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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Gregory Shannon, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Shannon graduated from Michigan State University , East Lansing.


Dr. Shannon has 1 hospital affiliations:

  • Memorial Healthcare Center, Owosso, Mi 

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Additional Information
Dr. Gregory David Shannon MD is a male Emergency Medicine Specialist, has 26 years of experience and practices in Emergency Medicine.
Where does Dr. Gregory D. Shannon practice?
Dr. Gregory Shannon has 3 office locations.
Dr. Gregory Shannon practices Emergency Medicine near Owosso, MI.
Additional practice locations include: Haslett, MI and Canton, MI.
See Owosso Emergency Physicians.