Meet Our Doctors

Charles H. Brown, D.D.S.

Dr. BrownDr. Brown earned his Doctor of Dental Surgery degree, cum laude, from the Medical College of Virginia in 1996. A distinguished graduate, he was presented the A.D. Williams Academic Achievement Award for ranking first in his class for the 1996 academic year. He then completed a General Practice Residency program at the University of Mississippi Medical Center where he received the Resident of the Year Award. Concurrently, he completed an Advanced Education in General Dentistry Program at the Veterans Administration Medical Center in Jackson, Mississippi. In 1997 he received the Quality Care Award. Since 2003, Dr. Brown has been listed in several publications as one of the region’s top dentists. Most recently, he was listed in Northern Virginia Magazine as one of the area's top dentists. In fact, he was one of only six Alexandria dentists to receive this recognition. He has also been recognized by Washington’s Consumer Checkbook Magazine. His professional memberships include the American Dental Association and the Academy of General Dentistry.

Dr. Brown has been practicing dentistry at Hayfield Dental Care since 1997. During his time here he has performed literally thousands of crown, root canal and other surgical procedures. He has also placed over 30,000 white “tooth colored” fillings. Furthermore, he has the most advanced general practice training and can perform almost any procedure including extractions and pre-prosthetic surgery without the need for an outside referral. Dr. Brown is very accessible to his patients and is always willing to discuss treatment and answer questions over the phone to patients of record. If you leave him a message he will always return your call within a reasonable time frame.

Dr. Brown received his undergraduate degree in microbiology, with a minor in chemistry, from Virginia Tech (Go Hokies!). He is originally from McLean, Virginia, where he attended Langley High School.  He enjoys spending his free time with his family. Dr. Brown has three young children and his weekends and many weekday evenings are filled as a coach on their little league baseball and softball teams.   

John C. Wiger, D.D.S. – Orthodontist

dr wigerDr. Wiger is an orthodontic specialist who earned his Bachelor of Science degree from the University of Maryland at College Park in 1984 and his Doctorate of Dental Surgery degree from the University of Maryland at Baltimore in 1990. He received both his orthodontic specialty training and his MS degree in Oral Biology from Baylor University in 1992.

Dr. Wiger is recognized and appreciated for his excellence in orthodontics as well as the gentle and compassionate care of his patients. He has been named over and over again as one of the area's top orthodontists by Washingtonian Magazine, Northern Virginia Magazine, Family Magazine and Virginia Living Magazine.

Dr. Wiger founded Wiger Orthodontics in 1993 and had offices in Ashburn, VA and Potomac Falls, VA. Dr. Wiger has served people from all over Northern Virginia, Maryland and Washington, D.C. He dedicated his practice to providing patients with superior orthodontic care using the very latest technology and medical advances. He has an underlying passion for creating beautiful smiles. Over the last 23 years, he has started and completed thousands of orthodontic cases with dazzling results.

Dr. Wiger is a member of many professional organizations such as the American Association of Orthodontists and the Southern Association of Orthodontists, to name a few. He has also served as an orthodontic advisor to the Greater Loudoun Study Club, a consortium of dental professionals committed to providing excellent dental care in Northern Virginia.

In May of 2016, Dr. Wiger sold Wiger Orthodontics to spend more time with his family and to focus on direct patient care rather than running a large orthodontic practice. As a testimony to Dr. Wiger's reputation and work ethic most of his staff members had been with him for over a decade, some as long as 17 years. He came to Kingstowne Orthodontics in October of 2016 and we are very fortunate to have such an esteemed and recognized orthodontist to treat our patients.

Dr. Wiger replaces our former popular and talented orthodontist, Dr. Frances Hamman. After 11 years as our sole orthodontist, she moved back home to Ohio to help care for her ailing father. Dr. Hamman worked closely with Dr. Wiger in transition, to assure that he was familiar with all of her individual patients and the specifics of their cases.

Kenneth Lee, D.D.S., F.A.G.D.

Dr. Lee received his Doctor of Dental Surgery degree from the University of Maryland at Baltimore College of Dental Surgery. He then completed a General Practice Residency program at the Veteran's Affair Hospital in Baltimore. Dr. Lee has extensive experience and advanced training in all areas of dentistry. During his years of practice, Dr. Lee has placed and restored hundreds of implants. He is currently the only dentist at our office that can surgically place and restore implants. In fact, he is also the only dentist in Kingstowne that can surgically place implants. Most offices require you to visit one office for the surgical placement of the implant and another office to place the crown on the implant once it has healed. Dr. Lee's training and expertise enable him to perform both of the procedures right here, in most cases, without the need for an outside referral. Dr. Lee is also proficient in bone grafting, extractions, periodontal surgery, root canals and removable dentures as well as cosmetic dentistry and crowns.

Dr. Lee's professional memberships include the American Academy of Implant Dentistry and the Academy of General Dentistry. Dr. Lee is also a Fellow in the Academy of General Dentistry as indicated by the F.A.G.D. after his name. This is a prestigious title that is only awarded by the academy after a dentist has completed a significant amount of advanced continuing education training and testing. Impressively, Dr. Lee was awarded this title after only three years of practice, whereas most dentists never attain this goal, or if they do, it is after many more years of practice. Dr. Lee is also listed in the "Guide to America's Top Dentists."

In his spare time Dr. Lee enjoys playing various sports, hiking, outdoor activities and traveling. He maintains a residence in Arlington.

Mary Walker, D.D.S.

Dr Mary WalkerDr. Walker received her Doctorate of Dental Surgery from Creighton University in Omaha, Nebraska in 2011. While at Creighton, she earned a scholarship for academic achievement and worked as a student director for a dental clinic serving the low-income population in Omaha. Prior to graduation, Dr. Walker completed an externship with a general practice residency program at the Brooklyn Hospital Center in Brooklyn, New York. She completed her undergraduate degree at Creighton University, as well, earning a degree in chemistry in 2006. Prior to starting dental school, she worked as a research technician at Duke University Medical Center.

Before her move to Virginia, Dr. Walker practiced for five years in Connecticut. She is skilled in and enjoys practicing all aspects of dentistry from composite (white) fillings to root canals, extractions and surgical procedures. She is also trained in a wide range of cosmetic procedures, including veneers, teeth whitening and porcelain crowns. She has completed training in dental sleep medicine and Invisalign and has been an Invisalign Preferred Provider.

Dr. Walker and Dr. Timothy Spitzer perform most of the root canals at the Hayfield office. If you are having a severe toothache and think you may need a root canal make sure you request Dr. Walker or Dr. Spitzer. Their skill with that procedure is exceptional.

Originally from Kansas, Dr. Walker and her family are loving life in Northern Virginia. She enjoys visiting the many parks and museums in the area with her family, and she loves to cook!

Dr. Walker is fluent in Spanish and has treated many patients that only speak Spanish.

Timothy Spitzer, D.M.D.

Dr SpitzerDr. Spitzer earned his Doctorate of Dental Surgery from Northwestern University Dental School in 1986. He also completed a number of externships. His undergraduate studies were done at the University of Wisconsin at Madison.

Dr. Spitzer is originally from Wisconsin but he moved to and has been practicing dentistry in the Washington area for a little over 30 years. He was originally hired by Hayfield Dental in 1988 and has also worked part-time at other area practices over the years. He also served as Chief Dental Officer for Pan Am World Services from 1991-1994.

Dr. Spitzer is extremely experienced in all areas of dentistry, ranging from complex root canals, dentures and implant crowns, to crowns, bridges and composite fillings. Over the last 30 years Dr. Spitzer has performed tens of thousands of these procedures. He has also completed hundreds of hours of continuing education and advanced dental training.

In his spare time, Dr. Spitzer enjoys being outdoors, traveling and working on home improvement projects.

Tara L. Zier, D.D.S.


Dr. Zier developed a serious medical condition in late 2016 and has been on extended medical leave since that time.  She is not currently practicing dentistry but we are hopeful that she will be able to return at some point in the future.  We will keep her profile updated as she recovers.  

Dr. Zier earned her Doctor of Dental Surgery degree from the Medical College of Virginia in 1996 and was ranked in the top of her class. She went on to receive advanced dental training through East Carolina University's program at Pitt County Memorial Hospital in Greenville, North Carolina. While in this program Dr. Zier received extensive training in advanced diagnostic, restorative and surgical techniques. She completed this general practice residency program in 1997 and moved to Northern Virginia.

Dr. Zier has practiced in Burke and Fairfax for the last 15 years and was a founding partner of Smiles at Fairfax Corner. She has recently joined the team here at Hayfield Dental Care. Dr. Zier brings a wealth of experience and knowledge to this practice and we are fortunate to be joined by such a skilled clinician. She has performed thousands of restorative, cosmetic and surgical procedures and is well known to be meticulous and thorough in her work. In fact, she has even performed treatment on Dr. Brown. She is also an Invisalign® Preferred Provider. Her professional memberships include the Academy of General Dentistry and the Northern Virginia Dental Society.

Dr. Zier grew up in Chesapeake, Virginia and attended Virginia Tech where she received her undergraduate degree in Biology. She currently resides in Potomac, Maryland and enjoys karate, hiking and being outdoors in her spare time.

Hayfield Dental Care

  • Hayfield Dental Care - 7574 Telegraph Rd., Alexandria, VA 22315 Phone: 703-971-2220

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