Dr. Stephen J. Maassen has been practicing medicine for 31 years. Dr. Maassen graduated from the University of Michigan Medical School in 1983. He practices medicine in Oshkosh, WI and specializes in Family Medicine. Dr. Maassen is affiliated with Aurora Medical Center -Oshkosh, Froedtert Lutheran Hospital and Aurora St Lukes Medical Center. He speaks English and Spanish.
Years in Practice: 31 Years
Languages Spoken: English, Spanish
Medical School: University of Michigan Medical School
Graduation Date: 1983
Specialties: Family Medicine