Chiropractor & Functional Medicine in Blackfoot, Idaho

Dr. Mark Kennington is a board-certified and licensed chiropractic physician who brings a unique blend of clinical expertise, performance insight, and a deep commitment to personalized care. With a background in athletics and advanced nutrition, he understands what it takes to help the body not just heal — but truly thrive.

He combines the latest in functional medicine with time-tested healing practices to identify and address the root cause of health concerns. His approach is tailored to each individual—whether you’re managing a chronic condition, recovering from injury, or striving for higher performance and vitality.

Dr. Kennington has worked with a wide range of clients, including professional and collegiate athletes (football, basketball, soccer, baseball, volleyball, track, dancers), Miss America contestants, celebrities, and high-performance professionals. Through these experiences, he’s helped individuals enhance performance, accelerate recovery, and restore optimal health.

His academic background includes:

Doctor of Chiropractic

Master’s in Functional Nutrition

Bachelor’s in Anatomy

Bachelor’s in Health & Wellness

With thousands of lab reviews and years of one-on-one patient care, Dr. Kennington has built a reputation for clarity, compassion, and results. Whether you’re navigating chronic symptoms or simply looking to feel better in your body again, you’ll find a knowledgeable and supportive partner in Dr. Kennington.

Most people who come to me feel like they’ve been dismissed—bouncing between providers, told everything looks fine, or stuck with quick fixes that don’t last. I started Summit Health Solutions to change that. We take a deeper look at what’s driving your symptoms—whether it’s blood sugar, gut health, inflammation, or stress—and create a personalized plan using chiropractic care, functional nutrition, real food, and targeted support.

This is whole-person care—simple, affordable, and built around you.

No Fluff. No Fads. Just what works

“Dr. Mark was very knowledgeable. He went over my labs with me, explaining exactly what each one meant. He made me feel at ease with my results. I was feeling tired, had low energy, my stomach was not feeling good, and I had bad migraines with dizziness. Dr. Mark showed me the root cause. Today I am feeling so much better, and I know we are on the right track. I am impressed and will continue to recommend Dr. Mark to all my friends and family”. M S. 
“My experience was phenomenal. Dr. Mark is open, honest, and positive. I feel so much hope for improving my energy and the quality of my daily living. I wish I had known about him years ago. I am so grateful to know him now”. E.M.
“I was so impressed with Dr. Kennington’s knowledge of all the lab results we reviewed, and I appreciated that he provided actionable steps for my lab values that needed improvement. This functional lab testing is a service I have been seeking for years, and I’m so grateful I have access to it now”. M. P. 
“If you want a doctor that genuinely cares about your well being and getting to know you then you need to see Dr. Kennington. His chiropractic adjustments are amazing, and while he is doing them he works on getting to know you on a personal level. He is super authentic and very knowledgeable. I can’t recommend him enough”. L.P.
“My wife and I treated with Mark and had a great experience/service. My wife is pregnant and Mark was very knowledgeable and made my wife feel much better. I also had an adjustment and left feeling great! I would highly recommend to anyone”! P.D.
“Mark has healing hands! My mom and I have both seen great results just after 1 or 2 sessions. He is also very mindful to explain why he’s doing what he’s doing, and makes sure you’re comfortable at all times! He is the best”! A.L.
“I am so grateful for Dr. Mark Kennington.  He is so knowledgeable and was able to make me much more comfortable. It is obvious he truly cares about his patients! I have recommended him to family and friends. I cannot recommend him enough”. H.S.
“Dr. Mark explained everything to my satisfaction. It took a load off my mind to know I wasn’t too far gone for a 58-year-old man”.  J. L.
“Mark is great to work with. He’s personable, friendly, and listens to his clients. He makes time for you when you need it and works to address ongoing and “big picture” concerns. He addresses musculoskeletal issues as well as doing adjustments. He’s helped me reduce neck, shoulder, and head pain. I highly recommend him”! M.D.
“I would recommend anyone I meet to visit Dr. Mark. He is well studied and knows how the body is connected. He takes time to understand influencing factors of my life, what I want and where I want to be. So grateful for Dr. Mark. A better experience each time I walk through the door”. G.H.
“Mark is a great chiropractor but that does not even say everything he offers our family. His overall approach to his client through diet to help with diabetes, stretching for muscle help and just a his care for the whole person is why my whole family keeps returning to his watchful eyes and client care”. T.S.
“Dr. Kennington is such a great chiropractor. He has adjusted me many times, and every time I have left feeling so much better with all my aches and pains gone, and I always sleep better at night as well. He truly has a gift. I highly recommend him to everyone”! M.M.