Dr. John Edward Leavens MD is a male Emergency Medicine Specialist, has 9 years of experience and practices in Emergency Medicine.
Dr. John Leavens has 1 office location.
5 Head of the Riv
Smithtown, NY 11787

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Locations and availability (1)
License & Identifications

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.

Education & Awards

Dr. Leavens graduated from Stony Brook University.


Dr. Leavens has 4 hospital affiliations:

  • Good Samaritan Hospital Medical Center 
  • Hartford Hospital 


  • Polish
  • Spanish
  • Creole

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Additional Information
Where does Dr. John E. Leavens practice?
Dr. John Leavens practices Emergency Medicine near Smithtown, NY.
See Smithtown Emergency Physicians.