Phelps Medical Associates


Digestive health is important to your overall health and well being. Our expert gastroenterologists promote digestive health as well as diagnose and treat diseases of the digestive tract.  Westchester Gastroenterology at Phelps has expertise in managing the full spectrum of gastroenterology and hepatology, which includes gastrointestinal, digestive, and liver disorders. 

Address: 777 North Broadway 3rd Floor Suite 305

Sleepy Hollow, NY 10591
Phone: (914) 366-5420
Fax: (914) 366-5421
Office hours: Monday-Friday 9am-5pm
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Floyd C. Byfield, M.D.

Barry E. Field, M.D.

Christopher A. Martin, M.D.   

Peter H. Stein, M.D.

​Diana Winston-Comartin, M.D., M.P.H.

​A Member of 

Call us: (914) 269-1900