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 Clayton:
View the full profile to get information on:
- What's important to you
View full profile
Write a Review
Specialties & Research
Dr. John Clayton, MD is board certified in Emergency Medicine and Internal Medicine.
Education & Awards
Dr. Clayton graduated from Boston University .
Similar doctors nearby
- Additional Information
- Dr. John Preston Clayton MD is a male Emergency Medicine Specialist, has 27 years of experience and practices in Emergency Medicine and Internal Medicine.
- Where does Dr. John P. Clayton practice?
- Dr. John Clayton has 1 office location.
Dr. John Clayton practices Emergency Medicine and Internal Medicine near Bethesda, MD.
See Bethesda Emergency Physicians and Bethesda Internists.