On Wednesday, Time's managing editor Nancy Gibbs revealed the winner on NBC's "Today". The magazine had announced the final eight candidates on Monday.
"These men and women did the hard and dangerous work in treating patients and protecting the rest of us," Gibbs said, appreciating the fighter for demonstrating an "exceptionally great amount of courage and kindness and bravery."
Honouring the winners, the magazine will have five different cover pages this time, featuring two doctors, a nurse, an ambulance driver and a health care worker.
Other personalities who reached the final round of the race included Russian President Vladimir Putin, singer Taylor Swift, NFL commissioner Roger Goodell, Apple CEO Tim Cook and President of the Kurdistan Region in Iraq Massoud Barzani.
The protestors in Ferguson, Missouri, were also considered for the title.
Time's Person of the Year is chosen by the magazine's editors. The title is awarded to an individual or group of individuals.
Previous winners include Pope Francis and Facebook CEO Mark Zuckerberg.
Indian Prime Minister Narendra Modi won the 2014 reader's poll, the magazine had announced on Monday.