Meet our team

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Our Staff
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John Powers, DMD Read Bio

Dr. Powers has been practicing dentistry for more than 30 years. After graduating from the University of Massachusetts at Amherst, he attended the University Of Pennsylvania School Of Dental Medicine, receiving his dental degree in 1980. After a general practice dental residency, Dr. Powers began practicing in Greenbelt, Maryland in 1981. He was Chairman of the Dental Department of a Washington, D.C. Area Trauma Hospital for more than a decade. There he was involved in training dental residen...Read More

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Mary B. Alexander, DDS, DMSc Read Bio

Mary B. Alexander, DDS, DMSc Dr. Mary Alexander, periodontist, obtained a Bachelor of Science degree in Biology from the University of South Carolina and continued her education in dentistry at the University of Maryland School of Dental Surgery where she received her DDS degree. Prior to and during her dental studies, Dr. Alexander received funding and support from the National Institutes of Dental Research for her involvement in the periodontal research. After obtaining her DDS degree Dr. Ale...Read More

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Services we provide

At John Powers, DMD we strive to provide our patients with the best and most complete dental care. Our doctors and staff frequently attend continuing education seminars to learn the latest dental techniques. Here are some of the services we provide, please click here.

Payment Forms

We offer a number of convenient payment options for our patients which make it easy to afford any care you may need.

Languages Spoken

  • English