Karen McKerihan, MSN, NP-C

Infusion Director

Karen began her nursing career in 1987 after graduating from the University of Tennessee in Chattanooga, TN with a Bachelor of Science in Nursing. Prior to rheumatology, she worked as a RN in labor and delivery and pain management. She returned to school in 2012 and graduated from Walden University with a Master of Science in Nursing (MSN) in 2014. Since 2016, she has worked as a Family Nurse Practitioner in rheumatology and in 2018, joined Low Country Rheumatology in the Charleston, SC area as the Infusion Director to continue leading and cultivating the growth of the infusion department. Karen is currently the Advocacy Chair for Rheumatology Nurses Society and is a member of the American Association of Nurse Practitioners and the Association of Rheumatology Professionals. 

As the daughter of educators, she grew up in India, speaks Hindi, and in her spare time plays the bagpipes for the Charleston Pipe Band.

Physician Leadership Team

Jennifer K. Murphy, M.D.

Physician Director / Medical Officer

Gregory W. Niemer M.D.

Physician Director / Medical Officer

Colin C. Edgerton, M.D.

Physician Director / Medical Officer

Gary E. Fink M.D.

Physician Director

Clarence W. Legerton III M.D.

Physician Director

Meet The Team


Deb Mauk

Chief Operating Officer

Timothy Hewson, JD

General Counsel


Val Paz Dugarte

Operations & Compliance Manager

Brody Williamson, MSHA, MBA

Operational Strategy Administrator

Accounting & Finance

Jessica Pontieri

Revenue Cycle Manager


Karen McKerihan, MSN, NP-C

Infusion Director


Ashley Neal

Senior Manager, Prior Authorization

Information Technology

Phil Gansz

Director of Information Technology

Travis Wilson

Director of Clinical Applications

Human Resources


Nicole Brown

HR Manager

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