DR. MICHAEL J SIMPSON MD
NPI 1245208321
Internal Medicine in Troy, MI

Q: What is Michael Simpson's NPI number?

The NPI number for Michael Simpson is 1245208321. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Q: What is Michael Simpson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Simpson was last updated on February 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 March 14, 2006

4600 INVESTMENT DR, STE 300, TROY, MI 48098(248) 267-5000(248) 267-5001 Get Directions Write a Review

NPPES record last updated: February 25, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Michael J Simpson Md NPPES

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

DR. MICHAEL J SIMPSON MD (NPI 1245208321) is an individual internal medicine provider in Troy, Michigan, licensed in Michigan (4301045180) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1245208321

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. MICHAEL J SIMPSONCredential: MD

Location Address4600 INVESTMENT DR, STE 300Troy, MI 48098-6365

Mailing Address4600 Investment Dr, Ste 300Troy, MI 48098-6365 · (248) 267-5000 · Fax (248) 267-5001

Phone(248) 267-5000

Fax(248) 267-5001

Sole ProprietorNo

Enumeration DateMarch 14, 2006

Last NPPES UpdateFebruary 25, 2008

✔ NPI 1245208321 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MI · 4301045180

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4600 INVESTMENT DR, Troy, MI 48098

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Other Identifiers 2

Medicare UPINA78276

Medicare PINM07130002MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include McLaren Health Plan Community.Insurance ›

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.

DR. MEHMET E DONAT MD

Internal Medicine (Gastroenterology)

4600 INVESTMENT DR, STE 380
TROY, MI 48098

Oakland County (248) 267-5025

DR. TIMOTHY J TINETTI MD

Internal Medicine

4600 INVESTMENT DR, STE 300
TROY, MI 48098

Oakland County (248) 267-5000

DR. DAVID J KEARNEY MD

Urology

4600 INVESTMENT DR, STE 370
TROY, MI 48098

Oakland County (248) 267-5035

DR. SUNDEEP S DHILLON MD

Internal Medicine (Nephrology)

4600 INVESTMENT DR, STE 290
TROY, MI 48098

Oakland County (248) 267-5010

DR. JANET K DUBECK MD

Internal Medicine

4600 INVESTMENT DR, STE 300
TROY, MI 48098

Oakland County (248) 267-5000

MICHIGAN HEART GROUP PC

Internal Medicine (Cardiovascular Disease)

4600 INVESTMENT DR, SUITE 200
TROY, MI 48098

Oakland County (248) 267-5050

WILLIAM BEAUONT HOSPITAL

Internal Medicine

4600 INVESTMENT DR
TROY, MI 48098

Oakland County (616) 486-6790

DR. LEONARD G QUALLICH III MD

Internal Medicine (Gastroenterology)

4600 INVESTMENT DR, STE 380
TROY, MI 48098

Oakland County (248) 267-5025

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 Michael Simpson's NPI number?

The NPI number for Michael Simpson is 1245208321. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Michael Simpson located?

Michael Simpson practices at 4600 Investment Dr Ste 300, Troy, MI 48098. The listed phone number is (248) 267-5000.

What is Michael Simpson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

What insurance does Michael Simpson accept?

Health plans from McLaren Health Plan Community list Michael Simpson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Simpson was last updated on February 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.