el doctor le aconsejó

the doctor advised him/her

→ el
phrase Rare #48,508
the doctor advised him/her Le refers to the person receiving the advice. This phrase is commonly followed by que plus the subjunctive, or by an infinitive: El doctor le aconsejó que dejara de fumar; El doctor le aconsejó no fumar.
SP: El doctor le aconsejó que descansara más.
EN: The doctor advised him to get more rest.

El doctor le aconsejó no fumar.

The doctor advised him not to smoke.

El doctor le aconsejó a mi padre que dejara de fumar.

The doctor advised my father to quit smoking.

El doctor le aconsejó hacer más ejercicio.

The doctor advised him to exercise more.

El doctor le aconsejó al Sr. White no fumar mucho.

The doctor advised Mr. White not to smoke too much.