In general the biggest difference between ppo vs. It offers certain flexibilities that health maintenance organizations do not. AliaPOS (AP1500W) Point of sale system Get an expat quote today. Pos health insurance meaning . There are many more details you'll want to compare, as well. In general, the three types of plans are exclusive provider (epo) network, preferred provider (ppo) network, and point of service (pos) network. Get an expat quote today. Get free quotation & buy online now! Plans may vary, but in general, pos plans are considered a combination of hmo and ppo plans. Reviewed on november 16, 2011 / 0 reviews. Over 1 million hospitals, clinics and physicians worldwide. But like a ppo, patients may go outside of the provider network for health care services. Updated on october 24, 2020. How does a pos plan work?. These plans differ by cost and types of coverage provided. Do you need to find affordable health insurance. Employees...