPI number for William Allen is 1891016317. It was assigned to this individual provider in the NPPES registry on June 18, 2010.

Where is William Allen located?

William Allen practices at 24681 Northwestern Hwy Suite 301, Southfield, MI 48075. The listed phone number is (248) 304-0340.

What is William Allen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

When was this NPI record last updated?

The NPPES record for William Allen was last updated on June 18, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.