422.574—Parties to the organization determination.
The parties to the organization determination are—
(b)
An assignee of the enrollee (that is, a physician or other provider who has furnished a service to the enrollee and formally agrees to waive any right to payment from the enrollee for that service);
(d)
Any other provider or entity (other than the MA organization) determined to have an appealable interest in the proceeding.
[63 FR 35107, June 26, 1998, as amended at 75 FR 19812, Apr. 15, 2010]