Committed to providing quality specialty care in the field of gastrointestinal endoscopy.

Meet Our Board Certified Physicians

Meet Our Board Certified Gastroenterologists, performing the highest quality, state-of-the-art endoscopic procedures.

Your Provider - Robert Baranowski, M.D.

Robert Baranowski, M.D.

Gastroenterologist

Your Provider - Gary Bernstein, M.D.

Gary Bernstein, M.D.

Gastroenterologist

Your Provider - Neva Castro, M.D.

Neva Castro, M.D.

Gastroenterologist

Your Provider - H. Matthew Cohn, M.D.

H. Matthew Cohn, M.D.

Gastroenterologist

Your Provider - William Cohn, M.D.

William Cohn, M.D.

Gastroenterologist

Your Provider - Eugene Coman, M.D.

Eugene Coman, M.D.

Gastroenterologist

Your Provider - Emily Glazer, M.D.

Emily Glazer, M.D.

Gastroenterologist

Your Provider - Howard Keschner, M.D.

Howard Keschner, M.D.

Gastroenterologist

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Pre-Procedure Prep Information


View useful information about Pre-Procedures at Advanced Surgery Center of Long Island

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Procedures

We offer a range of procedures at Advanced Surgery Center of Long Island to help diagnose and treat gastrointestinal diseases.

Understanding

Colonoscopy

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Colon Cancer Screening

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Endoscopy

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Flexible Sigmoidoscopy

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Upper Endoscopy

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