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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. Charles Martin, MD is board certified in Internal Medicine.

Education & Awards

Dr. Martin graduated from University of Cincinnati.


Dr. Martin has 3 hospital affiliations:

  • Emerson Hospital 
  • Emerson Hospital - Out Pt 
  • Rwj University Hospital - Hamilton 


  • Spanish

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Additional Information
Dr. Charles Gregory Martin MD is a male Internist, has 35 years of experience and practices in Internal Medicine.
Where does Dr. Charles G. Martin practice?
Dr. Charles Martin has 1 office location.
Dr. Charles Martin practices Internal Medicine near Concord, MA.
See Concord Internists.