泌 is read bì in his name, as in the county 泌阳. Elsewhere it is usually mì, as in 分泌 'to secrete'.
history
The idiom 一见如故 is first recorded of his meeting with the poet 顾况, whom he greeted like an old friend. He served four Tang emperors, often as an adviser who turned down office, and became chief minister in 787.
