Dr. David Gill, who has run unsuccessfully for Congress five times announced Tuesday that he’ll make a sixth try against Rep. Rodney Davis.

Gill, an emergency medicine physician, is seeking the Democratic nomination in Illinois’ 13th District against Republican Rep. Rodney Davis.

In 2012, the Bloomington doctor lost by 1,002 votes to Davis (46.5 percent to 46.2 percent), the second-closest House race in the country that year.

Gill’s last bid for a congressional seat was in 2016, in which he tried to run as an independent but was removed from the ballot by the U.S. Court of Appeals in Chicago for not having enough signatures.

“I’ve made no secret of my differences with Democratic party leadership in the past. But the emergency we now face, with a President such as Donald Trump, is a true threat to our republic. Our country needs members of Congress to stand up against the Trump agenda, and I intend to do so,” Gill said in a statement on his website.

Responding to Gill’s announcement, Davis spokeswoman Ashley Phelps said the three-term congressman was more interested in issues in Washington, D.C., than politics in his district.

“Congressman Davis has always welcomed a healthy debate on the issues, but we’re roughly 20 months from the next general election and he’s focused on governing,” Phelps said to the News-Gazette.

Two other Democrats who are considering a run brushed off Gill’s announcement.

Rep. Carol Ammons, D-Urbana, said she has supported in Gill in the past, but is still looking into running in 2018. And State Sen. Andy Manar, D-Bunker Hill, said he is busy with getting a bipartisan budget passed in Springfield.

Gill, 57, also has ran for Congress in 2004, 2006, and 2010 and served as an assistant director of the Illinois Department of Public Health under former Gov. Pat Quinn in 2014.