Association of American Medical Colleges (AAMC)
Agency for Health Care Administration (AHCA)
American Hospital Directory - Without subscribing to the for-fee service, this site provides free hospital look-up with basic statistics.
Best Hospitals - US News and World Reports
Centers for Medicare and Medicaid Services
DocInfo.org reports on physician disciplinary actions for a fee.
Federation of State Medical Boards
HealthGrades - Grades the performances of hospitals, physicians, health plans, nursing homes and other health care facilities.
JCAHO Quality Check
Joint Commission on Accreditation of Healthcare Organizations
Liaison Committee on Medical Education (LCME)
NCQA - NCQA is an independent, non-profit organization whose mission is to evaluate and report on the quality of the nation’s managed care organizations.
Pennsylvania Department of State Bureau of Professional and Occupational Affairs License Verification
Hospital Compare from Health and Human Services
HealthSTAR/Ovid Healthstar : citations to the published literature on health services, technology, administration, and research.
Hoover's provides company and industry information.