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
Have had wonderful care with Dr Lasher over a span of 20+ yrs
Pamela T.
The staff are very friendly and you don’t wait long for your appointment.
Beverly J.
I wasn’t scheduled for an appointment but was overdue. I was there with my mother who had an appt. so she checked to see if any were available and there was. I was seen right away and received […]
Dillon C.
The office staff members were very pleasant, and sensitive to my needs. Everyone was so professional and friendly. I appreciate how my appointment was set according to my schedule. Dr. Berry was very […]
Leslie S.
All around excellent
Jesse M.
Dr. Lasher makes you feel very comfortable
Teresa S.
Dr. Lasher never leaves you hanging if you walk in with an emergent problem in the mouth… Plus they work saturdays also.
Paul N.
I LOVE Dr. Lasher. I live in Old Town Alexandria and drive to Waldorf because I get the BEST care from him and his staff.
Donna H.
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
every thing in this office is professional they explain what they are going to do and take the time to care
Lisa G.
I’ve been going to this dental office for over 30 years and I wouldn’t go anywhere else
Wanda D.
Great experience
John C.
effective care, skilled staffL polite and professional!
Tim M.
Donna is wonderful, and Dr. Lasher a trusted friendly professional
Teresa W.
I found Dr. Dwight Berry and his assistant very professional, and quite attentive to my welfare and concerns. The atmosphere they set makes me feel so comfortable, I am no longer anxious to visit the […]
Ida H.
Always a great experience.
Demetria H.
Great staff! Had the best and most thorough cleaning I’ve ever had.
Andrea W.
Always professional, friendly and knowledgeable. Never had to wait for long periods of time.
Michele H.
Dr. Lasher was great !
Catherine R.
I’ve been going there many years and am pleased with my visit and service.
Mark H.
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

1 Saturday per 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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