The National Hockey League and NHL Enterprises, L.P., are facing a new federal lawsuit from a former employee alleging disability discrimination and retaliation for requesting accommodations related to her medical conditions.

Grace Dickerson, a onetime executive assistant for the professional sports league, claims the NHL subjected her to disparate treatment, a hostile work environment, and constructive discharge due to her disabilities— generalized anxiety disorder, major depressive disorder, irritable bowel syndrome, and complex post-traumatic stress disorder.

She asserts that after requesting modest accommodations like remote work flexibility, the NHL delayed action, provided insufficient accommodations, and ultimately pressured her to resign during …