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How doctors and hospitals have collected billions in questionable Medicare fees

By Fred Schulte and David Donald

About the 'Cracking the Codes' project

By The Center for Public Integrity

Methodology for 'Cracking the Codes'

By David Donald

Judgment calls on billing make 'upcoding' prosecutions rare

By Fred Schulte

Manipulating Medicare in the election season

By Gordon Witkin

Federal panel advises against prostate cancer screen for men

By Gordon Witkin

HHS IG report highlights docs' questionable billing of Medicare

By Fred Schulte

Options for cervical cancer check depend on age

By The Associated Press

Is Michael Jackson's doctor disqualified from Medicare? Or are two senators mistaken?

By Joe Eaton

Michael Jackson's doctor, other convicted felons, still listed as Medicare providers

By Joe Eaton

Report says a quarter of hospitalized Medicare patients got improper treatment

By Alexandra Duszak

Digital mammography no better than film for most women, despite increased costs

By Joe Eaton

Debate rages over cancer screening

By Joe Eaton

Forty percent of Medicare spending on common cancer screenings unnecessary, probe suggests

By Rochelle Sharpe and Elizabeth Lucas

Research methodology

By David Donald and Elizabeth Lucas