Peter Harnish is a board certified family medicine physician. He obtained his undergraduate degree from Eastern Mennonite College in Harrisburg, PA and earned his medical degree from Temple University School of Medicine in Philaelphia, PA. He completed his residency at the Medical College of Wisconsin in Milwaukee.

Harnish's practice is focused on pediatrics and preventive medicine. He provides low-risk prenatal care until 32 weeks - no deliveries.

Dr. Harnish is board certified by the American Board of Family Medicine. He is a member of the American Academy of Family Physicians and the State Medical Society of Wisconsin.