Barbara Giannelli O'Brien, LCSW
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Barbara Giannelli O'Brien, LCSW, LCSW

Mental Health Counselor

3771 Nesconset Hwy Suite 208A, South Setauket, NY 11720

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June 2026
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About

Barbara Giannelli O'Brien, LCSW, LCSW is a Mental Health Counselor provider located in South Setauket, NY.

Contact information

Phone(631) 751-9600
Address3771 Nesconset Hwy Suite 208A
SexFemale

Office hours

Monday, Friday: 9:00 AM, 5:00 PM
Saturday: Closed
Sunday: Closed

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Disclaimer: The information on this page is provided for general informational purposes and is not medical advice. Heallexa does not endorse any specific provider, treatment, or procedure. Always consult a qualified healthcare professional for medical questions and verify credentials, licensure, and availability directly with the provider before scheduling care.