We recognize that all our patients are unique and deserve to receive orthodontic care that reflects their individual needs. Our experienced and talented team is committed to working with you and your family to create a comfortable, stress-free, and rewarding orthodontic experience every time you visit our practice.

We are pleased to welcome you and your family, and we look forward to working with you.


“Practicing orthodontics provides me with an opportunity to combine science, technology, and art—three things I am very passionate about—in order to treat my patients and give them a lifelong, beautiful smile. I truly love my profession; being an orthodontist is extremely gratifying, especially when I get to watch as my patients achieve a healthy bite, beautiful smile, and improved self-confidence.” — Dr. Duan


Dr. Duan’s background in research and science, along with her specialty training and years of experience, enable her to create a unique treatment plan for each of her patients. She achieves great outcomes, whether working with early corrective treatment, conventional braces, or Invisalign®.

  • Specialty certificate of orthodontics and dentofacial orthopedicsBoston University School of Dental Medicine
  • Doctorate of Dental Medicine (DMD) – Boston University School of Dental Medicine
  • Master of Science (MSc.) in genetics and molecular biology – University of Central Florida
  • Bachelor of Science (BS) in biology – Canton Normal University, Canton, 1985

Dr. Duan strives to continue growing and learning throughout her life. She and her staff appreciate each patient’s sharing of their unique insights, experiences, and successes. Dr. Duan regularly attends continuing education courses, and is a member of several local, national, and international professional associations, including:


Dr. Duan was born and raised in Canton, China, and has resided in Seattle since 2000 with her husband and sons. She enjoys traveling, reading, cooking, and outdoor activities, especially hiking, skiing, and playing soccer.


Treatment and Financial Coordinator

In charge of the business aspect of your care, William will greet you warmly when you call us, and provide you with the most up to date information on your treatment plan. William is a Seattle native–there’s no place like the Pacific Northwest! His hobbies include thrifting, Dungeons & Dragons, and practicing his Mandarin skills.


Clinical Coordinator & Orthodontic Clinician

Born and raised in Monroe, WA, Victor has lived in North Seattle since 2015. He’s friendly, confident, and a skilled clinician.
Victor enjoys travelling and the arts. He feels at home salsa dancing as well as playing the guitar with his vintage jazz band Silk Road Swing.


Chairside Assistant/Laboratory Technician

Lucy was born in Jiangxi, China, but has lived in Seattle her whole life. Helping patients and their smiles, she enjoys working with Dr. Duan and her team through assisting in clerical duties, patient care, and lab work.
In her free time, Lucy loves to explore a variety of cuisines at local restaurants a with her friends.


Chairside Assistant

Teri’s role is to assist Dr. Duan with patient care, in addition to helping with lab work and purchasing. She loves being a part of creating excellent smiles for patients, and consistently strives for excellence in caring for patients. Teri appreciates Dr. Duan’s detail-oriented nature and dedication to spending the time necessary to create beautiful smiles.

Teri lives in a small community that she loves across the water. Her kids keep her very busy with fun activities. They especially love to camp, hike, and spend time outdoors!