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"Thank you for doing what my oncologist could not" - George

“Had a case of prostate cancer in 2018. Your services and vitamin C brought my PSA down to ,0.01 (nondetectable) in less than 4 months. Would recommend vitamin C be used! Thank you so much for doing what my oncologist could not.”

Welcome To The Riordan Clinic!

We seek to identify the underlying causes of illness and correct them using a variety of natural, non-toxic modalities.

For more than 40 years people have turned to the Riordan Clinic to restore, improve, and maintain health. We continue to specialize in nutritional testing and holistic/naturopathic treatments for sustained illnesses such as cancer, Lyme disease, gut issues, anxiety and depression, autoimmune disorders, diabetes, and more.

Rather than focusing on a diagnosis and managing symptoms, our goal is to discover the root causes of disease. Simply put, we aren’t just looking to label what is wrong with you – we want to find out why the disease occurred in the first place and then to address those causes.

Our doctors combine in-depth nutritional lab testing, a comprehensive medical evaluation, and the utilization of a variety of holistic, non-toxic treatments and services to provide a customized, holistic treatment plan.

The Riordan Clinic is a not-for-profit 501(c)(3), nutrition-based health facility with three locations in Kansas: Wichita, Hays, and Overland Park.

Thank you for doing what my oncologist could not...

"Your services and Vitamin C brought my PSA down to ,0.01 (nondetectable) in less than 4 months. Recommend IVC be used! Thank you for doing what my oncologist could not." - George

They have my best health at heart...

"The staff at the [Overland Park] office are fantastic! I know they have my best health at heart and I am very confident in their excellent care & commitment to my overall health and wellbeing."

I was at the end of my rope...

"When I came in for my appointment with Dr. Ron I was at the end of my rope... today after my IVC I feel like a new woman. The positive results were immediate. I am so grateful." - Connie

You all were there for me...

"I was very sick at one time. You all were there for me. Got me through the hardest. I am doing well! Thank you!" - Lois

You have given me my life back...

"When I first came to the center, I could hardly function. You have given me my life back."

The services were very beneficial...

"The services I received during my cancer treatment were very beneficial and felt like they kept me from being so sick after chemo."

Encouragement to stay the course...

"I am really at a loss for words at how appreciative I am for your advice and encouragement to start this therapy at the clinic and to stay the course."

Treated with care and compassion...

"I feel like everyone at the Riordan Clinic genuinely cared about me. Being treated with care and compassion is healing and the treatments I received were exceptional."

Seek out and find the experts...

"It is amazing what can be accomplished when you seek out and find the right experts to work a problem." - Warren

See More Patient Stories

Get To Know Your Team

Just like you, each of our doctors and staff members has a story that has brought them to the Riordan Clinic. Some started as patients, others hadn’t even heard of Naturopathic of Integrative Medicine, many thought they were just applying for a job, but all share one thing in common – passion and commitment to the people and communities that we serve. Throughout our 45 year history, we have had exceptional men and women join us on the journey to provide Real Health around the globe. Our current staff is no exception. We are each here to teach, guide, serve, and care for you while you improve your health and move forward into what we hope are the best years of your life. Thank you for trusting us to be your partner in Real Health.