About Us

J. Keller Vernon, DDS

Curriculum Vitae:

  • University of Mary Washington 1980-1984
  • Medical College of Virginia, School of Dentistry 1985-1989
  • Private Practice, Midlothian, Virginia 1989-1990
  • Private Practice, Petersburg, Virginia 1990-1996
  • Private Practice, Colonial Heights, Virginia 1996-present
  • Member-American Dental Association
  • Member-Virginia Dental Association
  • Member-Southside Dental Society

We are dedicated to providing our patients with the finest state-of-the-art dental treatment available while focusing on delivering it with honest caring and compassion. Our providers are unquestionably one of the most talented teams of dental professionals in our area and we take great pride in the fact that our facility is like no other dental office you have ever experienced. Our practice is warm, open and friendly, and we hope you will find it comfortable and inviting as well.


On a personal note, I am happily married to my wonderful husband, Jeff, and we have four handsome sons and one beautiful daughter. We spend our free time trail riding, camping and kayaking. We share our farm in Dinwiddie County with our rescued dogs and cats and our Percherons, Saddlebreds, Quarter Horses and Bethlehem Burrow.


Sumayra M. Mohiuddin, DDS

Dr. Mohiuddin was born and raised in the foothills of North Carolina. She came to Richmond in 2001 to attend Virginia Commonwealth University where she graduated Magna Cum Laude with a B.S. in Biology and minor in Religious Studies. She earned her DDS degree in 2008 from VCU School of Dentistry. Soon after graduation Dr. Mohiuddin moved to Arlington, Virginia and began working in private practice. She was excited to relocate back to her husband’s hometown of Midlothian in 2011 where she continued practicing dentistry and expanded her dental experiences by working extensively with children and in the field of Public Health Dentistry.

Dr. Mohiuddin’s goals as a dentist are to help every patient improve their dental health and be proud of their smile. With a heart for service, she has taken part in several Mission of Mercy projects, providing free dental care to those living in rural parts of Virginia. She is a member of the Academy of General Dentistry, Virginia Dental Association, and Richmond Dental Society.

When not working, Dr. Mohiuddin enjoys spending time with her family, reading, and playing soccer. Her and her husband have 3 kids, two boys and a little girl.
She is thrilled to be joining Dentistry By Design is looking forward to providing quality dental care in a relaxed and comfortable setting.

We look forward to meeting you to discuss your dental concerns and we would love to be your partner in quality lifelong dental care.


Our Office

Be true to your teeth so they Won't be false to you!!

Cosmetic Dentistry
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Meet the Doctors

Dr. Vernon, Dr. Mohiuddin and Dr. Kennedy have been practicing dentistry for decades. During that time, they have upheld their dedication toward providing their patients of all ages with dental care that promotes honesty, caring and compassion. They would each love to be your partner in pursuing a healthier, happier smile!

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Our Location

241 Charles H Dimmock Pkwy Ste. 2
Colonial Heights, Virginia 23834

Office hours
Monday: 7:30am - 4:30pm
Tuesday: 8:00am - 6:00pm
Wednesday: 7:30am - 1:00pm
Thursday: 8:00am - 6:00pm
Friday: 8:00am - 5:00pm

(804) 520-0699