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

Our Team

Waldorf Dentists

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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Dorie Eger, DDS, MS

Orthodontist

Dr. Dorie Eger is an Orthodontist offering braces to our patients. She is uniquely trained as a specialist in both Periodontics and Orthodontics. She earned her Doctor of Dental Surgery degree from the University of Maryland Baltimore College of Dental Surgery in 1995, graduating first in her class. Continuing her studies at the Baltimore College of Dental Surgery, she completed […]

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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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Read What Our Patients Say
Patient Reviews
Quality care and friendly people.
Louis R.
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.
effective care, skilled staffL polite and professional!
Tim M.
Treatment n customer service
Monee K.
I was pleased to have Dr. Lasher since Dr. Cho is no longer with the practice. My hygeneist was fantastic!!!!
Polly C.
Love my hygienist Donna!!!!
Antoinette F.
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.
Friendly, great work and ensured my comfort the entire visit.
Donieshia T.
This is the best office I have ever been to. Been going to Dr. LAsher for 25 yrs.
Melanie S.
Overall excellent experience!
Alfonso C.
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.
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.
Great staff, Great doctor, comfortable surroundings.
Barbara R.
Very courteous staff. Always feel welcomed.
Kenny W.
My hygienist, Cory is second to none!! She is extremely thorough, knowledgeable, and gentle. Our family loves her!!
Reynal A.
Staff attentiveness
Theresa D.
I enjoy seeing the same hygienist, and everyone is friendly.
Christine H.
Everyone is friendly, cheerful, professional and on time.
Nancy E.
Great peoples
Eva W.
Got right in with a dental emergency! Fast temp fix to last until I can have a crown installed.
Raymond C.
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
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 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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