
Dr. Brett Mehringer, DC
Dr. Brett Mehringer did his undergraduate studies at Indiana State University and completed his Doctorate of Chiropractic from Logan University, St. Louis in 2002. He has over 17 years of experience and has operated his Washington office since 2003. He's a true expert in his field and very committed to helping all generations live happier and healthier. With his drive and enthusiasm, you will always know that you are the most important person in the room. His commitment to his patients, their families, and our community shows his caring heart for helping people live a lifestyle of wellness. Dr. Brett values giving back to others, from trips with Veterans, supporting our law enforcement teams, local charities and our schools to list a few. Dr. Brett is also a proud member of the Missouri State Chiropractic Association.
Dr. Brett lives in Washington with his two daughters, Olivia and Ellie, and his dog Lucy. He enjoys running marathons, music, traveling and spending time with his family.

Dr. Brant Riegel, DC
Dr. Brant Riegel joined the practice in November 2019. He graduated from Eastern Illinois University in 2009 with a Bachelor’s degree in Biology. He obtained his Doctorate of Chiropractic from Logan University in 2013 and has practiced in Illinois for five years before returning to Missouri. Dr. Riegel is excited to be back in the St. Louis area and is happy to have joined the Mehringer Chiropractic team.
Dr. Riegel is certified in Webster technique that helps pregnant mothers, and is working towards his diplomate in Chiropractic Pediatrics. In addition to Webster, he is specializes in Diversified, Thompson, Activator, Logan Basic, Graston, and Flexion Distraction. Dr. Riegel takes pride in being a chiropractor and having the opportunity to improve the quality of life of his patients.
Dr. Riegel and his wife, Daniela, have two children, Isabela and Trent. In his free time, Dr. Riegel enjoys spending time with family and friends. Dr. Riegel loves watching movies in the drive-in theater, traveling, playing board games, and telling silly dad-jokes.