My 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.


Karen Librach Front Desk

I have been working in the dental field for over 20 years. What I enjoy most is interacting with patients and building personal relationships. In my off time I enjoy reading, walking outdoors and going to the theater.

Lea McCarthy RDH

I am a registered Dental Hygienist and graduate of STLCC/Forest Park dental hygiene program. My skill perfection set started on chrome wheels and acrylic nails as a manicurist. I am married with with two children and 2 bonus daughters. I love MBA and tennis. (I used to run around on the court). Yoga and pilates are now more my speed. I am originally from southern California but is happy St. Louis is now my home.

Peggy Holthaus Dental Assistant

I have been in the dental field as a dental assistant and/or receptionist for over 35 years. I am married and have three boys, three lovely daughters-in-law and six grandchildren. While I have had many hobbies over the years, at this time my focus is around the grandkids.

Missy Kendle RDH

I have been in the dental field and graduated from STLCC-Forest Park for dental hygiene school. My interests include date night with my hubby of four years, kayaking and playing board games with family and friends.


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Contact Us

Office Hours


8:00 am - 6:00 pm


9:00 am - 6:00 pm


8:00 am - 12:00 pm


7:00 am - 1:00 pm


9:00 am - 1:00 pm

Saturday, Sunday: