Sarah McClain, MBA

Director, Strategy & Innovation

Sarah is Articularis Healthcare Group’s Director of Strategy & Innovation. She has a broad range of experience across providers, group purchasing organizations, and technology solutions. Her functional experience includes account management, business development, technology implementations, and product launches. 

Sarah holds an MBA in healthcare management from Middle Tennessee State University and a BA in accounting from Otterbein University. Sarah is based in Nashville, Tennessee and outside of work enjoys traveling, playing tennis, and spending time with her family and friends. 

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

Deb Mauk

Chief Operating Officer

Katrina DeLuca, MBA, CPA, CFE, CIA

Director of Accounting & Tax

Nick Stoltmann, MBA, CPA

Director of Finance, Revenue Strategy, & Payor Contracting

Sarah McClain, MBA

Director, Strategy & Innovation

Karen McKerihan, MSN, NP-C

Director of Infusion and Clinical Services

Stephanie Murden

Infusion Intake Manager

Morgan Grubbs, ICPP

Marketing and Business Development Manager

Patty Howenstine, MSN, FNP-BC

Clinical Research Manager and Investigator

Brody Williamson, MSHA, MBA

Operational Strategy Administrator

Caitlyn Bednarek, M.Ed, CHES®

Account Manager

Cassandra Olear

Account Manager

Angela Fruth

Human Resources & Credentialing Specialist

Kayla Benford, BSN, RN

Infusion Nurse Trainer

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