May 25, 2023 8:00am Notification: All office and center locations will be closed on Monday May 29th for Memorial Day. We will re-open on Tuesday May 30th.
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Medical Offices
Williamsville Wheatfield Orchard Park
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Endoscopy Center of WNY, LLC Endoscopy Center of Niagara, LLC
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Our Physicians

Christopher J. Bartolone, M.D.

Christopher J. Bartolone, M.D.
Peter D. Bloom, M.D.

Peter D. Bloom, M.D.
Craig Keller, M.D.

Craig Keller, M.D.
Shahid Mehboob, M.D., FACG, FASGE

Shahid Mehboob, M.D., FACG, FASGE
Naima Mian, D.O.

Naima Mian, D.O.
Stanley J. Pietrak, M.D.

Stanley J. Pietrak, M.D.
John D. Picano, M.D.

John D. Picano, M.D.
Ognian Pomakov, M.D.

Ognian Pomakov, M.D.
Benjamin Schaus, D.O.

Benjamin Schaus, D.O.
Siddhartha S. Shah, M.D.

Siddhartha S. Shah, M.D.

Our Advanced Practice Providers

Mallory Hojnacki, FNP-BC

Mallory Hojnacki, FNP-BC
Alexandria Galluzzi, PA-C

Alexandria Galluzzi, PA-C
Holly Bailey, FNP-BC

Holly Bailey, FNP-BC
Mary Ciechoski, ANP-BC

Mary Ciechoski, ANP-BC
Matthew Eich, PA-C

Matthew Eich, PA-C
Pamela Hennesen, PA-C

Pamela Hennesen, PA-C
Susan Kreppel, ANP-BC

Susan Kreppel, ANP-BC
Ann Lillis, ANP-BC

Ann Lillis, ANP-BC