From UHC EDC Medicare Solutions Agent Guide (Version 2.3 Dated 2/5/2016) Page 99:
According to the Medicare Marketing Guidelines Section 120.6:
However, if Plans/Part D Sponsors use licensed agents/brokers (employed or contracted) as customer service representatives, they cannot act as both a customer service representative and a sales/marketing agent/broker.
Agents cannot use UnitedHealthcare consumer websites to enroll their prospects into UnitedHealthcare plans.
Medicare allows licensed agents to assist in enrollment as long as they are acting as a customer service representative