Our Doctors

Dr. David A. Jernigan, D.C. – Founder

Dr. JerniganDr. Jernigan is a published author and is nationally recognized as a leader in Biological Medicine and the treatment of chronic illness. Graduating with a Bachelor’s degree in Nutrition with honors, he received his doctorate at Cleveland Chiropractic College-KC. Post Graduate studies have taken him far and wide, studying natural and anthroposophical medicine in Germany and Biological Medicine with the world-renowned Dr. Rau of the Paracelsus Klinic of Switzerland, with later studies providing certification in Botanical Medicine through the University of Colorado, School of Pharmacy. Dr. Jernigan is also the developer of the diagnostic and treatment technique Bio-Resonance Scanning™ and a whole new concept in medicine called Circuit Healing™.

Dr. Jernigan has personally developed over 30 novel natural medicines to date. As past president of the American Medical Academy of Thermodiagnostics, he is one of the most experienced doctors in the U.S.A. in one of the latest FDA approved adjunctive diagnostic tests, Computerized Regulation Thermodiagnostics.

Dr. Jernigan is married and has 4 children.

Click for more


Dr. David R. Jowdy, D.C.

Dr. JowdyDr. Jowdy completed an Associates Degree in Math and Science from Mohawk Valley Community College in Utica, NY in 1995, where he was also a member of the Varsity Baseball team that participated in the 1995 Junior College World Series. From there Dr. Jowdy attended Life University, where he received his Doctor of Chiropractic (D.C.) degree. He stayed in the Atlanta area for 3 years practicing in multiple clinics, before moving to Northern Virginia in July of 2002 to open Jowdy Chiropractic Center in Reston. Dr. Jowdy relocated to the island of St. Kitts in the West Indies in February of 2009 and spent 7 months treating patients at Carib Wellness Center.

In October 2009, Dr. Jowdy joined the staff at the Hansa Center for Optimum Health. During his time at Hansa Center, he has been able to advance many of the techniques and the science used. He has also helped develop new treatment strategies and with Dr. Jernigan, he conducts seminars in American Biological Medicine and BioResonance Scanning.. Dr. Jowdy has spent hundreds of post graduate hours training in nutrition, wellness, detoxification, Functional Endocrinology and sports injuries. Dr. Jowdy has also trained in Biological Medicine with Dr. Thomas Rau of the Paracelsus Clinic in Switzerland and has advanced certification in BioResonance Scanning.

Dr. Jowdy is married and has 2 children. He is a sports fanatic, and in his spare time, you’ll probably find him doing something athletic.


Dr. Aric D. Cox, D.C., FASA

Dr. Cox completed his undergraduate work at the University of Kansas with a Bachelor’s degree in anthropology. Dr. Cox received his doctorate and graduated with honors from Cleveland Chiropractic College. Postgraduate training includes many hours of training in acupuncture and certification in Therapeutic Lifestyle Changes.

Dr. Cox is currently pursuing a certification in clinical nutrition, a diplomate in applied kinesiology, and graduate status in the Applying Functional Medicine in Clinical Practice program. He holds advanced certification in BioResonance Scanning. Dr. Cox studied Biological Medicine with Dr. Thomas Rau, Medical Director of the prestigious Paracelsus Clinic at Lustmühle, Switzerland.

Dr. Cox opened his private practice in Wichita, where he proudly served the area through Functional Medicine. He has been a part of many public speaking engagements and radio shows on wellness awareness.

Dr. Cox was raised in Rose Hill, Kansas and now lives in Wichita, where he and his wife Jill are raising four beautiful children.


Dr. Jonathan L. Streit, D.C.

Jonathan StreitDr. Streit is originally from the small farming community of Tipton, Ks. Following his undergraduate studies in Chemistry and Microbiology, Dr. Streit worked as a chemist and microbiology lab specialist for an environmental firm. After witnessing the effectiveness of Chiropractic care for his wife, Dr. Streit decided to attend Cleveland Chiropractic College in Kansas City where he graduated with Honors. Dr. Streit started his own practice in Colorado Springs, Co where he treated a broad array of people from infants, Olympic athletes, to people well into their 90’s. Dr. Streit has been a leader in his community with multiple radio guest appearances as well as providing lectures on immunizations and nutrition to peers, patients and medical physicians.

Dr. Streit trained with renowned Biological Medicine expert, Dr. Thomas Rau, Medical Director of the Paracelsus Clinic of Switzerland. Dr. Streit has advanced certification in BioResonance Scanning and has been studying and practicing forms of biofeedback, using natural remedies and nutritional supplementation for 10 years. He is passionate about facilitating wellness in the whole body not just the alleviation of symptoms that exist.

Dr. Streit is currently pursuing a specialized program for brain trauma put on by the prestigious Spine Research Institute of San Diego. Outside the practice, Dr. Streit enjoys spending time with his wife Alisha, his son Noah and daughter Ava. Dr. Streit likes to mountain bike, hike, hunt, fish and garden.


Dr. Martin C. Hart, D.C.

Dr. HartDr. Hart earned a Doctorate in Chiropractic, and a B.Sci. in Exercise Science. He holds advanced certification in BioResonance Scanning and is trained in Applied Kinesiology, Acupuncture, Sacral Occipital Technique, Chiropractic Plus Kinesiology, Myofascial Release, NeuroEmotional Technique, and many other methods. He is a certified Corrective Exercise Specialist from the National Academy of Sports Medicine.

Prior to Hansa Center, Dr. Hart worked at Rogue Valley Chiropractic Clinic in Oregon. He also opened his own practice in Kansas City, Hart Chiropractic, where he integrated functional neurological testing with gentle, hands on therapies to restore harmony between the body systems. Dr. Hart believes that by releasing dysfunctional patterns and allowing healthier ones to emerge, a patient can begin living instead of suffering.

Dr. Hart is a devoted family man with a wife and four children. He can often be found volunteering at church, enjoying the outdoors, or relaxing with the family.




Hansa Center remedies, nutritional products, and treatment modalities are intended to enhance overall body performance and are not intended or implied to diagnose, treat, prevent, or cure any specific illness. All remedies and nutritional supplements are only the doctor’s best recommendation and are at no time to be considered a prescription. Always consult with your health practitioner before beginning any treatment program, especially if pregnant or nursing. If you are having a medical emergency, please call 911 or go to nearest emergency room.
The information provided here is for educational purposes only and should not be considered medical advice. Hansa Center for Optimum Health, P.A. assumes no responsibility for how this information is used. We do our best to keep all information as current as possible, but medical information can change frequently.
“The ideal doctor is not a specialist in diseases, but one who understands disease, yet specializes in restoring what is optimum.” – Dr. David A. Jernigan