Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Leonardo xhas an overall rating of 5.0.


Dr. John Leonardo, MD is a Doctor primarily located in Syosset, NY. He has 11 years of experience. His specialties include Anesthesiology. Dr. Leonardo is affiliated with Bergen Regional Medical Center, Syosset Hospital and Select Specialty Hospital NE New Jersey. He speaks English.

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Locations & Directions

Artificial of Anesthesia

75 Jackson Ave
Syosset, NY 11791

Specialties & Expertise

Dr. John Leonardo has the following 1 area of expertise and 1 specialty:

  • Anesthesiology


  • Anesthesia


  • Languages

    • English


State University Of New York Downstate Medical Center College Of Medicine, 2002