Dr. William Douglas Gammon, PH.D.

2013 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2013 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

Conditions of Medicare patients treated by Dr. William Douglas Gammon, PH.D. in 2013

The most common conditions of Medicare patients that Dr. William Douglas Gammon, PH.D. treated during 2013 were depression.

2014 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2014 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2015 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2015 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

2016 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2016 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

2017 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2017 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

2018 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2018 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

2019 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2019 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

2020 Medicare Procedure Volume

The top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA during 2020 were mental health therapy.

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

Average Medicare Procedure Volume From 2013 - 2020

Volume of procedures performed by Dr. William Douglas Gammon, PH.D. for Medicare patients.

The highest averages for the top procedures that Dr. William Douglas Gammon, PH.D. treated as a psychologist in Billerica, MA were mental health therapy.

Average Medicare Patient Data From 2013 - 2020

Information about Medicare patients treated by Dr. William Douglas Gammon, PH.D..

Average of Total of Conditions of Medicare patients treated by Dr. William Douglas Gammon, PH.D. From 2013 - 2020

The highest averages of the most common conditions of Medicare patients that Dr. William Douglas Gammon, PH.D. treated were depression.