Dr. Tinsley Image - Seaport Family Dentistry

William S. Tinsley, D.D.S. has been practicing General Dentistry since 1989. Dr. Tinsley also performs dental hospital cases on Friday’s at local hospitals. He has staff privileges at Liberty Hospital and North Kansas City Hospital. He also donates his time to perform dentistry through Dr’s With A Heart Foundation, Hillcrest Ministries, Donated Dental Services and also performs full mouth rehabilitation on the residents of Immacolata Manor.

Interests outside of dentistry include: Music, Traveling in his RV, Hiking, Sports, Fishing, Competing in BBQ contests and spending time with his wife Michelle, and children, Steven, Megan and Andrea. Dr. Tinsley was born and raised in Columbia, MO.


  • Bachelor of Arts in Microbiology
  • Masters of Arts in Molecular Genetics
  • Doctor of Dental Surgery
  • General Practice and Hospital Dental Residency
  • University of Missouri – Columbia 1980
  • University of Missouri – Columbia 1984
  • University of Missouri – Kansas City 1988
  • Barnes and Jewish Hospital – St Louis, MO 1987-1989

Professional Associations:

  • American Dental Association
  • Missouri Dental Association
  • Greater Kansas City Dental Society
  • Academy of General Dentistry
  • American Academy of Cosmetic Dentistry
  • American Academy of Implant Dentistry
  • Dental Organization for Adult and Pediatric Conscious Sedation
  • Adult Cardiac Life Support Trained
  • Pediatric Advanced Life Support Trained