Erhardt Preitauer has been named executive director of 'Ohana Health Plan, one of two health plans selected to provide managed care under the QUEST Expanded Access Medicaid program for Hawaii residents who are at least 65 years old or have disabilities.

Preitauer, a native of Kaua'i, most resently served as vice president of business operations for United Retiree Solutions. James H.T. Tan was appointed 'Ohana's senior medical director.

'Ohana Health is a unit of WellCare Health Plans Inc., a Tampa, Florida-based company that now serves more than 1,600 Medicare members in Hawai'i.