Dental Staff

All our professionals at Gregory C. Frimel, DDS maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Gregory Frimel D.D.S.

Dr. Frimel attended Missouri State University as an undergraduate, then continued studies at the University of Missouri-Kansas City for his D.D.S. (Doctor of Dental Surgery) degree.

Dr. Frimel has served as President of the Dental Health Theatre, President of the West District Dental Society, President of the Pankey Study Club, Director for the Greater St. Louis Dental Society and has been on the Board of Directors for the Greater St. Louis Dental Society. He is also an active member of the American Dental Association, the Missouri Dental Association, the American Equilibration Society and the Greater St. Louis Dental Society. Dr. Frimel is also a member of the International College of Dentists, serving as Deputy Regent for the state of Missouri. Since 2008 he has worked as a dentist on annual mission trips to Honduras with Washington overseas missions.  He has also participated in Give Kids A Smile, Mission of Mercy and Donated Dental Services programs. He is an active member of his church and has served as a church elder, treasurer and on numerous committees.


Barb Hanch

I have been working as a hygienist for 27 years.
I have been with Dr. Frimel full time since July of 2002. I am married and have two children. In my spare time I enjoy sewing and crafting.


Danette Walker

I started working in dentistry for Dr. Frimel as a dental assistant in August of 1986. I graduated from the dental assisting program at Mineral Area College in Flat River, MO. In my spare time I enjoy spending time with my daughter, family and friends.


Karen M Sullivan RDH

One of my first jobs was as an extra pair of hands to help around a dental office. I went to college for dental hygiene at Forest Park Community College and graduated in 1994. I enjoy getting to know patients and giving them tips about their homecare they may not have heard before. I am married with 3 children. Brendan-19, plays football at Lindenwood University, Sydney-18, is an artist and will be attending Kansas City Art Institute and Connor- a 6th grader who loves to play video games. My husband is in home mortgage business at US Bank. We reside in Saint Petes, MO where i enjoy gardening, crafting and walking my sweet little dog Toby.