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.
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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 2 office locations.
Dr. Priscilla Callahan-Lyon practices Internal Medicine near Gaithersburg, MD.
See Gaithersburg Internists.