Meet Our Doctors

Dr. Soper at Advanced Orthodontics in Mercer Island, WA

Dr. Barton Soper

Dr. Soper loves working with children and adults, creating beautiful smiles that give each individual a lifetime of confidence. He truly loves the joy in peoples’ eyes when they first see their finished smile and the confidence they show when they walk out the door to meet their friends and colleagues. His professional peers have recognized his level of excellence by nominating him numerous times to Seattle Magazine and Seattle Metropolitan Magazine as an outstanding orthodontist. Dr. Soper shares his knowledge with his students in both the undergraduate and graduate programs for which he is a professor at the University of Washington School of Dentistry…

Dr. McCulloch at Advanced Orthodontics in Mercer Island, WA

Dr. Kara McCulloch

Dr. McCulloch has extensive experience as an orthodontist in private practice, and works collaboratively with many dentists and dental specialists to ensure that you receive the finest, most advanced orthodontic health outcome whether you choose braces or Invisalign.

Dr. Todd Steinhart

Dr. Steinhart has now been practicing for over 17 years, first in Manhattan and most recently in Sammamish. He brings a wealth of experience to the practice and is an expert in Invisalign.  He has been looking for an opportunity on Mercer Island for several years and has been hand-selected to join our amazing practice.