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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).

Learn more about Dr. John D'Alessio:

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Specialties & Research

Dr. John D'Alessio, MD is board certified in Anesthesiology.

Education & Awards

Dr. D'Alessio graduated from University of Connecticut , Farmington.


Dr. D'Alessio has 9 hospital affiliations:

  • St Francis Hospital & Medical Center 
  • University of Connecticut Health Center 

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Additional Information
Dr. John Gerard D'Alessio MD is a male Anesthesiologist, has 25 years of experience and practices in Anesthesiology.
Where does Dr. John G. D'Alessio practice?
Dr. John D'Alessio has 1 office location.
Dr. John D'Alessio practices Anesthesiology near Hartford, CT.
See Hartford Anesthesiologists.