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 Leavens:
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The overall average patient rating of Dr. John Leavens is Excellent.
Specialties & Research
Dr. John Leavens, MD is board certified in Emergency Medicine.
Education & Awards
Dr. Leavens graduated from Stony Brook University.
Dr. Leavens has 4 hospital affiliations:
- Hartford Hospital
- Good Samaritan Hospital Medical Center
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- Additional Information
- Dr. John E Leavens MD is a male Emergency Medicine Specialist, has 10 years of experience and practices in Emergency Medicine.
- Where does Dr. John E. Leavens practice?
- Dr. John Leavens has 2 office locations.
Dr. John Leavens practices Emergency Medicine near Hartford, CT.
Additional practice locations include: Smithtown, NY.
See Hartford Emergency Physicians.