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COVID-19 vaccine: Make an appointment and stay informed of our latest efforts.  Learn more


Based on current COVID-19 positivity rates, visitation is allowed until further notice.
Call (631) 548-6853 or click here for more information.

Denise Misiewicz

RN, BSN, MHA, CJCP
Vice President, Quality and Patient Safety Officer

  • Certified Joint Commission Professional
  • BSN and MHA, University of Phoenix
  • Joined Peconic Bay Medical Center in 1996

Responsible for Quality Management, Infection Control, Accreditation. Plans, organizes and directs the staff and activities of the Quality Management Performance Improvement Program to achieve goals and strategic operating plans and objectives. Ensures compliance with regulatory agenicies in accordance with internal and external requirements and regulation. Promotes effective patient safety and performance improvement initiatives to improve processes and outcomes of patient care.