Our Leadership

Riverview Medical Center Executive Team

Riverview Medical Center Hospital Leadership

An executive management team oversees the day-to-day operations of 
Riverview Medical Center. Each senior executive is accountable to the President. Collectively, the senior management team ensures that Riverview Medical Center delivers the highest quality health care in a safe and compassionate setting for the members of our community.

President and Chief Hospital Executive Raymond F. Fredericks
Chief Hospital Executive Kelli O'Brien, RD, MBA
Vice President, Chief Nurse Executive Rebecca D. Graboso, DNP, RN, FNP-BC, CNRN

Vice President, Clinical Effectiveness &
Medical Affairs
Joseph Reichman, M.D., FACS
Senior Manager, Operations Sheila Hintze, MBA, SPHR
Vice President, Physician & Business Development
 Rachel Weiss

Medical Staff Leadership

Riverview Medical Center's medical staff is led by four officers who are responsible for ensuring that our patients receive safe, appropriate, high-quality care.

Medical & Dental Staff President Frank Arlinghaus, M.D.
Vice President Joseph Cauda, M.D.
Secretary Negin N. Griffith, M.D.
Treasurer John D. Royall, M.D.