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Learn About Mullen Orthodontics - Your Leesburg, VA Loudoun Orthontist

Nice To Meet You!

Our Group Photos

Your staff at Mullen Orthodontics is professional and fun-loving. Here we pause for a staff photo, celebrate a staff birthday, delight you with our "Bananas" Halloween costumes, and show our support for the Washington Nationals - Yay Team!

News Flashes

And Latest Updates

News Flash - Mullen Orthodontics


In the Meantime...

This section provides you with the latest news blurbs about Mullen Orthodontics until we release our next seasonal newsletter.


Fun Monthly Contest!
June's Good Check Up Contest is Sweet --- A Rita's Gift Card!

Get the details and join in the fun at our office

June 14, 2018 9:56pm EST


Welcome Video!
Be sure and check out our new welcome video!

Go to our About Us Page to play the welcome video

October 20, 2017 10:10am EST


Invisalign Elite Provider!
Congratulations Dr. Mullen for achieving the distinction of Elite Provider!

Read all about what this title means

June 6, 2017 10:10am EST

Meet The Team

Your Dedicated Professionals

More About Us

Meet Your Doctor


Dr. S. Russell Mullen, DDS, MS, PC

Being up-to-date in the latest orthodontic techniques and treatments for pediatric, adolescent, and adult patients has always been a priority for Dr. Mullen. He is well versed in Invisalign® and self-ligating bracket systems that can reduce treatment time and increase patient comfort, and uses the latest technologies in orthodontics to maximize smile aesthetics and give the best possible results to his patients. He is a Diplomate of the American Board of Orthodontics, an achievement earned only by about 25% of practicing orthodontists.

Dr. Mullen grew up in Springfield, Virginia as the oldest of four children. He went to the University of Virginia and earned a Bachelor of Arts in Biology. He then attended the Medical College of Virginia School of Dentistry, where he graduated Magna Cum Laude. While attending MCV, he was a member of Psi Omega dental fraternity and received the Fraternal Achievement award; an award given to the senior student who showed the most outstanding service during their four years of school. Dr. Mullen was also inducted into Omicron Kappa Upsilon, a dental honor society whose members are chosen by the faculty of the dental school. He then completed a three-year orthodontic residency at West Virginia University, and earned a Masters of Science in Orthodontics.

Dr. Mullen is a member of the American Dental Association, the Virginia Dental Association, the Northern Virginia Dental Association, the American Association of Orthodontists, and is a member of several dental and orthodontic study clubs. He was elected by his peers to serve as President of the Virginia Association of Orthodontists after being in practice for only 6 years. He is also one of 64 orthodontists in the nation to serve as a Delegate for the American Association of Orthodontists. Living and working in Leesburg with his wife and three young children, Dr. Mullen enjoys hiking, tennis, competing in triathlons, and mountain bike racing. You will see him out on the fields coaching his children most weekends.

Awarded Orthodontist

Mission Statement

Our mission is to help our patients create beautiful smiles and well-balanced faces that exude confidence and self-worth. Dr. Mullen treats each patient as an individual by providing a customized treatment plan to address their needs and desires. From the beginning of treatment, we hope to deliver an orthodontic experience that is professional, comfortable, caring, and fun. We will act as both educators and motivators, taking our patients to the highest level of orthodontic care by offering the latest technologies and newest treatment options, such as ceramic braces, Invisalign™, and digital imaging,  including no-gag digital impressions.

Welcome Video from Dr. Mullen

Watch our Welcome Video to see what others are saying about us

Office Policies


Your scheduled appointment has been reserved specifically for you. We request 24 hours’ notice if you need to cancel your appointment. If your appointment is missed, it is the responsibility of the patient to contact our office immediately to set up a new appointment.

If you arrive more than 10 minutes late for your scheduled appointment, it may become necessary to reschedule you.

Insurance Policy

Mullen Orthodontics is committed to helping you maximize your benefits from your insurance company. We participate with many insurance companies, and are able to accept payments from almost all insurance companies. Our Office Manager, Donna, is highly experienced in working with insurance companies and will help with this aspect of your orthodontic care.

We will verify your insurance benefits prior to the start of your treatment. We will be responsible for the filing of your insurance claims. If during treatment, your insurance benefits decrease, change or terminate, the unpaid balance will be the responsibility of the patient. It is the patient’s responsibility to notify us of any insurance change.

Dental Care

Regular dental care is the responsibility of the patient and family dentist. We encourage our patients to see their general dentist every 6 months during active orthodontic treatment.