Riordan Clinic,
6300 West 143rd Street, Overland Park, KS 66223
About Us

The Riordan Clinic, located at 6300 West 143rd Street in Overland Park, Kansas, has been a trusted institution for over 47 years, specializing in nutritional testing and holistic/naturopathic treatments for various chronic illnesses. From cancer to autoimmune disorders, our team of providers focuses on discovering the root causes of disease rather than just managing symptoms. By combining different approaches to medicine, including orthomolecular and integrative practices, we work with patients to create customized care plans to address and reverse their conditions. As a non-profit organization, the Riordan Clinic is dedicated to research, provider education, and patient education. Visit us to restore, improve, and maintain your health today.
Hours open
Monday:
8:00 AM - 5:00 PM
Tuesday:
8:00 AM - 5:00 PM
Wednesday:
8:00 AM - 5:00 PM
Thursday:
8:00 AM - 5:00 PM
Friday:
8:00 AM - 4:00 PM
Saturday:
Closed
Sunday:
Closed
Photos
Contact Us
Reviews
"Laura and the team at Riordan are amazing"
"Riordan clinic in Overland Park has an amazing team! Their awesome and helpful attitude creat a positive and hopeful experience for patients going through challenging cancer treatment journeys."
"The staff are not only kind but very knowledgeable in their area of practice."
"I pick up their specimens & I observed how their patients are treated ; how they are dedicated to their treatments. My wife had breast cancer & the chemo treatment that she went through was horrible. If I had known about Riordan , I would have begged her to go them. The chemo burnt her skin & it peeled from her body. I would ask everyone & anyone to give Riordan an opportunity to talk to them about how they would take care of them."
"The Riordan Clinic and staff changed our lives. My wife was so sick and ill for 3 years, after exhausting the ‘normal’ health care route, we were referred to the Riordan clinic. In a matter of 1 month, my wife’s health issues we’re diagnosed and treatment started, she was like a new woman in 1 month after treatment started! If it wasn’t for this staff I don’t know what state of health my wife would be in right now..... we are so thankful to both be patients now and to be able to receive world class treatment!"
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