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  As of Friday, September 1, 2023 – masks will be required for staff, patients, and visitors in Samaritan facilities until further notice.
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Marcus M. Knapp, RPA-C

Samaritan Pulmonology

19320 US Route 11

Building 3

Watertown, NY 13601


  • Physician Assistant: Albany Medical College, Albany, NY / Hudson Valley Community College, Troy, NY
  • Master of Science: State University of New York, College of Potsdam, NY
  • Staff appointment: 2007