This series highlights how UnitedHealth Group wields its unrivaled physician empire to boost its profits and expand its influence.

Reporters Casey Ross, Lizzy Lawrence, Bob Herman, and Tara Bannow spent months interviewing sources and reviewing documents to deliver this unrivaled look into the biggest and most consequential U.S. health care company.

Explore the Health Care’s Colossus series

Part 1

How UnitedHealth harnesses its physician empire to squeeze profits out of patients

Part 2

How UnitedHealth turned a questionable artery-screening program into a gold mine

Part 3

UnitedHealth pledged a hands-off approach after buying a Connecticut medical group. Then it upended how doctors practice

Part 4

Inside UnitedHealth’s strategy to pressure physicians: $10,000 bonuses and a doctor leaderboard

Part 5

UnitedHealth pays its own physician groups considerably more than others, driving up consumer costs and its profits

Part 6

Lawmakers call for curbs on UnitedHealth’s growing empire

Video

Inside STAT’s investigation of UnitedHealth

More coming soon

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