Michael Lohan (Valerie Macon/Getty Images)

Lohan, the father of embattled actress Lindsay Lohan, was hospitalized Thursday after he complained of chest pains, TMZ reported. During his surgery, a stent will be placed in one his arteries and a blood clot removed from his lung.

The 51-year-old is currently in court-ordered treatment after pleading no contest to domestic violence charges. His spokeswoman told Reuters he was not receiving his heart and blood pressure medications at the facility.