Dr. Nathan Hartman, D.D.S.

Dr. Hartman is a native to Hermann, MO. He has been practicing in the community since June of 2009. He currently resides in Lake St. Louis, MO with his wife, Alana, and five children Maggie, Charlie, Peter, Reed and Henry. He received his degree in Plant Sciences from the University of Missouri-Columbia and his Doctoral of Dental Surgery degree from the University of Missouri-Kansas City School of Dentistry. In his free time, Dr. Hartman loves spending time with his family and being outdoors.

Dr. Hartman strives to constantly broaden the scope of his knowledge and skill set. He is dedicated to remaining on the cutting edge of dental technology and materials. Dr. Hartman is an alumni member of the Dawson Academy and is actively involved in the Spear Institute for advanced dental studies. He is committed to continuous education and is an active member of the American Dental Association, The Greater St. Louis Dental Society, The Missouri Dental Association and the Academy of General Dentistry.


Michelle Schmidt - Office Manager

Michelle has been in the dental field since the age of 18. She has been with Hermann Family Dental since February 14, 2012. Michelle is from Pacific, MO, where she resides with her husband Rob and two children, Robert, 14 and Matilda, 4.

Michelle enjoys spending as much of her free time with her family as possible. She loves working with patients and tries to make them feel comfortable from the minute they walk in the door.


Tracy Pinz - Registered Dental Hygienist

Tracy joined Hermann Family Dental in May of 2015. She graduated in 2002 from St. Louis Community College at Forest Park with a degree in Dental Hygiene. She loves developing long lasting and trusting relationships with her patients. She enjoys exceeding patient's expectations while helping them achieve optimal oral health. Tracy regularly attends continuing education courses to stay current on the newest technology.

Originally from North St. Louis County, Tracy now lives in Lake St. Louis with her husband, Tony, 3 daughters, and 3 fur-babies. In her spare time, she enjoys camping, floating and spending time with friends and family.


Rachael Witthaus - Registered Dental Hygienist

Rachael has been with Hermann Family Dental since February 2011. She graduated from Missouri Southern State university in 2010 with a degree in Dental Hygiene.

Rachael routinely attends continuing education courses and is certified in anesthesia delivery and nitrous oxide administration. She has a keen interest in evaluating, identifying, and treating Periodontal Disease. Her goal is to build a good rapport with each patient, while educating them on their oral health in a comfortable, pressure-free setting.

Rachael was raised in New Haven, MO and now resides in Washington, MO with her husband, Logan. She enjoys spending time with her friends and family at Lake of the Ozarks.


Paula Brewer - Dental Assistant

Paula joined Hermann Family Dental in October of 2007. She received her degree in Dental Assisting from East Central College in 1986. Originally from New Haven, MO, Paula and her family moved to Hermann in 1991.

She enjoys assisting, working with children and learning to utilize new technology to make dental visits more comfortable for paients, as well as some of the administration duties and marketing areas of the practice. Paula and her husband Bill have 2 grown children, Kindra and Nick and 3 Scotties. They enjoy camping, swimming and raising Scottish Terrier Puppies.


Angela Walkenbach - Dental Assistant

Angie has been with the Hermann Family Dental Team since 2009. She received her degree in Dental Assisting from the Kansas City College of Dental and Medical Assistants in 1976. Angie has been assisting since January 1977 and still enjoys her career. She admits that in nearly 40 years of the profession, that dentistry has become a new experience for our patients, thanks to the advanced technology that our office provides. She has helped thousands of patients overcome their dental fears and enjoys cosmetic dentistry and transforming great patient smiles.

Angie is from Burlington Junction, MO and has lived in Hermann since 1982. She and her husband, Tom live on a farm near Hermann, she enjoys the outdoors and they spend their time working on their cow/calf farm, baling hay, and doing yard work. Angie looks forward to deer season, which she takes very seriously. Rosco and Wally are her two Australian Shepards that she takes on daily walks, playing frisbie and swimming in their lake in the summer.