Charles L. Crist, MD, PC Dr. Crist’s medical office is located in Ashland, Missouri, just outside of Columbia. He has been practicing medicine for over thirty years and specializes in tick-borne illnesses such as, but not limited to, Lyme disease, Rocky Mountain spotted fever, ehrlichiosis and borreliosis. Outside of tick-borne illnesses, he also treats patients for hormones, metabolism, allergies, pain (prolotherapy), toxic metals and various other conditions. He has diagnosed and helped over 11,500 patients. Schedule an Appointment About Dr. Charles Crist Dr. Crist grew up in Shelbina, Missouri and attended medical school at the University of Missouri-Kansas City. After his family medicine residency at St. John’s Mercy Medical Center in St. Louis, he served three years on active duty as an A-10 flight surgeon in the United States Air Force. He is a former president and current member of the American Academy of Environmental Medicine (AAEM). Dr. Crist has a nationwide practice, seeing patients from almost all fifty states. The primary goal of his practice is to find and eliminate the root causes of symptoms that his patients deal with daily. If you are looking for a doctor that will take the time to not only discover what is causing your symptoms, but will also make sure you are heard during your appointment, Dr. Crist is the one for you. From long appointment times, to extensive methods for testing and treatment, Dr. Crist examines your symptoms through a number of different lenses. The symptoms that his patients face vary extensively and no one patient is exactly like another. A lot of time and care is put into diagnosing and helping each patient and ninety-seven percent of Dr. Crist’s patients get better after his treatments. If you are looking for a doctor that truly cares about finding the best treatment suited for you, give Dr. Crist’s office a call.