Welcome! Lucas Tims, ND, FABNO

Throughout Dr. Lucas’ 8 years of practice, he has provided Integrative Medicine support for thousands of cancer patients at multiple CTCA hospitals and clinics. As a board-certified, Naturopathic Oncologist, Dr. Lucas is an expert in how to utilize natural therapies to support patients during any phase of treatment or care setting.

Dr. Lucas is now accepting new patients in our Overland Park office!

Weight Loss Programs REAL HEALTH means effective change.

Losing weight can be overwhelming. For many people a “calories in – calories out” method isn’t as simple as it seems. For others, having a medical provider to lead them through a lifestyle change will provide the support and education they need to make lasting change. When you are ready to reshape your body and reach your weight loss goals, Riordan Clinic can help.

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Health Hunters Sept. 2018: Intravenous Vitamin C Versus Cancer & Other Killers

An interview with Dr. Ron as printed in Whole Foods Magazine. “A common thread in the columns is that the amount of vitamin C in the blood is the key to vitamin C’s effectiveness. Sometimes, the most convenient way to obtain adequate blood levels of vitamin C is to use intravenous vitamin C (IVC). Reports of IVC’s effectiveness against some cancers are now appearing regularly in the peer-reviewed scientific literature. In July 2017, a study on IVC against prostate cancer was published that should interest additional physicians. …”

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Now Hiring: Full Time Doctor for our Wichita office Are you ready to join the world's leading experts in IV Vitamin C and Integrative Medicine?

An ideal candidate will possess excellent leadership qualities, commitment, and a passion for helping others. Our doctors are highly skilled, personable, and willing to guide their patients to better health. Launch the next step in your career.

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Riordan IVC Symposium Getting to the Roots of Mitochondrial Dysfunction

Professional Training: This Symposium will be an opportunity for attendees (doctors, nurses, admin) to gather to listen, learn, and answer some of the most compelling questions of our time.

What does REAL HEALTH mean to you? #ichooserealhealth

REAL HEALTH starts with a commitment to achieving better health in a more natural way. We believe Real Health is a journey, not a destination.

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Are you ready to discover Real Health? Now's your chance!

Whether you are at the beginning of your path to wellness or you have been challenged for many years, we can help. Take charge of your health by becoming a patient at the Riordan Clinic today.

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Welcome To The Riordan Clinic!

We focus on prevention by getting to the root cause instead of just treating symptoms of illness

People turn to the Riordan Clinic to restore, improve, and maintain health. Our integrative health practitioners listen to the needs of patients. Then we test and measure to map out a research-based, nutrition-fueled path to well-being. Together, our professionals move beyond simply treating symptoms to address illness at its cause. Your Way to Well communicates a positive, hope-filled message. It stresses our individualized approach and achieving the best possible outcomes.

We are a not-for-profit 501(c)(3), nutrition-based health facility in Wichita, Kansas. We have integrated lifestyle and nutrition to help you find the underlying causes of your illness. Since our inception in 1975, the mission has been clear and unwavering to “…stimulate an epidemic of health.”

Get To Know Your Team

With impressive credentials and decades of experience, the physicians at the Riordan Clinic provide the very best in care and expertise.Our outstanding support staff includes advanced registered nurse practitioners, registered nurses, and many other fine professionals who will make your time at the Riordan Clinic among the best medical experiences of your life.