They demanded information about her diagnosis and inpatient stay justification.
Dr. Potter will not be silenced by UnitedHealthcares attempts to threaten and harass her, Underwood has said.
Potters Instagram video remains up on the platform, where it has received more than 350,000 likes.
United Healthcare’s corporate headquarters in Minnetonka, MinnesotaStephen Maturen/Getty Images
Elsewhere, UnitedHealth took measures to prevent the dissemination of internal data about its denials of customer claims.