Kimberly Simonds, DDS

Dr. Kim started working in our office as a part-time dental assistant during high school. She enjoyed it so much that she decided to become a dentist. She received her undergrad at the University of Kansas and then earned her doctorate from the University of Missouri-Kansas City Dental School in 1998. After dental school, she practiced for three years with the Public Health Service treating the needs of under-served children in the Quincy, Illinois area.

In 2001, Dr. Simonds joined the staff at Ballwin Dental Care, the practice she now owns. She has participated in the Greater St. Louis Dental Society’s New Dentist Committee and is currently a member of the American Dental Association, the Academy of General Dentists, the International Academy of Facial Aesthetics, and the St. Louis Dental Society. Dr. Simonds has been repeatedly voted a “Top Dentist” by St. Louis Magazine.

Danny Gennaoui, DMD

Dr. Dan joined our practice in August 2012. He received his Bachelor of Science in biology from Providence College in Providence, Rhode Island. Afterwards, he participated in cell and molecular genetic research at Boston University. Dr. Dan received his DMD from Boston University School of Dental Medicine, where he excelled, graduating with honors. Following graduation, Dr. Gennaoui worked with an advanced general dentistry program at Lutheran Medical Center in Brooklyn, New York, where he provided comprehensive care to the community.

When not practicing dentistry, Dr. Dan loves to play basketball and tennis, watch sports of all kinds (rooting for any and all Boston teams), and spend time with his wife, children, and friends.

John McCarthy, DDS

Dr. McCarthy joined our practice in June of 2018. Dr. John is a St. Louis native who attended DeSmet High School and went on to graduate from the University of Missouri with a degree in Biology. Like Dr. Simonds, he did his graduate work at the University of Missouri Kansas City School of Dentistry. Following graduation from UMKC, Dr. John completed his residency at Oklahoma University, where he focused on surgical implants and dentures.

Being a Missouri grad, Dr. John is an avid Mizzou fan as well as all St. Louis sports.  He also enjoys : running, golf, basketball and hiking with is dog Patch.



Meet Our Team

Jeannie, Office Manager

Jeannie is our office manager and back bone of the practice. She graduated from dental assisting school over 37 years ago and has been with Ballwin Dental Care ever since. Jeannie epitomizes efficiency and she is the glue that holds the practice together. When she isn’t helping our patients, she loves to travel and enjoys spending time with her wonderful husband, Bill. She also enjoys spending time with her children and three grandsons.




Sharon, Front Desk Coordinator

Sharon is our front desk coordinator with over 30 years’ experience in dentistry—and over 18 with our office—she personifies customer service. Sharon’s number one priority is to make all of our patients feel as if they are at home. She and her husband enjoy boating and entertaining their friends and family. Sharon’s favorite activity, however, is spending time with her grandchildren.





Angie, Front  Desk Team Leader

Angie comes to us from the non-dental business world. She has a strong background in customer service and brings a fresh set of eyes and ideas to the practice. When not working, Angie enjoys camping and canoeing, and she also volunteers with a group the feeds the homeless in downtown St. Louis. She is also an avid Cardinal fan. She has a son at Mizzou, so she also follows the Missouri Tigers. Angie’s daughter lives in Virginia with her husband and is currently in medical school, studying to become a doctor.



Emma, Front Desk & Insurance Coordinator


Emma joined our practice in March of 2016 and made an immediate impact. She possesses excellent people and phone skills, as well as a keen understanding of insurance companies and to get the most for our patients. Emma also possesses a great understanding of the patient’s treatment plans and tailors them to fit the patient’s schedule. Her attention to detail and willingness to take on new challenges, as well as being a true team player, allowed her to assimilate to our standard of excellence.



Kathy, Front Desk

Kathy joined our team in 2016 bringing with her over 10 years experience in the field of dentistry. When she’s not in the office, she enjoys spending time with her 4 children and her grandson. She is an avid reader, enjoys camping & hiking and she loves to cook! Also, it’s hard for her to pass up a yard sale.




Our Hygiene Team

We have five highly experienced hygienists at Ballwin Dental Care who will help you understand how to achieve a healthy mouth, why it’s important, and how it relates to your general health. Continuing education is very important to our office, and especially our hygienists, so much so that they all exceed the requirements of the state of Missouri for maintaining their licenses. They will provide you with a gentle but thorough cleaning and teach you how to be a partner in your own health.


Tammy is our hygiene team leader. She has been a hygienist for almost 40 years, and with Ballwin Dental Care for almost 25. Prior to becoming a hygienist, Tammy was a dental assistant and receptionist. She volunteers with the nonprofit Give Kids a Smile organization, providing dentistry for under-served children in the area. When not working, Tammy and her husband enjoy taking road trips with their convertible club, traveling, and spending time with their dogs.




Debbie graduated in 2000 from Forest Park Community College with a degree in dental hygiene. In addition to working in general dentistry, Debbie has experience working in a periodontal office (which specializes in treatment of gum disease). She has been with Ballwin Dental Care for almost five years and when not working, she spends her time with her husband and two boys (which occupy 100% of her free time). She loves biking, hiking, going to the lake – basically anything outdoors – and she loves to bake.




Kellee joined Ballwin Dental Care in February of 2016. She graduated with honors from hygiene school in 2006 and brings over 10 years of experience to our practice. Kellee has an excellent chair-side manner which compliments her skill as a hygienist<.When she’s not working, she enjoys spending time with her husband of 10 years and their 5 year old daughter. Kellee and her husband  adopted another child in 2017. Trips to the Zoo and Grants Farm, as well as picnics on a beautiful day, are some of the ways she and her family enjoy the outdoors. In her “me” time, Kellee does cross-fit training for fun. She also enjoys an occasional “Lazy day at home.”




Adrien had worked part time for our office for 2 years, but joined us full time in 2017. She was born and raised in Oklahoma City; graduating from the University of Oklahoma in 2010 with a Bachelor’s degree in Dental Hygiene. Adrien has practiced dentistry in Oklahoma, New Mexico, Illinois and now in Ballwin. She lives in Kirkwood and enjoys spending time with her husband and 2 young daughters. In her “spare” time, Adrien enjoys exercising, home DIY projects and traveling.



Our Dental Assistants

Our dental assistants, with team leader Katrina leading the way, provide you with the very best in personal care and attention. Our practice motto is, “We are genuinely concerned about the comfort and dental health of our patients”, and our assistants strive to exceed our patients’ expectations on every visit. As team leader, Katrina ensures that her team is courteous and up to speed with all of the latest dental techniques and procedures so they can do an excellent job when assisting our doctors.

Katrina – Team Leader 

Katrina has been a chair-side assistant and treatment coordinator for over 17 years, graduating from the AL Med Academy, in 1999 with a degree in Dental Assisting . She always makes sure that her patients feel welcome and comfortable. She instills confidence in her patients by thoroughly explaining what the doctor is doing and why. Katrina is an avid runner, and when she’s not running, she is spending time with her husband and taking her daughter to dance competitions.



Amanda brings her pleasant demeanor and extraordinary customer service skills to the practice. She graduated from Missouri College in 2014 wit h a degree in Dental Assisting.  Amanda possesses a great chair-side manner and her dental assisting skills are second to none. When not working, Amanda, enjoys spending time with family & friends, playing softball, working out and running. She loves hockey and going to the beach.