Blue Cross Blue Shield of Delaware (BCBSD) offers 10 reasons why their health insurance plan is a good choice: 1) They are the largest and most trusted provider in Delaware with 75 years of experience. 2) They have the largest provider network in the state. 3) Their BlueCard network provides coverage across the U.S. 4) They offer innovative wellness programs and care management for conditions like asthma and diabetes. 5) They receive high ratings and accreditation for quality healthcare.