Meet Our Doctors

Dr. Brant Koenig, DC

Dr. Koenig is a graduate of Bishop McGuinness High School. He received his BS in Exercise and Fitness Management at the University of Central Oklahoma and earned his Doctor of Chiropractic from Cleveland Chiropractic College in Kansas City.

Prior to entering chiropractic school, Dr. Koenig managed Gold’s Gym on Broadway and Memorial for 11 years. Besides management duties, Dr. Koenig was a certified personal trainer and nutrition technician, working with clients to attain and maintain their quality of life and fitness goals.

This experience led him to pursue a chiropractic career, so he can help people attain a better quality of life through natural and holistic health care. Dr. Koenig’s fitness and athletic background allowed him to develop a healthcare philosophy of total body health and wellness care. His patients are not just treated for back pain or headaches; they receive full health and wellness care, utilizing educational consultations to help enhance all aspects of daily life through healthier living.

His background allows him to work with all ages and levels of patients, from newborns to retired farmers, and from weekend warriors to elite athletes. He knows patients have individual healthcare needs and goals and believes they should have options. That is why, at PMO, patients are given individualized health care plans to match their level of needs and commitment to health.

Dr. Anthony Cox, DC

Dr. Cox graduated from Oklahoma State University in 2010, where he found his passion for helping others. With an athletic training and sports medicine background, he went on to Parker Chiropractic College, graduating with a Doctor of Chiropractic in 2014.

The focus of Dr. Cox’s treatment is the functionality of movement. Dr. Cox is also a certified vitamin, mineral, and nutritional supplement injectables chiropractor. He is here to help as many people as he can.


Dr. Karen Mahlmeister, DC

Dr. Karen Mahlmeister, DC, brings over 25 years of Chiropractic experience to Physical Medicine of Oklahoma. In 1995, she opened Dr. Karen’s Wellness Center in Edmond. Dr. Karen had a very successful practice and was voted Edmond’s “Favorite” or “Best” Chiropractor 14 times.

In 2014, she retired and sold her practice. However, she missed working with patients, so when Dr. Koenig asked her to help out while he recuperated from an injury, she was delighted to do so. She has been with PMO ever since!

Dr. Karen recently achieved one of her dreams to write and publish a book. With her book Pain Relief from Head to Toe, she hopes it will benefit EVERY PERSON who suffers from pain.


Dr. Bryce Harrison, DC

Dr. Harrison is the newest edition to our team and the sole Doc at our Yukon location. He received his Bachelor’s Degree in Kinesiology and Exercise Science from UCO. He went on to graduate from Parker University in 2020 with his Doctorate of Chiropractic and MS in functional nutrition. His clinical interests include sports performance and general family care. He is happily married with one son.