Dr. John Brennan graduated from the Rosalind Franklin University/ Chicago Medical School in 1991. He works in Racine, WI and 1 other location and specializes in Nephrology. Dr. Brennan is affiliated with Wheaton Franciscan Healthcare Franklin and Wheaton Franciscan Healthcare-All Saints Behavioral Health Center.
Medical School: Rosalind Franklin University/ Chicago Medical School; Graduated 1991
*This physician has multiple office locations. See Office Information for details.