Dr. Callen graduated from the University of Minnesota Medical School in 1986. He works in Cambridge, MN and 2 other locations and specializes in Family Medicine and Hospital Medicine. Dr. Callen is affiliated with Cambridge Medical Center.
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Dr. Callen graduated from the University of Minnesota Medical School in 1986. He works in Cambridge, MN and 2 other locations and specializes in Family Medicine and Hospital Medicine. Dr. Callen is affiliated with Cambridge Medical Center.
RESIDENCY
University Of Minnesota Health Care System
MEDICAL SCHOOL
University Of Minnesota Medical School - 1986
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