Reliever Sean Doolittle, who along with his wife has worked with Syrian refugees and military veterans and supports gay rights, did not the event. Also among those not listed as being in attendance Monday are National League MVP candidate Anthony Rendon, outfielders Victor Robles and Michael A. Taylor, and pitchers Joe Ross, Javy Guerra and Wander Suero.
Of the 25 players on Washington's World Series roster, 18 were in attendance. Principal owner Mark Lerner was the only member of the ownership group listed as attending.
Trump applauded the team's first title in franchise history, calling it a "comeback story for the ages" and predicting it will be the first victory of many. He singled out World Series MVP Stephen Strasburg, NLCS MVP Howie Kendrick and others.
HOUSTON, TEXAS - OCTOBER 30: Manager Dave Martinez #4 of the Washington Nationals hoists the Commissioners Trophy after defeating the Houston Astros 6-2 in Game Seven to win the 2019 World Series in Game Seven of the 2019 World Series at Minute Maid
Catcher Kurt Suzuki donned a "Make America Great Again" hat during the half-hour ceremony, and first baseman Ryan Zimmerman thanked Trump for keeping the country safe and making it the greatest on earth before presenting Trump with a No. 45 Nationals jersey.
Despite those moments and the president referencing impeachment, the Nationals' visit did not have as much political undertone as when the 2018 champion Boston Red Sox were honored by Trump but without manager Alex Cora, who did not attend that ceremony after citing his frustration with the administration's efforts to help his native Puerto Rico recover from a devastating hurricane.
Washington manager Dave Martinez, whose parents are Puerto Rican, was in attendance and made some brief remarks.
The Nationals' White House visit was the latest stop on their whirlwind victory tour around the nation's capital after coming back from a 3-2 series deficit to beat the Houston Astros in Game 7 last week. The team parade down Constitution Avenue on Saturday and celebrated at the Washington Capitals hockey game Sunday night.
Historically, championship sports teams are invited to visit the White House by the president, but a polarized political climate has complicated the tradition.
The 2017 Houston Astros visited the White House in March 2018 minus Puerto Rican shortstop Carlos Correa.
Trump has sparred with professional athletes over White House visits and invitations.
Earlier this year NBA star Stephen Curry said his championship-winning Golden State Warriors declined to meet with Trump.
The feud erupted as Trump was lambasting NFL athletes for kneeling in protest during the national anthem.
The University of Virginia men's basketball team said earlier this year it could not agree on a date for a visit.
Trump hosted the Air Force Academy football team at the White House for a Commander-in-Chief's trophy ceremony in May and the champion Clemson Tigers football team in June.