 Total membership at Highmark Wholecare, formerly Gateway Health, surpasses 410,000 as a result of new HealthChoices contract implementation PITTSBURGH, Jan. 11, 2023 PRNewswire The recent implementation of the new Pennsylvania HealthChoices Physical Health contract has resulted in Highmark Wholecare, formerly Gateway Health, increasing its Medicaid membership by nearly 25 percent to more than 375,000 members. Total ...... 