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Important Alerts

Updates

Effective March 1, 2025: Former patients of CareMount Medical and Crystal Run Healthcare, powered by Optum will have access to all features of the MyChart patient portal.

We have transitioned to a new electronic health record system to better serve you. During this time, you may experience some delays. We apologize for any inconvenience and thank you for your patience.

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As of April 21, 2025 Pediatrics – Wall at 1560 State Route 138 will relocate to 3350 State Route 138.

As of April 14, 2025 Primary Care – Voorhees will relocate to 165 S Black Horse Pike, Runnemede.

As of April 14, 2025 Pediatrics – Manasquan will relocate to 3350 State Route 138 Wall.

As of April 7, 2025 Primary Care – Moorestown and Cardiology – Moorestown will relocate to Cherry Hill at 322 Route 38, Cherry Hill.

As of April 7, 2025, Primary Care – Secaucus and Gastroenterology – Secaucus will relocate to Rutherford at 201 Route 17 11th Floor Rutherford.

As of March 31, 2025, Primary Care – Rutherford has relocated to 201 Route 17, Suite 1102 in Rutherford.

As of March 28, 2025, Primary Care – Roslyn has relocated to the Optum multi-specialty medical office location in Lake Success.

As of March 3, 2025, Pediatrics – Port Jefferson has relocated to 1500 Route 112, Building 1, Floor 1, in Port Jefferson.

As of March 3, 2025, Primary Care – Port Jefferson Station has relocated to 1500 Route 112, Building 1, Floor 1, in Port Jefferson.

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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Home ❯ Locations ❯ General Surgery – Syosset

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General Surgery - Syosset

575 Underhill Boulevard Suite 190
Syosset, NY 11791

Book An Appointment

Get Directions 1-516-210-8850

Campus: Syosset Multi-Specialty Center

Office Info
Contact
Providers

Monday 9 a.m. - 5 p.m.
Tuesday 9 a.m. - 5 p.m.
Wednesday 9 a.m. - 5 p.m.
Thursday 9 a.m. - 5 p.m.
Friday 9 a.m. - 5 p.m.
Saturday Closed
Sunday Closed

Send us a message using our general contact us form.

Brett Michael Keck, MD - Surgery