(CNN) Tom Coburn, a former US congressman from Oklahoma and obstetrician, died at his home Saturday, according to a statement from his family. He was 72.

Coburn, a Republican dubbed " Dr. No " by his Democratic colleagues, was a staunch fiscal and social conservative who battled lawmakers over money for pet projects in their home states and fought for anti-abortion legislation throughout his career. He served in the US Senate from 2005-2015, after having been a member of the US House of Representatives from 1995-2001.

A doctor who specialized in obstetrics and family practice, Coburn continued to see patients while he served in Congress.

"Tom A Coburn, MD, beloved husband, father and grandfather, passed away peacefully at home this morning surrounded by his family," his family said in a statement. "Because of his strong faith, he rested in the hope found in John chapter 11 verse 25 where Jesus said, 'I am the resurrection and the life. The one who believes in me, will live, even though they die.' Today he lives in heaven."

A memorial service for Coburn will be held at a later date and will be announced, the family said.

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