A suspected drunken driver hit three parked cars in Stony Brook before crashing into a medical office on Tuesday afternoon, Suffolk police said.

The driver, Susan Kelly, 54, of Stony Brook, was not injured, but two people in a doctor's waiting room had minor injuries after being hit by ceiling and wall debris, police said.

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The Acura sport-utility vehicle first crashed into two cars, causing major damage, in the parking lot of Stony Brook Medical Park, 2500 Nesconset Hwy., shortly after 3 p.m., police said.

The SUV then hit another parked car closer to the building before it crashed into the office, according to police. A couple in their 60s was taken to Stony Brook University Hospital for treatment, police said.

Kelly was charged with driving while intoxicated and third-degree reckless assault, police said. She is scheduled to be arraigned Wednesday.