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Doctors / MN

DENNIS W SIEMSEN, OD

OPTOMETRY

Medical school: ILLINOIS COLLEGE OF OPTOMETRY AT CHICAGO

Graduated: 1976

NPI: 1598742074

Practice Locations (2)

MAYO CLINIC

200 1ST ST SW

Rochester, MN 559050001

MAYO CLINIC

200 1ST ST SW

ROCHESTER, MN 559050001

5072842511

Source: CMS National Downloadable File, September 2026.

DENNIS SIEMSEN, OD | HealthCareAtlasUSA