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
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
Dr. Harriman is the consummate professional:concerned about her patient, thorough and explains what is going on.
John K.
I have been with Robin and Dr. Lasher forever. They are awesome. All of the team is great.
Mary R.
Great people providing outstanding service.
Louis R.
The dental care was efficient and I felt relaxed in the environment.
Nona G.
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.
Dr. Harriman and Donna my hygienist are great. They have cared for my teeth for over 14 years and I highly recommend them. They are professional, kind and thorough.
Dennis W.
Great experience
John C.
The staff is so friendly and Dr. Berry is spot on the best dentist I have ever had. We are a military family and I have to change dentists every 2-3 years. There are so many to choose from, however I […]
Trayce G.
Great staff, Great doctor, comfortable surroundings.
Barbara R.
Donna was outstanding !! Great conversation and care !
William S.
All around good experience
William E.
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.
Dr. Berry is great and all of the office staff
Danny J.
Treatment n customer service
Monee K.
The doctors and techs are amazing and very professional. I have anxiety about procedures they make me very comfortable.
Edmonia W.
I love robin and Dr. Mike. They have taken care of me for years. They both are very professional and truly caring individuals. If there are any problems, they explain it to you so that you can […]
Susan B.
Awesome staff
Barbra J.
There was no wait time. My hygienist, Donna was awesome.
Wanda Q.
Dr. Lasher was great !
Catherine 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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