About Your Dentist

Hillary Mashak Johnson, DMD

"Only brush the teeth you want to keep!" -Dr. Seuss

My Mission

“To provide the highest quality of dental care with empathy and honesty. To educate my patients and improve the oral health of my community.”


University of Missouri - Kansas City School of Dentistry – Kansas City, MOAdvanced Education in General Dentistry

Midwestern University College of Dental Medicine – Downers Grove, ILDoctorate of Dental Medicine

Winona State University – Winona, MNBachelor of Science

Continuing Education & Professional Memberships

Dr. Mashak Johnson is a member of the Academy of General Dentistry and holds an Advanced Education in General Dentistry Certificate. She is also a Certified Invisalign Provider.

Life & Hobbies

Dr. Mashak Johnson grew up in Westby, Wisconsin and attended undergraduate school in Winona, Minnesota where she met her husband, Evan. After graduating, she worked as a phlebotomist and a dental assistant before pursuing her dental degree. She attended dental school in Downers Grove, Illinois and went on to complete Advanced Training in General Dentistry in Kansas City, Missouri.

Dr. Mashak Johnson and her husband decided to relocate to Minnesota after completing their degrees.  Now, when they aren’t working, they can usually be found exploring the suburbs of Minneapolis and discovering everything that their new home has to offer. Dr. Mashak Johnson and her husband enjoy fitness, cooking, and exploring microbreweries and wineries together.