Skip to main content
Mark J. Harrington, DDS



Meet Mark J. Harrington, DDS

Dr. Harrington grew up in St. Louis Park. He began his college career at the University of Minnesota graduating with a Bachelor of Science degree in Business at the Carlson School of Management. Dr. Harrington was accepted into the University of Minnesota Dental School and graduated among the top five in his class. He went on to complete his orthodontic training at the University of Minnesota Dental School.

Dr. Harrington has spent the last 28 years as a solo practitioner in Plymouth, MN. He is a leader in orthodontics, implementing all the latest technologies. He has been creating straight, healthy, beautiful smiles for children, teenagers and adults. His clinic was awarded the Best in Plymouth three years in a row and he has been honored as one of the best orthodontists several times in Mpls. St. Paul Magazine and Minnesota Monthly.

Dr. Harrington is a member of the American Association of Orthodontists and part of the Invisalign study club. He is also on staff at the Children's Hospital in Minneapolis working in the Cleft Palate Clinic in a volunteer capacity.
In his spare time, Dr. Harrington enjoys skiing, bicycling, baking, and he is an avid photographer. He loves spending time in Montana and Wyoming visiting Yellowstone and Grand Teton National Parks.

Dr. Harrington provides experience, knowledge and care with each patient to obtain the best possible result. He looks forward to bringing all of this to Three Rivers team!



My background and qualifications

About certification


Dental School
University of Minnesota School of Dentistry 1985


Residency in Orthodontics
University of Minnesota 1987

Clinic locations

Click on a clinic below for more information, including cost and quality when available.

Clinic name Specialty Accepting new patients?
Three Rivers Orthodontics
2150 3rd Ave Ste 200
Anoka, MN 55303
Orthodontics Yes
Three Rivers Orthodontics
10903 Douglas Dr
Champlin, MN 55316
Orthodontics Yes
Three Rivers Orthodontics
305 Main St
Elk River, MN 55330
Orthodontics Yes

$$$$ = Lowest price
Learn more about our ratings.

Information listed on this page was provided by the clinic or hospital. Licensure and Board Certifications are verified by the health plan. Learn more about how information is validated.

Back to top