Doctors, hospitals, bone banks--quality control (USA)
Healthgrades (research hospitals and physicians)
The Health Plan Employer Data and Information Set (HEDIS®)

Joint Commission on the Accreditation of Healthcare Organizations
The Leapfrog Group for Patient Safety--Hospital Survey Results
American Association of Tissue Banks (info on banked bone)
American Physical Therapy Association--Consumer Information
AHRQ: Agency for Healthcare Research and Quality, U.S. Dept. Health and Human Services
AAOS Department of Research and Scientific Affairs--Information about Joint Replacement
Ten Questions to Ask Your Doctor, by David Murdoch, from Frontline: Dr. Solomon's Dilemma
Medicare: CMS Needs Additional Authority to Adequately Oversee Patient Safety in Hospitals: GAO-04-850
CMS: Center for Medicare and Medicaid Services
Alliance for Human Research Protection
How to Select a Joint Replacement Surgeon
  (from Arthritis of the Hip and Knee: The Active Person's Guide to Taking Charge)
American Nuclear Society: Radiation Dose Chart
United Policyholders (UP)--Health Insurance Claims
  "Since 1991, UP has been helping insurance policyholders understand their rights and get fair claim settlements."
ADA Home Page
  Information and Technical Assistance on the Americans with Disabilities Act
Social Security Online: Disability & SSI
California Hospital Free and Discount Payment Programs