TRICARE: Health Benefits Advisor- Oceana is located at 1550 Tomcat Blvd. Suite 150, Virginia Beach, VA 23460. TRICARE: Health Benefits Advisor- Oceana can be reached by their main phone number at (757) 953-3881. Alternatively, you can reach TRICARE: Health Benefits Advisor- Oceana by phone at (757) 953-3882. The listed DSN line is 377-3881. Visit the TRICARE: Health Benefits Advisor- Oceana website by clicking here.