Chestnut Ridge Family Medical Care 5959 Big Tree Road, Suite 107 Orchard Park, NY 14127 Phone: 716-260-1593 Fax: 716-771-3903 Email: office@chestnutridgefamilymedical.com. Insurance. If you are a current patient of Dr. Dilamarter's you will NOT need to notify your insurance carrier. The practice accepts most commercial insurance plans..