Meet our Staff

Your family deserves to receive dental care from a highly trained, caring staff. Callahan Dental provides an experienced, professional staff support team, well-qualified, to provide you with personalized dental care.

We participate in continuing education programs on the latest developments to serve you better. We feel that this training is vital in a health services field that is undergoing change with new discoveries and techniques.

Callahan Dental Staff Photo - TeriTeri, Business Coordinator

Teri joined us in 2000 and has enjoyed a 20 year dental career. Teri’s background in dental assisting is key in understanding clinical procedures and insurance coding to maximize patient benefits. She can be heard on the phone answering dental questions and helping patients schedule appropriate care daily.  Teri enjoys travel, family and friends.

Callahan Dental Staff Photo - DianeDiane, Business Coordinator

Diane joined our practice in 2013 and comes with a 13 year background in both dental practice administration and dental assisting.  Diane understands the many clinical aspects of dentistry, making her well versed in providing treatment planning and insurance support.  These skills enhance our ability to provide necessary and cosmetic care in a professional and timely manner.

Callahan Dental Staff Photo - TresaTresa, Registered Dental Hygienist

Since 1997, Tresa has played an instrumental role in our preventive care program.  A 1994  graduate of Baltimore City Community College dental hygiene school, Tresa’s gentle touch and skill has kept countless patients healthy and free from unnecessary problems. Patients ask for her by name. Tresa enjoys her family and golden retriever in her free time.

Callahan Dental Staff Photo - XiomaraXiomara, Registered Dental Hygienist

We knew how much patients loved Xiomara before we hired her – she filled in for us when others were on vacation, sick, or we added extra time for care around the holidays. It’s not uncommon to hear: “Wow! That’s the most thorough cleaning I’ve ever had.” Xiomara is a 2013 graduate of the Northern Virginia Community College’s hygiene program. She shows a real concern for patient dental health and has a real tact of promoting oral hygiene habits that patients love. Xiomara enjoys her family, friends, and photography in her free time.

Callahan Dental Staff Photo - PennyPenny, Dental Assistant

Penny has touched the lives of thousands of patients in her 36 year career as a dental assistant. Penny has been at Callahan Dental for 20 years and oversees the clinical functions of the office. Her needlepoint can be seen hanging from the walls of our office and is priceless.

Callahan Dental Staff Photo - SoniaSonia, Dental Assistant

Sonia joined our practice in 2007 and has enjoyed a career in the dental profession since 1997. Fluent in Spanish, Sonia has allowed us to expand our services to meet the needs of the Hispanic community in the area. Sonia exudes warmth and a sincere charm. Her hobbies include jogging.

Callahan Dental • The Lakeside Building at CountrySide •
14 Pidgeon Hill Drive #200, Sterling, VA 20165
Ph: (703) 444-4104 • Fax: (703) 444-9344
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Callahan Dental
Paul W. Callahan, D.D.S. & Karen M. Callahan, D.D.S., PC
General & Family Dentistry
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14 Pidgeon Hill Dr. Ste 200
Sterling, VA 20165 USA
(703) 444-4104