Doctors & Staff

Our Holistic Health Care Staff Empowers Patients with Self-Care Tools & Knowledge

With impressive credentials and decades of experience, the physicians at the Riordan Clinic provide the very best in care and expertise. Our outstanding staff includes experienced and caring professionals who will make your time at the Riordan Clinic among the best medical experiences of your life.

Medical Providers

Ron Hunninghake, MD

Chief Medical Officer

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Lucas Tims, ND, FABNO

Overland Park Campus

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Laura Vasquez, MSN, APRN, NP-C

Overland Park Clinic

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Michael Shaw, PA-C, ABAAHP

Wichita Campus

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Administrative Team

Courtney Vaden

Accounting Assistant

Steve Flesher

Chief Executive Officer

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Mike Stewart

Chief Operating Officer

Kimberly Day

Accounting Manager

Paul Taylor

Director of Information Services

Front Office: Wichita

Jean Van Ness

Director of Front Office Operations

Mona Wilson

Patient Care Team

Tom Tranbarger

Patient Care Team

Jason Hattrup

New Patient Coordinator

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Clinic Team: Wichita

Debbie Baker, RN, BSN

Registered Nurse

Melissa LaBarge, RN,BSN

Registered Nurse

Krystal Dinkel, RN

Director of Clinical Services

Annette Chlumsky, RN

Registered Nurse

Chloe Stuhlsatz, RN, BSN

Registered Nurse

Danae Baker, NCMA AAS

Certified Medical Assistant

Alisha Gillespie

Clinical Assistant

Front Office: Overland Park

Rachel King

Patient Services Team Member

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Michelle Carpet, MBA

Director of Operations Overland Park

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Clinic Team: Overland Park

Kim Medis, RN, BSN

Registered Nurse

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Polly Breitenkamp RN, BSN

Registered Nurse

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Amber Bauschka RN,BSN

Registered Nurse

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Kelsey Lafferty, RN, BSN

Registered Nurse

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Sarah Wedel, RN, BSN

Registered Nurse

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Jocelyn Camack, CCMA

Medical Assistant & Phlebotomist

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Front Office: Hays

Betty Brungardt

Office Manager, Hays

Clinic Team: Hays

Jennifer Tutak, RN

Registered Nurse

Debbie Augustine, LPN

Licensed Practical Nurse

Medical Records

Sabrina Proffitt

Medical Records

Bio-Center Laboratory

Charles Hinshaw, MD

Laboratory Director

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Karen Moore MLT(CSMLS)

Laboratory Manager

Jerry Tiemeyer MT(ASCP)

ASCP • Laboratory Technologist

Amanda Vuong MLS (ASCP) CM

Laboratory Technologist

Melissa Ortiz MLS (ASCP) CM

Laboratory Technologist

Julie Able, MLS (ASCP) CM

Laboratory Technologist

Amanda Lee NCMA, AAS


Nutrient Store

Cheryl Snook

Shipping and Receiving

Megan Neathery, MSM

Nutrient Store Manager

Maintenance and Facilities

Aaron Kramme

Shipping & Maintenance

Scott Fryar



Jacki Abalos

Overland Park Volunteer | August 2021

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Carolyn Mitchell

Volunteer | May 1989

Jere Woodard

Volunteer | December 2003 - August 2020

Jocelyn Pickard

Volunteer | March 2017

Connie Porazka

Volunteer | April 2017

Jackie Abromeit

Volunteer | July 2017

Janice Cole

Volunteer | June 2018

Diana Holder

Volunteer | 2019

Debbie Sanford

Volunteer | September 2019