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

Dr. Michael J Simpson, MD

Individual provider Internal Medicine Physician · NPI 1245208321

Dr. Michael J Simpson, MD is an Internal Medicine Physician in Troy, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
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

4600 Investment Dr Ste 300
Troy, MI 48098-6365
Phone: (248) 267-5000
Fax: (248) 267-5001
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301045180 (MI)

Record details

NPI number1245208321
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESFebruary 25, 2008
Mailing address4600 Investment Dr, Ste 300, Troy, MI 48098-6365

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