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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. Priscilla Callahan-Lyon:

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Specialties & Research

Dr. Priscilla Callahan-Lyon, MD is board certified in Internal Medicine.

Education & Awards

Dr. Callahan-Lyon graduated from University of Florida, Gainesville.

> > > > Dr. Priscilla Callahan-Lyon, MD

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Additional Information
Dr. Priscilla Ruth Callahan-Lyon MD is a female Internist, has 30 years of experience and practices in Internal Medicine.
Where does Dr. Priscilla R. Callahan-Lyon practice?
Dr. Priscilla Callahan-Lyon has 1 office location.
Dr. Priscilla Callahan-Lyon practices Internal Medicine near Gaithersburg, MD.
See Gaithersburg Internists.