Drs. Lasher and Harriman at Dental One Associates of Waldorf
3500 Old Washington Road, Suite 301, Waldorf, MD 20602

Besi Tong, DMD, MSD  Orthodontist

Annapolis_Frederick_Westminster Besi Tong DMD MSD 8x10

Dr. Tong grew up in the Northern Virginia area and completed his undergraduate studies at the University of Virginia where he earned his Bachelor’s degree in Biology. He then moved to Philadelphia, PA to attend Temple University Maurice H. Kornberg School of Dentistry where we was inducted into the Omicron Kappa Upsilon National Dental Society and graduated summa cum laude with his Doctor of Dental Medicine degree. Dr. Tong continued his dental education, earning his certificate in Orthodontics and Master of Science in Dentistry degree, from the University of Colorado School of Dental Medicine.

Dr. Tong loves serving the community. He has volunteered his time to both Give Kids A Smile Day and Mission of Mercy – providing free dental care for the underserved population.

Read What Our Patients Say
Patient Reviews
Always having a great experience here.
Demetria H.
Excellent care, friendly staff consistently over the many years I’ve been coming there. I have recommended more than a few and they feel the same.
Linda B.
Donna is excellent, upbeat, friendly and informative!
Naomi C.
I have been with Robin and Dr. Lasher forever. They are awesome. All of the team is great.
Mary R.
I like the staff and professional services they provide.
Katherine H.
I have been a client/ patient here for nearly 20 years. Very friendly dentist and staff!
Robert T.
My entire family has visited your office over the years. Without question or concern, the entire staff has always treated us with dignity, respect, and seen to our individual treatments in a timely […]
Michael R.
Timely, efficient, pleasant and painless
Michael G.
Donna is one of the best hygienist around and always takes the time she needs to make sure everything is wonderful with my teeth! Doctor Harriman is wonderful and always goes out of her way for me […]
Karen P.
reliable, available, expert, caring, gentle
Kyle O.
The overall dental office atmosphere was outstanding. The dental hygienist was very knowledgeable and excellent job on all levels from each staff and Dr. Harriman.
Faith S.
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
Love the staff in particular Pierre and Dr. Berry.
Hilton D.
Dr. Lasher is the best dentist! The dental assistant and front desk person were great as well!
Lauren M.
Great dental care and customer service.
Dianna A.
Great peoples
Eva W.
Good service.
John S.
Dr. Lasher and his team quickly evaluated my painful problem and now I am on the mend. Nice, professional and clean. This was my very first visit and I am extremely satisfied with the results. Thank […]
Lois
Dr. Lasher id the best. The hygienists are great too.
Lauren M.
Today it was Donna and Dr Mike; however, the entire team is superb. Donna gets the nod for this visit for an outstanding cleaning. Thorough and comfortable is a great combination for a cleaning, and […]
Louis R.
Office Hours
Mon. – 9:00 AM - 5:00 PM
Tue. – 9:00 AM - 6:00 PM
Wed. – 8:00 AM - 6:00 PM
Thu. – 8:00 AM - 5:00 PM
Fri. – 8:00 AM - 2:00 PM
Sat. – 8:30 AM - 2:00 PM
Sun. – Closed

2 Saturdays a month

Phone: (301) 861-0665
Fax: (301) 843-4070
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We accept most insurance plans and will be happy to help you understand the coverage that you have. We will do our best to see that you receive your maximum insurance benefits for all covered services.

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For appointments, call us at: (301) 861-0665 or
Request an Appointment
For appointments, call: (301) 861-0665
Office Hours
  • Monday 9:00 AM - 5:00 PM
  • Tuesday 9:00 AM - 6:00 PM
  • Wednesday 8:00 AM - 6:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 2:00 PM
  • Saturday 8:30 AM - 2:00 PM
  • Sunday Closed
Get in touch:
  • Phone: (301) 861-0665
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