A 16-month-old Minnesota girl fighting T-cell leukemia received urgent specialized treatment at Cincinnati Children’s Hospital after her family’s insurance denied coverage for a medical flight, prompting billionaire Mark Cuban to step in and cover the cost.
Stella McMahon, diagnosed with the rare cancer at just 4 months old, had been battling persistent fevers above 104 degrees for nearly a month, along with liver complications while immunocompromised. Her oncologist recommended participation in a federally funded study at Cincinnati Children’s Hospital involving a transfusion of genetically modified T-cells. The treatment itself was covered, but the emergency medical transport from Minneapolis Children’s Hospital was not.
Her mother, Alexandria McMahon, recorded a call with the insurance company documenting the denial and posted it on TikTok. The video went viral within about 12 hours. Dr. Warris Bokhari, who runs Claimable — a company associated with Cuban focused on insurance appeals — reached out after Cuban saw the post. Within roughly 48 hours, a chartered medical flight was arranged and paid for, transporting Stella and her family to Cincinnati for the procedure and back to Minneapolis. The round trip occurred in recent days prior to March 26, 2026.
@stella.v.cancer Thank you 🙏❤️‼️🎗️ Thank you, Warris. Our magical coordinator, who runs @Claimable Helps You Appeal 👌, and works closely with @Mark Cuban. He remained in contact with me after giving us the resources to fly to Cincinnati with a wonderful medical team. Not only did he show us incredible empathy, kindness and resourcefulness - he saved Stella. A debt I can never repay, but I can carry this kindness with me and pay it forward every opportunity I get 🙏❤️🎗️ #claimable #markcuban #sharktank #insurance #fcancer ♬ A Moment Apart - ODESZA
Stella remained based at Minneapolis Children’s Hospital and was not admitted as an inpatient in Cincinnati due to her condition and medical equipment needs. Following the transfusion, she showed initial signs of improvement, including reduced jaundice, though fevers continued and doctors noted results from the study could take five to seven days.
No injuries, fatalities or other complications from the travel were reported. The story highlights challenges families face with insurance denials during medical emergencies and the role of rapid private intervention.
The incident drew widespread attention on social media, with McMahon expressing gratitude for the swift assistance. Claimable also offered support for appealing the insurance decision afterward.
The event has no direct impact on North Texas communities but resonates locally given Cuban’s business ties in the region through ventures like the Dallas Mavericks. It underscores ongoing discussions about healthcare access and insurance processes.
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Stella McMahon, diagnosed with the rare cancer at just 4 months old, had been battling persistent fevers above 104 degrees for nearly a month
