Regulates certain practices of pharmacy benefits managers related to specialty drugs; requires disclosure of payment information related to prescription drugs. This bill prohibits a pharmacy benefits manager from requiring a pharmacy to purchase a specialty drug, as defined in the bill, directly from the pharmacy benefits manager as a condition for participating in a pharmacy benefits manager’s network contract or for any other reason. The bill also requires the commissioner to make publicly available on the department’s website, on at least an annual basis, a summary for each pharmacy benefits manager of the information disclosed, including, for each drug, the differences between the aggregate amounts paid or charged by the pharmacy benefits manager.