Here are three deals involving health plans that have been announced since the last week in February:
1. Highmark and HealthNow New York officially completed their affiliation, making Highmark the fourth largest Blue plan in the U.S.
2. Evernorth, Cigna's health services business, entered into a definitive agreement to acquire telehealth company MDLive.
3. UnitedHealth subsidiary Optum signed a definitive agreement to acquire Atrius Health, a 715-physician group based in Newton, Mass.