Katrina DeLuca, MBA, CPA, CIA, CFE

Director of Accounting & Tax

Katrina has over 19 years’ experience in accounting and finance. She received her undergraduate degree in Accounting from the University of South Carolina in Columbia, SC and her MBA from South University in Savannah, GA. Katrina is a Certified Fraud Examiner (CFE), a Certified Internal Auditor (CIA), and a Certified Public Accountant (CPA).

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.

Chairman, ARN
Physician Director / Medical Officer

Gary E. Fink M.D.

Physician Director

Clarence W. Legerton III M.D.

Physician Director

Meet The Team

Leadership

Michael Cooper

CEO
AHG & ARN

Deb Mauk

Chief Operating Officer

Timothy Hewson, JD

General Counsel

Operations

Sarah McClain, MBA

Director, Strategy & Innovation

Brody Williamson, MSHA, MBA

Operational Strategy Administrator

Val Paz Dugarte

Operations Manager

Accounting & Finance

Katrina DeLuca, MBA, CPA, CFE, CIA

Director of Accounting & Tax

Nick Stoltmann, MBA, CPA

Director of Finance, Revenue Strategy, & Payor Contracting

Wendy Cordray, CPC, CRC

Director of Patient Finances

Jessica Pontieri

Revenue Cycle Manager

Infusion

Karen McKerihan, MSN, NP-C

Infusion Director

Intake

Ashley Neal

Senior Manager, Prior Authorization

Marketing & Communications

Morgan Grubbs, ICPP

Marketing and Business Development Manager

Information Technology

Phil Gansz

Director of Information Technology

Travis Wilson

Director of Clinical Applications

Human Resources

Tina Norris, SHRM-CSP

Director of HR

Angela Fruth

Benefits Manager

Refer a Patient

When you refer a patient to one of our network practices, you ensure that they will receive high-quality, personalized care.

Join Our Network

Learn more about our commitment to empowering better rheumatology care through an integrated and supportive network that helps local practices maintain their independence and flourish.

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