Our Office

This page provides you with practical information about our practice. It includes descriptions of our office location, including a map and directions, hours, appointmentscheduling, insurance acceptance and billing policies.

Dr. Leonoff’s office is located off of Rt 58 in Riverhead.  Commerce Drive is located between Panera Bread and Harley Davidson, across from Riverhead Toyota and PC Richard.  Building 54 is in the Northwest Corner of Commerce.  Suite 8 is around the building on the Southwest corner.  Just follow the signs when you get to building 54.  Please note that Google Maps come up as Calverton but our mailing address is Riverhead.

David R. Leonoff, DDS, PC
54 Commerce Drive, Suite 8
Riverhead, NY 11901
(631) 369-5300

Office Hours

Monday: Closed
Tuesday: 10:00 AM - 05:00 PM
Wednesday: Closed
Thursday: Closed
Friday: Closed
Saturday: Closed
Sunday: Closed

We know you have many choices when choosing a Periodontist in Riverhead, NY so we have made requesting an appointment a simple process via our Web site. If, for any reason you cannot keep a scheduled appointment, or will be delayed, please call us as soon as possible.

Insurance and Billing
We accept most traditional insurance plans, contact our office to verify acceptance of your plan. David R. Leonoff, DDS, PC does not participate in Health Management Organizations; however, we will be happy to file your insurance claims for you.

Payment Options
We accept checks, cash or credit cards. We also offer a flexible payment plan. Please see our Financial Coordinator for details.