Millions are expected to lose their employer-based healthcare coverage over the next decade.
Tens of millions of Americans will soon get expanded access to treatment.
Insurers will be required to treat mental illness and addiction the same as physical ailments.
Families with flexible spending accounts will be allowed to carry over as much as $500.
Wall Street will be tracking the grand opening as traders place their bets on which insurers and hospitals will benefit.
The largest U.S. drugstore chain is planning to move its employees into a private healthcare exchange similar to the marketplaces created by ObamaCare, according to reports.
The decision from Walgreens comes as several major companies are altering the way they administer health benefits in response to rising costs.
IBM and Time Warner have said they will shift retirees into private exchanges, while Trader Joe's is planning to move part-time workers into the public marketplaces created by the healthcare law.
The world's largest retailer announced it will allow employees' partners to receive health benefits under its insurance plans.