John J. Chronakos, MD
Critical Care MedicineSleep MedicinePulmonology
Highlights
Age Groups Seen
- Child 2-12
- Adolescent 12-18
- Adult 18-65
- Older Adult >65
Languages
- English
Gender
MaleHospital Affiliations
- Nuvance Health - New Milford Hospital
- Nuvance Health - Danbury Hospital
About John J. Chronakos
Professional Statement
John Chronakos, MD, has been with the Danbury Hospital pulmonary department for the last fifteen years. He is board certified in internal medicine, pulmonary medicine and critical care. He is also board certified in sleep disorders. He treats pulmonary patients ages 18+. He treats sleep disorders patients ages 1+. He serves as the chief of the pulmonary section and the vice chair of internal medicine. Dr. Chronakos believes that the patient's best interests should always come first. His areas of expertise include COPD, pulmonary thromboembolism and sleep apnea. Dr. Chronakos prides himself in his attention to detail and his willingness to go the extra mile when it comes to patient care. In his free time, Dr. Chronakos enjoys running and swimming.
Get To Know Me
I provide compassionate care, guided always by the idea that what is right for the patient should come first.
What is the most important thing your patients should expect from their professional relationship with you? What do you expect from them?
My professional relationship with patients is guided by a mutual and shared respect for one another.
How do you spend your personal time when you're not caring for patients?
I enjoy running, swimming and family time.
Why did you choose your specialty and what is its greatest reward?
I am fascinated by the lungs and how they work, and I enjoy building relationships with my patients.
Expertise
Education
- Fellowship: Mount Sinai Hospital, Pulmonary Disease, 2004
- Residency: New York University School of Medicine, Internal Medicine, 2001
- Internship: New York University School of Medicine, Internal Medicine, 1999
- Medical School: New York University School of Medicine, 1998
Board Certifications
- Critical Care Medicine: American Board of Internal Medicine
- Internal Medicine: American Board of Internal Medicine
- Pulmonary Disease: American Board of Internal Medicine
- Sleep Medicine: American Board of Internal Medicine
Locations
- Nuvance Health Medical Practice - Pulmonary and Sleep Medicine Danbury
- 33 Germantown Road, Suite 2, Danbury, CT 06810
- Get Directions
- phone: 203-739-8330
- fax: 203-739-8931
- Nuvance Health Medical Practice - Pulmonary and Sleep Medicine New Milford
- 21 Elm Street, Floor 3, New Milford, CT 06776
- Get Directions
- phone: 203-739-8330
- fax: 203-739-8931
Insurance
- Aetna
- Anthem BlueCross Blue Shield Connecticut
- Centivo
- Cigna
- ConnectiCare
- Consumer Health Network
- Coventry-Aetna
- MagnaCare
- Medicaid Connecticut
- Medicare Connecticut
- Medicare Railroad
- Multiplan Inc
- Northwell Direct
- Oxford Health Plans
- Tricare Humana Military
- United Healthcare
- US Family Health Plan
- Wellcare
Ratings & Reviews
5 out of 5
201 ratings, 12 reviewsProvider star ratings are calculated using patient responses to the provider care questions in our patient experience survey. Below you can see the provider’s star rating and the number of his or her patients who have provided feedback. Ratings depicted represent those clinicians that have at least 30 completed surveys on a rolling 12 month basis.
- 5 out of 5 starsReviewed on 12/20/2025
Very caring and professional, listens to questions and concerns I may have and explains things in a simple way for me to understand. He is very thorough and knowledgeable and includes me in the decision process which makes me feel valued.
- 5 out of 5 starsReviewed on 12/13/2025
Dr. Chronakos is a competent doctor. I will consider him for most of my pulmonary and ent issues
- 5 out of 5 starsReviewed on 12/8/2025
I have been seeing Doctor Chronokas for a very long time. He is knowledgeable of my history, explains things in a way that I can totally understand and Is very up-to-date on the latest developments.
- 5 out of 5 starsReviewed on 7/17/2025
Dr. Chronakos is exceptionally knowledgeable and brings a warm, professional bedside manner. I highly recommend him to anyone seeking expert, personable care.
- 5 out of 5 starsReviewed on 7/5/2025
He is always thoughtful.
- 5 out of 5 starsReviewed on 7/5/2025
An excellent provider. Knowledge, patience, passion, kindness. Listens!! Very through! We have great confidence with this Doctor and feel blessed to work with him.
- 5 out of 5 starsReviewed on 6/22/2025
Dr chronakos ia Avery caring dr. I can speak to him freely about my concerns. He always take time and makes out plan forme to follow if I have a problem. Iam very happy under his care.
- 5 out of 5 starsReviewed on 6/19/2025
Explained all possibilities and opinions
- 5 out of 5 starsReviewed on 6/5/2025
He always asks questions that relate to my condition and suggests alternative practices to see if they work better.
- 5 out of 5 starsReviewed on 3/31/2025
Always makes me feel comfortable to talk to him very kind
- 5 out of 5 starsReviewed on 3/19/2025
He is very personable and I think that he has tremendous expertise I. His knowledge of his specialty.
- 5 out of 5 starsReviewed on 3/6/2025
Always talks to me and explains options we can try.