Dr. Joanna Claustro and her team of dental professionals are recognized for the exceptional care we provide for individuals and families alike. Whether you are in need of preventive care or a full-mouth rehabilitation, we take time to listen to your concerns, evaluate your individual needs, and discuss the various options available to you.

It is our mission to provide you with a positive experience so that you leave our practice feeling informed, confident, and well taken care of.
It is our mission to make you smile. 

Joanna Claustro / DMD
20745 Williamsport Place, Suite 300
Ashburn, Virginia 20147

Mon - Thurs         8am to 5pm
Alternating Fridays        8am to 1pm


Our Services

We offer a full range of preventive, cosmetic, restorative, TMJ, and emergency dental services at our brand new state-of-the-art practice in Ashburn, Virginia. We welcome patients of all ages, abilities, and backgrounds to join our dental family and discover how comfortable dentistry can be.

From periodontal cleanings, implant crowns, and fillings; to Invisalign, veneers, or dentures -- Dr. Claustro is here to help you put your best face forward.

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Communities Served

We are conveniently located off Loudoun County Parkway in Ashburn, VA and are easily accessed from the Dulles Toll Road, Rt. 7, and Rt. 28. As a member of the One Loudoun Community, we serve Ashburn and the surrounding areas of Sterling, Reston, Herndon, Great Falls, and Leesburg -- though we have patients that commute from all corners of Northern Virginia/DC Metro and travel from out of state to  experience the #TeamClaustroDMD difference!

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The Cheerful Dentist

Dr. Joanna Claustro takes her time to discuss her patients' concerns and educate them on her findings. Her passion for comprehensive dental care is apparent in all that she does. Her dental blog, The Cheerful Dentist, addresses topics in dentistry, business, and every-day life that resonates with the needs, concerns, and lifestyles of those living in our area. 

Link to Blog Coming Soon! »

Best Dentist Ashburn Virginia

Her Practice. Her Passion.

Dr. Claustro has built a dental practice that focuses on you, your health, and your desire to live a fulfilling life. Dr. Claustro's passion for dentistry is matched by her desire to make people genuinely happy. She recognizes the important role that a healthy smile plays in our day-to-day lives and she approaches each of her patients with empathy, charisma, and a wealth of experience and knowledge.


"The Claustro team is absolutely phenomenal! I've called with routine needs and emergency needs and the results are consistently outstanding. They go out of their way to address the patients needs... and make every patient feel special. Truly a great team of professionals."

—  Kenneth G., Travels from Manassas, VA


Northern Virginia's Favorite Dental Team

Our team is consistently recognized by our patients for our ability to make them feel comfortable and welcomed from the moment they call to schedule their appointment to the moment they leave after treatment. We are proud to have earned countless positive reviews and referrals, and are so thankful to be part of this amazing community.