Unlike HMOs, PPOs don’t require you to elect a primary care physician or obtain a referral to see a specialist. HMO networks ...

Employees can access Aetna Health Maintenance Organization (HMO) Plans provide a high-quality network of doctors and hospitals and allows members to enjoy the freedom to choose from a variety of care ...

With most HMO plans, a person typically needs to choose a primary care physician to look after their general healthcare. Specialist visits usually require a referral. However, some services do not ...