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John A. Spera

John A. Spera, MD

4.952 ratings, 6 reviews

Radiation Oncology

Accepting New Patients

Highlights

Age Groups Seen

  • Adult 18-65
  • Older Adult >65

Languages

  • Spanish
  • English

Gender

Male

Hospital Affiliations

  • Nuvance Health - New Milford Hospital
  • Nuvance Health - Danbury Hospital

About John A. Spera

Professional Statement

Dr. John Spera is a bilingual, board certified radiation oncologist who serves as Chief of Radiation Oncology at Danbury and New Milford Hospitals. He has a general practice with special interests in stereotactic radiotherapy, cancers of the head and neck, breast and prostate. Dr. Spera believes cancer care should be delivered with technological excellence. A native of Stamford, Connecticut, he enjoys spending time with his patients in a friendly environment and to identify a personal care plan to best meet your needs.

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

  1. Nuvance Health Medical Practice - Radiation Oncology Danbury
Need help scheduling? Call 203-739-7190

Insurance

Note: All providers do not participate with all Insurance Plans, Insurance Plan Products or Employer Groups. Please contact the doctor's office directly to confirm acceptance of your specific insurance plan.
Search plans
  • 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 reviews

Provider 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.

Doctor Explain Recently
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Doctor Spent Enough Time Recently
Search reviews
    5 out of 5 stars
    Reviewed on 12/5/2025

    Excellent bedside manner

    5 out of 5 stars
    Reviewed 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 stars
    Reviewed on 7/17/2025

    Caring and thoughtful

    5 out of 5 stars
    Reviewed on 7/14/2025

    took his time answered all my questions a good listener

    5 out of 5 stars
    Reviewed on 6/14/2025

    He was very kind

    5 out of 5 stars
    Reviewed on 6/2/2025

    Very knowledgeable and professional