In the fall of 1968, Donald J. Trump received a timely diagnosis of bone spurs in his heels that led to his medical exemption from the military during Vietnam.
For 50 years, the details of how the exemption came about, and who made the diagnosis, have remained a mystery, with Mr. Trump himself saying during the presidential campaign that he could not recall who had signed off on the medical documentation.
Now a possible explanation has emerged about the documentation. It involves a foot doctor in Queens who rented his office from Mr. Trump’s father, Fred C. Trump, and a suggestion that the diagnosis was granted as a courtesy to the elder Mr. Trump.
The podiatrist, Dr. Larry Braunstein, died in 2007. But his daughters say their father often told the story of coming to the aid of a young Mr. Trump during the Vietnam War as a favor to his father.
“I know it was a favor,” said one daughter, Dr. Elysa Braunstein, 56, who along with her sister, Sharon Kessel, 53, shared the family’s account for the first time publicly when contacted by The New York Times.
Elysa Braunstein said the implication from her father was that Mr. Trump did not have a disqualifying foot ailment. “But did he examine him? I don’t know,” she said.
“What he got was access to Fred Trump,” Elysa Braunstein said. “If there was anything wrong in the building, my dad would call and Trump would take care of it immediately. That was the small favor that he got.”
No paper evidence has been found to help corroborate the version of events described by the Braunstein family, who also suggested there was some involvement by a second podiatrist, Dr. Manny Weinstein. Dr. Weinstein, who died in 1995, lived in two apartments in Brooklyn owned by Fred Trump; city directories show he moved into the first during the year Donald Trump received his exemption.
.. Beginning in October 1968, records show, Mr. Trump had a 1-Y classification, a temporary medical exemption, meaning that he could be considered for service only in the event of a national emergency or an official declaration of war, neither of which occurred during the conflict in Vietnam. In 1972, after the 1-Y classification was abolished, his status changed to 4-F, a permanent disqualification.
The doctor’s daughters said his role in Mr. Trump’s military exemption had long been the subject of discussions among relatives and friends.
“It was family lore,” said Elysa Braunstein. “It was something we would always discuss.”
She said her father was initially proud that he had helped a “famous guy” in New York real estate. But later, her father, a lifelong Democrat who had served in the Navy during World War II, grew tired of Donald Trump as he became a fixture in the tabloid gossip pages and a reality television star, she said. The daughters, both Democrats, say they are not fans of Mr. Trump.
.. Mr. Trump has had a complicated relationship with the military, having quarreled with the likes of Senator John McCain, a prisoner of war during Vietnam; the parents of a slain soldier; and the architect of the Osama bin Laden raid, even while speaking during campaign rallies about his enthusiastic support for veterans and the armed forces. He has also been critical of people who have been less than forthright about their Vietnam records. Earlier this month, he chided Senator Richard Blumenthal, Democrat of Connecticut, over misleading statements he made years ago about his own Vietnam record, calling him “Da Nang Dick” on Twitter.