Meet the Team

This amazing staff has worked together anywhere from five to 38 years! In fact, some of our staff members watched Dr. Bill Lange grow up in this office and become an orthodontist.

All team members are certified in CPR, first aid, HIPAA compliance, and OSHA. All of our clinical assistants, financial coordinators, and practice managers have their radiography licenses and they participate in continuing education to maintain these licenses.

Tracy Hammer

Office Manager

Tracy has worked with Dr. Lange for 24 years. Over the years, she has become an expert in overseeing the day-to-day operations of the office and coordinating all communications with referring doctors and surgeons. Tracy and her husband met while attending OSU and have been married for 36 years. They raised two wonderful sons who are both married, have three adorable grandchildren, and two schnoodle dogs, Jack and Bree. Tracy loves to play golf, cook, read, and travel. In the summer, she spends as much time as possible at her vacation home on Norris Lake in Tennessee.

Kim Daniels

Financial Coordinator

Kim has worked for Dr. Lange for 16 years. She worked in the clinic as an assistant for 12 years before moving into the financial office. In her free time, she enjoys spending time with her family, two dogs, and one cat. She volunteers at Matthew 25 Ministries when time allows. She is an avid Tennessee fan.

Monica Hassert

New Patient Coordinator

Monica has worked here for more than 15 years. She attended a technical school for dental assisting and trained under an orthodontist to become an orthodontic clinician. In her free time, she enjoys spending time with her husband and two children. Her two school-aged children keep her busy driving to and from sports and school events.

Crissy Turner

Social Media

Crissy has worked with Dr. Lange since 2015. She started out as an orthodontic assistant and is now our social media coordinator. While she doesn’t work in the office, Crissy loves seeing our patients’ photos and posting all the fun things we do in the office. Crissy has been married for 11 years and has three amazing children, as well as two dogs. She and her husband homeschool their kids and enjoy doing mission work in Honduras through their nonprofit!

Lauren L.

Front Desk Reception

Lauren can be found at the front office, where she schedules appointments, manages the phones, and organizes and distributes charts. In addition to helping the office run smoothly, Lauren loves being able to interact with others, make people feel welcome, and help in any way that she can. Lauren was born and raised in Cincinnati and returned home a few years ago after living out west for a while. Though she loved living in the mountains, her family ties beckoned her back. She is a dog mom who loves to travel, write, collect vinyl, hike, and read. She’s also a huge fan of coffee!

Our Clinical Assistants

Our clinical assistants work alongside Dr. Lange during all orthodontic procedures to ensure a smooth and comfortable time for our patients.

Samantha Plavsic

“Sam” has worked with Dr. Lange since 2010, right after she graduated from Ross Institute of Medical and Dental Technology. She works hard to foster relationships with patients and loves seeing the change in their smiles and the confidence that comes with it. Sam and her husband Paul enjoy raising their three children together, as well as their dog, Rudy. Her time generally consists of being busy with her children, but in her free time, she enjoys being involved with her local church and reading.

Kim Langdon

Kim has worked with Dr. Lange since 2014, and has more than 16 years of experience in orthodontics. She enjoys the personal connections she builds with patients and the great relationships she’s developed with everyone on our team. In her free time, she enjoys spending time with her husband and their two dogs. They love everything Bengals and OSU!

Connie Helmers

Connie has worked for Dr. Lange for a total of eight years. Connie fills in as our lab tech when needed. She enjoys spending time with her family and her grandson. In her free time, she bakes, does crafts, and boats.


Gracee graduated from North Dakota State College of Science as a Registered Dental Assistant in 2020. Her favorite thing about working at Lange Orthodontics is helping patients feel more confident in their smile. Gracee splits her time between Cincinnati and North Dakota, where her fiancé is. She enjoys watching football and other sporting events, going to the lake, and traveling.


Lily graduated from ADAPT Dental Academy in 2023 and is excited to be a new member of the Lange Orthodontics team. She enjoys seeing patients’ reaction to their new smiles and working in such a fun work environment. Passionate about horses, Lily is a competitive barrel racer and travels almost every weekend to different rodeos and competitions. She also teaches horseback riding lessons to all ages!


Morgan went to school at Fortis College for dental assisting and graduated with her associate degree as a dental assistant. While she adores our fun work environment, Morgan appreciates the long-term relationships she builds with her patients most of all. Morgan has two young children with her husband of 12 years, as well as three cats and a Great Dane. She loves spending her free time with family and friends.

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