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).
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Specialties & Research
Dr. John Leavens, MD is board certified in Emergency Medicine.
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Education & Awards
Dr. Leavens graduated from Stony Brook University.More Education & Awards
Dr. Leavens has 3 hospital affiliations:
- Hartford Hospital
- University Hospital
- Good Samaritan Hospital Medical Center
Learn more about Dr. John Leavens:
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- Additional Information
- Where does Dr. John E. Leavens practice?
Dr. John Leavens practices Emergency Medicine near Smithtown, NY.
Additional practice locations include: West Islip, NY and Stony Brook, NY.
See Smithtown Emergency Physicians.
- Similar Physician Names
- Dr. Deshawn Leavens, Dr. Evan Leavens, Dr. Giovanni Leavens, Dr. Hank Leavens, Dr. Hans Leavens, Dr. Ian Leavens, Dr. Ivan Leavens, Dr. Jack Leavens