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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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> > > > Dr. Mary McDonald, MD, MPH

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Additional Information
Dr. Mary Ann McDonald MD and MPH is a female Internist and practices in Internal Medicine.
Where does Dr. Mary A. McDonald practice?
Dr. Mary McDonald has 1 office location.
Dr. Mary McDonald practices Internal Medicine near Hamden, CT.
See Hamden Internists.