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