Clayton Staff

Acupuncture, Clayton MO

Dr. Amanda Peiffer

Chiropractic Physician


Doctorate of Chiropractic | Logan University

Masters in Sports Science and Rehabilitation | Logan University

Biology and Human Environmental Science | Missouri University

Internationally Certified | Chiropractic Sports Physician

Certified Acupuncturist


A native of Southeast Missouri, Dr. Amanda Peiffer received a B.S. in Biology and Human Environmental Science with a focus on Nutrition and Fitness from the University of Missouri. While training and competing for the University of Missouri-Columbia Track and Field team, she was introduced to chiropractic and its vast array of benefits. Dr. Peiffer was awarded her Doctorate in Chiropractic from Logan University in 2015. Dr. Peiffer has specialized training from the Bio-freeze Human Performance Center at Logan, a clinic focussing on sport-specific injuries and rehabilitation. During her time at the Bio-freeze Center, Dr. Peiffer completed rotations treating athletes at Lindenwood University, SIU Edwardsville, Missouri Baptist, Mizzou, and many athletic events in the St. Louis area. Dr. Peiffer has received her certificate as an Internationally Certified Chiropractic Sports Physician (ICCSP). Dr. Peiffer is also certified in acupuncture. She educates her patients on the importance of nutrition and living a healthy lifestyle.

chiropractor who takes insurance


Office Manager


Jenn has always had a passion for helping people throughout her education and career. She received her masters in counseling in 2009 and since then has gained professional experience in administrative and marketing roles that have been complimented by her academic background. Jenn grew up in New York City where she created a family with her military husband. They chose to make St Louis their home in 2013. Raising her 3 boys while her husband fulfills his army service has helped her further develop the art of multi-tasking while in a fast-paced environment.  As the office manager, Jenn will ensure that everything runs smoothly and efficiently. She is committed to providing outstanding customer service while overseeing the office’s daily operations.

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