If you have a medical emergency call 911 or go to the nearest Emergency Department. Call 631-689-2600 if you need to speak with Dr. Leiboff urgently. To schedule an office appointment or for other office matters, please call 631-689-2600 during regular office hours.

If you are not a patient of our practice and want to talk to Dr. Leiboff about a colorectal topic, please schedule a session at Colon and Rectal Surgeons Online.