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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).

Learn more about Dr. Thomas Gravelyn:

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Patient Reviews

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The overall average patient rating of Dr. Thomas Gravelyn is Average. Dr. Gravelyn has been reviewed by 1 patients who have provided 0 comments. The rating is 2.5 out of 5 stars.

Specialties & Research

Dr. Thomas Gravelyn, MD is board certified in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.

  • He has special expertise in 2 areas:
  • Asthma
  • Restless Legs Syndrome

Education & Awards

Dr. Gravelyn graduated from University of Michigan Medical School, Ann Arbor.


Dr. Gravelyn has 6 hospital affiliations:

  • Saint Joseph Mercy Livingston Hospital 
  • Saint Joseph Mercy Hospital 

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Additional Information
Dr. Thomas Roy Gravelyn MD is a male Internist, has 30 years of experience and practices in Internal Medicine, Pulmonary Disease, and Critical Care Medicine.
Where does Dr. Thomas R. Gravelyn practice?
Dr. Thomas Gravelyn has 3 office locations.
Dr. Thomas Gravelyn practices Internal Medicine, Pulmonary Disease, and Critical Care Medicine near Ypsilanti, MI.
Additional practice locations include: Brighton, MI and Ann Arbor, MI.
See Ypsilanti Internists, Ypsilanti Pulmonologists, and Ypsilanti Critical Care Practitioners.