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Important Alerts
Updates

The Extended Hours Center in Lake Success will be closed on Sunday, August 17, Sunday, August 31 and Monday, September 1.

As of August 1, 2025, Optum Allergy and Immunology in Long Beach has closed, and the providers have relocated to Optum Allergy and Immunology in Bay Shore.

As of July 14, 2025, Pediatrics in Bayonne located at 506 Broadway has  relocated to 191 Lefante Way.

Recording/Photography Not Permitted on Premises

Office and Urgent Care Closures

The Croton-on-Hudson lab is temporarily closed until further notice.

COVID-19 Information and Updates

Flu and COVID-19 vaccines are now available ›

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Accepting new patients
Ann Liu, MD
Ann Liu, MD
Neurosurgery
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Ann Liu, MD
Neurosurgery
575 Underhill Blvd
Syosset, NY 11791
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