CONTACT USContact Us Brenda Berkal Dentistry ADDRESS 4 Birch Street Derry, NH 03038 Click for Directions PHONE Tel: 603-434-4090 E-MAIL cassie@brendaberkaldmd.com HOURS Monday | 7:30am - 5:00pm Tuesday | 7:30am - 5:00pm Wednesday | 7:30am - 5:00pm Thursday | 7:30am - 1:00pm Book an Appointment OnlineDirectionsHOME