99 Business Park Dr Armonk, NY 10504. Make an Appointment. (914) 949-5081. Share. Save. (914) 949-5081. Dr. Robert Antonelle, MD is a Gastroenterology Specialist in Armonk, NY. He is affiliated with medical facilities Montefiore Mount Vernon Hospital and White Plains Hospital. He is accepting new patients and has indicated that he accepts ....