Sean Weiss

Compliance Officer

An accomplished compliance and management professional, Sean has extensive knowledge of the inner workings of government agencies at both the federal and state level, including the Office of Inspector General, Department of Justice and The United States Attorney’s Office.

Sean attended Life College in Marietta, Georgia, and Capella University in Minneapolis, where he studied Business Administration with a concentration in Health Care Management and Legal Studies.

Sean served on the American Alliance of Orthopedic Executives (AAOE) Industry Relations Advisory Board. He is also a published author and a contributing author. His contributions to print and online publications (JAMA, Medical Economics, Part B News, BC Advantage, The Coding Edge, and MGMA Connections) cover topics such as Medicare, Evaluation and Management Services, auditing standards, fraud and abuse, regulatory compliance, and medical practice management.

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

Michael Cooper


Timothy Hewson, JD

General Counsel
Executive Vice President

Farrar S. Stewart, MSHRD

Vice President of Human Resources

Katrina DeLuca, MBA, CPA, CFE, CIA

Director of Accounting & Tax

Nick Stoltmann, MBA, CPA

Director of Finance, Revenue Strategy, & Payor Contracting

Sean Weiss

Compliance Officer

J. Worth Williamson III, MHA

Director of Revenue Cycle

Karen McKerihan, MSN, NP-C

Director of Infusion and Clinical Services

Patty Howenstine, MSN, FNP-BC

Clinical Research Manager and Investigator

Brody Williamson, MSHA, MBA

Operations Manager

Caitlyn Bednarek, M.Ed, CHES®

Account Manager

Sarah McClain

Account Manager

Cassandra Olear

Account Manager

Angela Fruth

Human Resources & Credentialing Specialist

Kayla Benford, BSN, RN

Infusion Nurse Trainer

Morgan Grubbs, ICPP

Marketing and Business Development Manager

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