Dr. Chauhan merged his practice with GPUS in October of 2004.  Dr. Chauhan practices all aspects of urology, with special expertise in office-based minimally invasive treatments for BPH (benign enlargement of the prostate).  Dr. Chauhan sees patients at the Warren office, and practices predominantly at St. John Macomb Hospital, where he currently serves as Vice President of the Medical Staff.  Dr. Chauhan was honored as one of Hour Detroit Magazine's "Top Docs" in 2003.