Dr. John Brennan has been practicing medicine for 23 years. Dr. Brennan graduated from the Rosalind Franklin University/ Chicago Medical School in 1991. He practices medicine in Racine, WI and 1 other location and specializes in Nephrology. Dr. Brennan is affiliated with Wheaton Franciscan Healthcare-All Saints Behavioral Health Center, Froedtert Lutheran Hospital and Wheaton Franciscan Healthcare Franklin. He speaks English, German, Polish and Spanish.
Years in Practice: 23 Years
Languages Spoken: English, German, Polish, Spanish
Medical School: Rosalind Franklin University/ Chicago Medical School
Graduation Date: 1991
*This physician has multiple office locations. See Appointments for details.