He confirmed he has asked Labour's Ann Clwyd, MP for the Cynon Valley, to examine how NHS hospitals could deal with complaints better in future.
In December, she criticised the care given to her late husband at Cardiff's University Hospital of Wales.
More top news
Andrea Byrne presents the first episode of the new series Helimeds which follows the Welsh flying medics.
Variable cloud and clear spells overnight with isolated showers mainly in the north.
Becoming drier and brighter from the northwest during the day, but with the risk of scattered, locally heavy, showers developing later.