Justices Michael B. Hyman and Aurelia Pucinski disagreed on whether John Guerra needed testimony from an addictionologist to prove causation in John’s malpractice case against Dr. Eugene Lipov, the pain management specialist who allegedly provided Jill Guerra with prescriptions for hefty amounts of opioids during the last 10 months of her life.Jill, who reportedly died from an intentional overdose of acetaminophen, became addicted to opioids after multiple surgeries.“By the time Jill came under Lipov’s …