Team Members

Carrie Halbert

Office Manager

Carrie Halbert is our Office Manager and Insurance Coordinator, she has been with Marysville Dental Care since 2014.  Carrie has 20+ years experience from an insurance background both from the dental and medical fields. She brings experience from working at Blue Cross Blue Shield, United Healthcare and with an Oral Surgeon in Springfield, MO. Carrie is married and has 2 children. They moved to Marysville from Springfield, MO in 2013. In her spare time, Carrie enjoys reading and watching her kids play in their various sports.

Diane Ronnebaum

New Patient/Treatment Plan Coordinator

Diane has been with Marysville Dental Care for 30 years. She worked as a dental assistant for 15 years, then moved to the front office to focus on new patients and treatment coordinating. She graduated from Flint Hills Area Tech as a CDA. For several years she worked as a surgical assistant in an oral surgery office in Topeka. Diane has also attended many continuing education courses in tmd screening, and sleep apnea. She is married and has three children. She enjoys the outdoors, reading, and spending time with family. 

Sarah Pacha

Chair Side Assistant

Sarah Pacha is one of our chair side assistants, she started with Marysville Dental Care in 2013. She and husband, Cody, have a daughter and a son, Skylar and Aden. Sarah enjoys shooting archery for Impulse Archery in Marysville, Ks. Her and Cody participate in competition shooting. She also loves spending time with her kids, and attending their activities. 

Haley Nincehelser

Dental Assistant

Haley Nincehelser joined our team in 2017. Originally from a nursing background Haley took to dentistry quite quickly. She is originally from Derby, Ks. Haley and her husband, Ryan have a son and daughter, Bennett and Brynnly. She enjoys living on the farm and helping her husband raise cattle. They also enjoy attending church and church activities at Marysville Christian Fellowship.

Hannah Seagren

Expanded Functions Assistant

Hannah Jackson joined the practice 2 years ago. She has been in the field of dentistry since 2013. Hannah is an expanded functions assistant, and able to help Dr.Brittany in many new and exciting ways! Hannah and her husband Matt enjoy spending time with family, traveling, and being outdoors with their two dogs Bailey and Hazel.

Tana Baxter

Chair Side Assistant

Tana was born and raised in Mayetta, KS and has been a chairside assistant for 6 years. Her favorite part about dentistry is showing patients that not all dental experiences are bad and ensuring they have the best visit yet! She enjoys fishing, gardening, and playing fetch with her dog Beau.


Mallory Eis

Mallory is our newest team member! She graduated from Southeast Community College in Lincoln from the Dental Assisting program in 2019. She’s been a dental assistant a little over a year now, and grew up in Waverly Nebraska. Mallory’s favorite part about dentistry is getting to know the patients, making sure they are comfortable, and that they have a great experience! She enjoys spending time with her family and friends, and going to the lake. She loves helping her boyfriend on the farm where she recently moved to just outside of Wymore, NE. We’re so excited to have you with us Mallory!