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Important Alerts:

COVID-19 Information and Updates
CareMount is now offering the COVID-19 vaccination for ages 5+ and the booster dose for individuals 18 years and older.  Read more or schedule online.
Drive-Thru COVID-19 RNA (nasal swab) testing: Read more or schedule online.

For everyone’s safety and per CDC guidelines it is MANDATORY TO KEEP YOUR MASK ON AT ALL TIMES in our offices EVEN IF FULLY VACCINATED.

Walk-In Flu Clinics ending Friday, December 3.

For other alerts, click here.


Lois Tuerk-Mendelsohn, MD

Lois Tuerk-Mendelsohn, MD

Clinical Assistant Professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell



Mount Kisco Office - 103
103 South Bedford Road
Suite #208
Mount Kisco, NY 10549-3412

Tuesday, Wednesday, Thursday, Friday

Awards & Recognition

Exceptional Women in Medicine, Castle Connolly: 2019, 2020

Castle Connolly Top Doctor: 2001, 2003 - 2005, 2011 - 2016, 2018 - 2021

  • Westchester Magazine: 2002, 2009, 2015, 2016, 2018-2021

New York Magazine Best Doctors Award: 1999, 2017-2021

Guide to America’s Top Physicians : 2006

Hudson Valley Parent - Favorite Docs: 2017


Undergraduate & Graduate

Brandeis University: 1982

Medical Education

New York Medical College: 1986


Internal Medicine
Lenox Hill Hospital: 1987


Internal Medicine
Lenox Hill Hospital: 1989


Allergy and Clinical Immunology
Mount Sinai Medical Center: 1991

Board Certifications

Allergy and Immunology: 1991, 2001, 2014
Internal Medicine: 1989


Hospital Affiliations

Northern Westchester Hospital