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

Our Team

Waldorf Dentists

Besi Tong, DMD, MSD

Orthodontist

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 […]

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Karen Harriman, DDS

General Dentist

Dr. Harriman has been practicing dentistry in Waldorf, Maryland for over 15 years. A native of Ontario, Canada, she received an Honors Bachelors of Science degree from the University of Guelph. She then went on to earn a Doctor of Dental Surgery from New York University in 1994, graduating with honors. Prior to joining Dr. Lasher, Dr. Harriman spent a […]

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Michael Lasher, DDS

General Dentist

Dr. Lasher received a Bachelor of Science degree from the University of Maryland at College Park in Biochemistry. He then went on to earn a Doctor of Dental Surgery degree from the University Of Maryland Baltimore College Of Dental Surgery in 1979. Dr. Lasher received honors in Prosthodontics and a fellowship in Geriatric Care at the Waxner Center in Baltimore […]

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Thomas Lin, DMD, MSc

Periodontist

Dr. Lin received his Doctor of Dental Medicine at Boston University Goldman School of Dental Medicine, Boston, MA, in 2006. He attended the University of Pennsylvania School of Dental Medicine, Philadelphia, PA, earning a Certificate of Advanced Graduate Study in Periodontology in 2009. He earned his Master of Science Degree in Oral Biology at the University of Pennsylvania School of […]

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Amal Al-Fares, DDS

General Dentist

Dr. Al-Fares received a Bachelor of Science degree in Biology, and Communications in 2002 from West Virginia University. She then went on to complete the Doctor of Dental Surgery program at the top of her class with a full scholarship in 2006. She practiced dentistry for eight years in West Virginia and Pennsylvania prior to moving to Maryland five years […]

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Read What Our Patients Say
Patient Reviews
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.
Great staff! Had the best and most thorough cleaning I’ve ever had.
Andrea W.
Office staff, assistants and dentist were all very kind and accommodating.
Christine A.
Great Service.
Paul 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.
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.
great service as usual
Kyle O.
All around good experience
William E.
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
DONNA is the greatest !!!!! She always greets me with a smile, talks me through the entire procedure and as a patient for 35 years there, I have never felt any pain during any of my office visits. […]
Eric D.
I have been a client/ patient here for nearly 20 years. Very friendly dentist and staff!
Robert T.
Awesome staff
Barbra J.
Like Doc Lasher and staff.
Campbell I.
Thirty years of excellent care!
Carol D.
Good service.
John S.
Dr. Lasher id the best. The hygienists are great too.
Lauren M.
Great peoples
Eva W.
Friendly service and efficient service.
Doris F.
Because of the professional and courteous service I receive from all the staff member at Dental One Associates.
Kurt D.
Have had wonderful care with Dr Lasher over a span of 20+ yrs
Pamela T.
Office Hours
Mon. – 9:00 AM - 5:00 PM
Tue. – 9:00 AM - 6:00 PM
Wed. – 8:00 AM - 5:00 PM
Thu. – 8:00 AM - 5:00 PM
Fri. – 8:00 AM - 2:00 PM
Sat. – 8:30 AM - 1:30 PM

Open one Saturday a month

Phone: (301) 861-0665
Fax: (301) 843-4070
Healthcare Financing with
CareCredit
We Accept Most Insurance Plans!
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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.

No Insurance? No Worries! See our discounts and offers here

For appointments, call us at: (301) 861-0665 or
Request 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 - 5:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 2:00 PM
  • Saturday 8:30 AM - 1:30 PM
Get in touch:
  • Phone: (301) 861-0665
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