Information about the Coronavirus

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Active Staff

In practice since 1972

Arthur H. Knowlton MD

Dr. Knowlton is a board-certified radiation oncologist specializing in lung and gastrointestinal cancers. Other areas of expertise include lymphomas/myelomas and gynecologic, head/neck and breast cancers.


American Board of Radiology - Therapeutic Radiology

Education & Training

Medical School

Albany Medical College - Albany, NY


Yale-New Haven Hospital - New Haven, CT


Radiation Oncology

The Center for Cancer Care at Griffin Hospital
350 Seymour Ave. 
DerbyCT  06418-1336
(203) 732-1280

Yale Medical Group

Yale Therapeutic Radiology
PO Box 208040 
New HavenCT  06511
(203) 200-2000

Hospital Specialties

Radiation Oncology


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