Specialist in Periodontics and Dental Implants We welcome you as a patient and appreciate the opportunity to provide you with periodontal and dental implant treatment. We are a preferred provider in the following PPO Insurance plans: United Concordia PPO Aetna PPO Delta PPO Dental Benefit Providers United Healtcare Discount plan This web site is designed to answer questions most patients have. The more you know, the more we can be of service. Everyone in this practice is a team member. We all take pride in our professionalism. Sanford A. Barber DMD 4701 Randolph Road Suite 104 Rockville, MD 20852 301-881-2323 301-881-1301 fax e-mail: randolphperio@aol.com