Baker, who lives on the 33rd floor of a high-rise building on 43rd Street between Ninth and Tenth Avenues, first got his family out of harm's way when he remembered his neighbor who uses a walker.
Baker said he pounded on the woman's door before he tried opening it.
"I opened the door. I was surprised to find it open and there was flames everywhere; smoke coming out at me, so I had to slam the door. I had to slam the door," Baker said. "I yelled again. I didn't hear anything."
Firefighters found the woman insider her apartment -- as of late Tuesday, the woman was in serious condition.