
Highlights
Age Groups Seen
- Adult 18-65
- Older Adult >65
Languages
- Spanish
- English
Gender
MaleHospital Affiliations
- Nuvance Health - New Milford Hospital
- Nuvance Health - Danbury Hospital
About John A. Spera
Professional Statement
Get To Know Me
How do you spend your personal time when you are not caring for patients?
In my free time, I enjoy spending time with my family, skiing, gardening, and traveling.
Why did you choose your specialty and what is your greatest reward?
Unfortunately, my family has been prone to cancer and I chose this field to make a difference.
Expertise
Education
- Residency: Hospital of the University of Pennsylvania, Radiology, Radiation Oncology, 1987
- Residency: Hospital of the University of Pennsylvania, Urology, 1983
- Residency: Hospital of the University of Pennsylvania, Surgery (General Surgery), 1981
- Internship: Abramson Cancer Center of the University of Pennsylvania, Surgery (General Surgery), 1980
- Medical School: Georgetown University School of Medicine, 1979
Board Certifications
- Radiation Oncology: American Board of Radiology
Locations
- Nuvance Health Medical Practice - Radiation Oncology Danbury
- 24 Hospital Avenue, Danbury, CT 06810
- Get Directions
- phone: 203-739-7190
- fax: 203-749-9051
Insurance
- Aetna
- Anthem BlueCross Blue Shield Connecticut
- Centivo
- Cigna
- ConnectiCare
- Consumer Health Network
- Coventry-Aetna
- Humana Military
- 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
4.9 out of 5
52 ratings, 6 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 12/5/2025
Excellent bedside manner
- 5 out of 5 starsReviewed on 7/31/2025
I found Dr. Spera to be exceedingly kind and thorough . He took time to answer my questions and was very helpful and calmed my nerves . It is very scary dealing with any kind of cancer
- 5 out of 5 starsReviewed on 7/17/2025
Caring and thoughtful
- 5 out of 5 starsReviewed on 7/14/2025
took his time answered all my questions a good listener
- 5 out of 5 starsReviewed on 6/14/2025
He was very kind
- 5 out of 5 starsReviewed on 6/2/2025
Very knowledgeable and professional