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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Michael Shaw, PA-C, ABAAHP

Wichita Campus

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Organizational Managers

Steve Flesher

Chief Executive Officer

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Mike Stewart

Chief Operating Officer

Carol Marsh

Director of Finance

Erin Manning, MBA

Director of Marketing

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Megan Neathery, MSM

Nutrient Store Manager

Paul Taylor

Director of Information Services

Front Office

Jean Van Ness

Director of Front Office Operations

Mona Wilson

Patient Care Team

Lyndsi Herring

Patient Care Team

Clinic Team

Chris Brannon, RN, BSN

Director of Clinical Services

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Annette Chlumsky, RN

Registered Nurse

Krystal Dinkel, RN

Registered Nurse

Olivia Nugroho, RN, BSN

Registered Nurse

Danae Baker, NCMA AAS

Certified Medical Assistant

Kristy Reid MA, AAS

Medical Assistant

Alisha Gillespie

Clinical Assistant

Overland Park Office

Michelle Carpet-Chichura, MBA

Office Manager, Overland Park

Kim Medis, RN, BSN

Registered Nurse

Polly Breitenkamp RN, BSN

Registered Nurse

Randol Ramseier, RN, BSN

Registered Nurse

Hannah Gunnison, RN, BSN

Nurse

Kelsey Lafferty, RN, BSN

Registered Nurse

Emmy Gomez

Front Desk Services Coordinator

Hays Office

Betty Brungardt

Office Manager, Hays

Jennifer Tutak, RN

Registered Nurse

Debbie Augustine, LPN

Licensed Practical Nurse

Bio-Center Lab Team

Charles Hinshaw, MD

Laboratory Director

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Jerry Tiemeyer MT(ASCP)

ASCP • Laboratory Manager

Karen Moore MLT(CSMLS)

Laboratory Technologist

Doug Johnson MT(ASCP)

Microbiologist

Amanda Vuong MLS (ASCP) CM

Laboratory Technologist

Melissa Ortiz MLS (ASCP) CM

Laboratory Technologist

Amanda Lee NCMA, AAS

Phlebotomist

Courtney Knapp, CPT

Phlebotomist

Administrative Staff

Leah Chischilly, MS, L.Ac.

Education Coordinator

Jason Hattrup

New Patient Coordinator

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Rachel Brewster

Accounting Assistant

Sabrina Proffitt

Medical Records

Pat Knafla

Medical Records

Maintenance and Facilities

Dang Nguyen

Maintenance Manager

Aaron Kramme

Maintenance

Scott Fryar

Maintenance

Volunteers

Carolyn Mitchell

Volunteer | May 1989

Jere Woodard

Volunteer | December 2003

Shawndra Hartman

Volunteer | February 2016

Jocelyn Pickard

Volunteer | March 2017

Connie Porazka

Volunteer | April 2017

Jackie Abromeit

Volunteer | July 2017

Janice Cole

Volunteer | June 2018

Debbie Sanford

Volunteer | September 2019