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. John Byrne:
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- Currently 1 of 4 stars
The overall average patient rating of Dr. John Byrne is Poor.
Education & Awards
Dr. Byrne graduated from UMDNJ at Stratford.
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- Additional Information
- Dr. John Merren Byrne DO is a male Internist, has 11 years of experience and practices in Internal Medicine.
- Where does Dr. John M. Byrne practice?
- Dr. John Byrne has 3 office locations.
Dr. John Byrne practices Internal Medicine near Bel Air, MD.
Additional practice locations include: Laurel, MD and Lutherville Timonium, MD.
See Bel Air Internists.