Shelley Health Center

Our doctors at Shelley Health Center specialize in patient care instead of high pressure sales.  Our team is dedicated to providing personalized care for patients of all ages.  We utilize a combination of chiropractic, dry needling, physical therapy, infrared sauna sessions, and more.  Come see how our expertise and compassion can help you achieve better health!

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Our Services

Meet The Staff

Jessica Shelley Riedisser, BS, DC, MDNC

Dr. Jessica Riedisser (formerly Shelley) is a 2002 graduate of Cleveland Chiropractic University of Kansas City.  Practicing in O’Fallon, Missouri since 2003, Dr. Riedisser specializes in several different chiropractic techniques including Full Spine Specific, Diversified, Activator, and Thompson.  Dr. Riedisser also has her Masters in Dry Needling and is a TPI Certified Physician.  She specializes in patients of all ages and all levels of fitness.  Outside of work, Dr. Riedisser enjoys spending time with her husband, her boys, and her dogs.  She enjoys being active outdoors as much as possible (hiking, cycling, anything on the lake) and traveling.

Michelle Dunajcik, BS, DC

Dr. Michelle Dunajcik (Dr. D) is a 2003 graduate of Cleveland Chiropractic University of Kansas City.  She and Dr. Riedisser studied the same techniques together, allowing Dr. Dunajcik to also provide a wide range of treatments to patients of all ages (including Full Spine Specific, Diversified, Activator, Thompson, and SOT).  Dr. Dunajcik is also pediatric and maternity certified, including Webster Technique, from the ICPA.  A mother of 3 boys, Dr. Dunajcik and her husband are active in many things, with a passion for the Boy Scouts of America.

Heather Murray, Office Manager

Heather has been working at Shelley Health Center since 2017. She has been working in the healthcare industry for over 20 years, specializing in patient care and business services. She and her husband Mike have been married since 2003 and they have 4 wonderful sons. Her free time is mostly spent being a “Sports Mom”. She loves going to Cardinals games and trips to Disneyland & Disney World with her family.

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Email Us

Call/Text Us

(636) 240-8989           


(636) 240-6889


1159 Bryan Road
O’Fallon, Missouri 63366

Shelley Health Center

Walk In Hours

This week we are by appointment only (no walk-ins).  Sorry for the inconvenience!

Text or call for an appointment: 636-240-8989.

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