Dr. Sonnichsen graduated from the University of Washington School of Medicine in 1975. He works in Prosser, WA and specializes in Family Medicine. Dr. Sonnichsen is affiliated with Astria Sunnyside Hospital.
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Dr. Sonnichsen graduated from the University of Washington School of Medicine in 1975. He works in Prosser, WA and specializes in Family Medicine. Dr. Sonnichsen is affiliated with Astria Sunnyside Hospital.
RESIDENCY
University of California at Irvine
MEDICAL SCHOOL
University Of Washington School Of Medicine - 1975
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