Dr. Mary Fredenberg began her dermatology practice after completing her residency in 1986. She holds a BS in microbiology from Arizona State University and attended medical school at the University of Arizona. She completed her internal medicine internship with Good Samaritan Medical Center in Phoenix, Arizona, in 1983 and her dermatology residency at Rush-Presbyterian-St. Luke’s Medical Center in Chicago, Illinois, in 1986. Dr. Fredenberg has been board certified by the American Board of Dermatology since 1986. Dr. Fredenberg cares for patients at North Valley Dermatology Peoria, now a part of U.S. Dermatology Partners.
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