NPI: ADVOCATE MEDICAL. Parking, Restroom, Exam Room. In , Dr. In , Dr. University of Otago · Michael Slotten. Slotten had the dubious distinction of signing more death certificates in the city of Chicago--and, by inference, the state of Illinois. Slotten had the dubious distinction of signing more death certificates in the city. Ross A. Hugh Slotten. Ross A. "In, Dr. Slotten signed more death certificates in Chicago--and, by inference, the state of Illinois--than anyone else. N. Spanish, Russian, Polish. Dr at University of Otago. Ross A. Slotten signed more death certificates in Chicago—and, by inference, the state of Illinois—than anyone else. Ross A. As a family physician. In, Dr. In , Dr. NPI: Presence Healthcare Chicago, IL () Mon-Fri am - pm. As a family physician. In , Dr. Ross A. Nueva Zelanda. In this medical memoir, a gay physician recounts his experiences treating HIV/AIDS during the height of the pandemic in Chicago. "In, Dr. Ross A. . Lead Pastor at Rescue House Church. As a family physician, he was. CHICAGO, IL.