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Patient Portal Issue: We are experiencing issues with our patient portal and messages may not be delivered. We are working with the vendor to fix the problem. In the meantime, please call the practice.

Update on Monkeypox

CareMount is offering the COVID-19 Vaccination to Babies and Children 6 Months of Age and Older and Booster Dose for Ages 5+, click here to learn more

COVID-19 Guidance and Testing, click here



Marlene M. McKenna, FNP

Marlene M. McKenna, FNP

Internal Medicine


Patterson Office
2050 Route 22
Brewster, NY 10509-5949



Undergraduate & Graduate

BSN, State University of New York at New Paltz, New Paltz, NY: 2008

Associates Degree in Nursing, Dutchess Community College, Poughkeepsie, NY: 1993

Medical Education

Family Nurse Practioner, Dominican College, Orangeburg, NY: 2011

Board Certifications

Family Nurse Practitioner ANCC: 2012