patient-portal
Administration

Welcome to the Administration Department. Under the leadership of the Chief Executive Officer, Opal Dunstan, the Administration Department oversees all MVNHC network operations at our three health center sites (Mount Vernon Neighborhood Health Center/Mount Vernon, Greenburgh Health Center/Greenburgh/White Plains and Yonkers Community Health Center/Yonkers) in addition to our affiliate site locations and programs in Westchester County. The administrative team is here to assist you Monday through Friday 8:00 a.m. to 5:00 p.m. and can be reached by calling (914) 699-7200. There is also an administrator on-call 24 hours a day to assist with all urgent needs.

Opal Dunstan, MPA, CPHQ
Chief Executive Officer

Georgette Dukes McAllister, MBA,HCM
Chief Operating Officer

Markos Asamenew, MS, MD,  FACP
Chief Medical Officer

Benjamin Montgomry, CFO
Chief Financial Officer

Sonia Mercado, RN, BSN, MSN
Director of Clinical Affairs

Audrey Carver
Director, Revenue Cycle Administration

Joe Gonzalez
Director of Human Resources and Risk Management

Marcia Thoma
Director of Quality Management, RN, MSN

Dawn M. Insanalli, MS
Director, Marketing & Public Relations

Mirella Pachot
Assistant to the CEO

YONKERS COMMUNITY HEALTH CENTER ADMINISTRATION

Veronica Gonzalez, MPA, MS, LMHC
Site Administrator 

Catherine Valdez
Administrative Assistant to the Site Administrator

GREENBURGH HEALTH CENTER ADMINISTRATION

Judith Watson, RN, BSN, MPH
Executive Director

Glenn Davis, MD
Deputy Medical Director