Deb Mauk

Chief Operating Officer

With over 20 years of healthcare experience and a background in Industrial Engineering, Deb has a wealth of expertise in strategy, mergers and acquisitions, operations, process improvement, financial management, staff development, and implementing new programming. In addition to her experience in healthcare, Deb has worked in the insurance and automotive industries in various capacities. 

Prior to AHG, a few of her key accomplishments included implementation of an air ambulance program for an 11-hospital system, integrating an insurance agency that started with 3 locations and ended with 20 multi-state locations, and leading Coastal Pediatric Associates, a designated Level 3 Patient-Centered Medical Home in the greater Charleston, SC area, through the impact of the COVID-19 pandemic.

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

Wendy Cordray, CPC, CRC

Director of Patient Finances

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

Tina Norris

Tina Norris, SHRM-CSP

Director of HR

Nicole Brown

HR Manager

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