SMITHTOWN - A woman was killed in a two-car collision in Smithtown early Saturday morning, and police have charged a man with DWI in the crash.

Police say Thomas Stavola was heading north on Route 111 in a 2013 Audi when he struck a 2009 Mercedes driven by 45-year-old Monica Peterman, of Middle Island. Peterman had been heading west on East Main Street when her car was struck.

Peterman was taken to St. Catherine of Siena Medical Center in Smithtown, where she was pronounced dead.

Stavola, 54, of Setauket, was taken to Stony Brook University Hospital with minor injuries, police say.

Peterman’s family says she was a nurse on her way to St. Catherine's to start her work day at 4 a.m. She was a mother of three boys and a grandmother.

Stavola is a cardiologist who is listed online to have worked at John T. Mather Memorial Hospital in Port Jefferson, as well as Stony Brook University Hospital.

Suffolk police have charged Stavola with driving while intoxicated. He is scheduled to be arraigned on Sunday.

Detectives are asking anyone with information on the crash to call 631-852-6555.