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Internist, Critical Care Specialist, Pulmonologist (lungs), Sleep Medicine Specialist
13 years of experience
Accepting new patients
Video profile
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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. John Chronakos is Good. Dr. Chronakos has been reviewed by 7 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.6
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.1

Specialties & Research

Dr. John Chronakos, MD is board certified in Internal Medicine, Critical Care Medicine, Pulmonary Disease, and Sleep Medicine.

  • He has special expertise in 2 areas:
  • Asthma
  • Insomnia

Education & Awards

Dr. Chronakos graduated from New York University. He has 3 awards.

Castle Connolly Top Doctors: New York Metro Area™ (2013 - 2015)
Castle Connolly's Top Doctors™ (2012 - 2013)
On-Time Doctor Award (2014)


Dr. Chronakos has 3 hospital affiliations:

  • Danbury Hospital 
  • New Milford Hospital 
  • Danbury Hospital Acute Ub 


  • Greek
  • Spanish

> > > > Dr. John Chronakos, MD

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Additional Information
Dr. John J Chronakos MD is a male Internist, has 13 years of experience and practices in Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine.
Where does Dr. John J. Chronakos practice?
Dr. John Chronakos has 1 office location.
Dr. John Chronakos practices Internal Medicine, Pulmonary Disease, Critical Care Medicine, and Sleep Medicine near Danbury, CT.
See Danbury Internists, Danbury Pulmonologists, Danbury Critical Care Practitioners, and Danbury Sleep Medicine Doctors.