 BALTIMORE, Feb. 11, 2022 PRNewswire -- Medifast, Inc. NYSE: MED, the global company behind one of the fastest-growing health and wellness communities, OPTAVIA, will announce financial results for the fourth quarter and full year ended December 31, 2021 on Wednesday, February 23, 2022, after market close. The Company will host a conference call to discuss the results with additional comments and details. 