Posted On April 12, 2022
Onisis Stefas
As vice president and chief pharmacy officer, Onisis Stefas, PharmD, leads Northwell Health’s Pharmacy Service Line. He
develops the strategy and directs the implementation of programs, policies and procedures designed to integrate the health
system’s pharmacy services. He also oversees the management, financial operations and development of Northwell’s central
pharmacy and for-profit subsidiary Vivo Health, which includes PBM, specialty, mail order, retail and pharmacy consulting
services.
Dr. Stefas joined Northwell Health in 2010 as director of pharmacy and clinical services at Long Island Jewish Forest Hills. He
then assumed roles with progressive responsibilities, such as director of pharmacy for Vivo Health, senior director of pharmacy
for North Shore University Hospital and vice president of pharmacy operations for the health system.
Prior to joining Northwell, Dr. Stefas held numerous leadership positions at Fortune 500 companies, including CVS Caremark
and the Target Corporation.
After graduating from the Albany College of Pharmacy with a Doctor of Pharmacy in 2002, Dr. Stefas went on to receive his
Master in Business Administration from Hofstra University in 2010. He is a clinical assistant professor of pharmacy practice at
St. John’s University, and holds a position on its Advisory Board.
Dr. Stefas is involved in several professional affiliations, including the American Society of Health System Pharmacists, New
York State Council of Health System Pharmacists and the Long Island Society of Health System Pharmacists.

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