St. Mary's Medical Group Administration


At St. Mary’s Medical Group, our administrative team conquers challenges in navigating healthcare industry operations. We manage St. Mary’s healthcare systems from hospitals to primary and specialty practices. Our admin team works together to ensure patients have been presented with the best possible care.

Administrative Team

Brittainy Horne

Brittainy Horne

President, St. Mary's Medical Group

John Morsek, MD

John Morsek, MD

Medical Director

Diva Jain

Diva Jain

Director, Physician Practice Management

Stacey Bond

Stacey Bond

Quality and Clinical Services Manager

Joanne Eggleston

Joanne Eggleston

Manager, Payer Credentialing

John Japuntich

John Japuntich

Project & Process Improvement Coordinator

Sharyl Graham

Sheryl Graham

Executive Assistant