The roll-back of an Obama-era regulation could leave transgender patients at risk of health care discrimination.

Len Meyer knows what it's like to fight a health insurance company for coverage.

Meyer, who is nonbinary and transgender, spent more than six months battling an insurance company to cover a double mastectomy. The company claimed the procedure wasn't medically necessary, and denied it three times before the insurer agreed to cover it in 2015, Meyer said.

"It was really frustrating," said Meyer, 47, of Bloomington, Ill. "For me to feel like I was my true, authentic self, having that surgery really made a change for me."

More transgender individuals may find themselves confronting similar obstacles to care if the Trump administration finalizes a proposal to roll back a regulation of the Affordable Care Act that prohibits