Academic medical centers & practice
Association of American Medical Colleges — The AAMC represents all 132 accredited U.S. and 17 accredited Canadian medical schools, approximately 400 major teaching hospitals and health systems, including 68 Department of Veterans Affairs medical centers; and nearly 90 academic and scientific societies.
Virtual Hospital — Patient information on a variety of topics.

Clinical and coding
American Academy of Professional Coders — The nation’s largest medical coding training and certification organization, with more than 93,000 medical coders and auditors.
American Health Consultants — Links to published articles, forums, conferences, online CME.
Clinical Trials — is a registry of federally and privately supported clinical trials conducted in the United States and around the world.
Cyberounds — Interactive conferences moderated by distinguished academics, available only to medical professionals.

Free Medical Journals — Free access to medical journals.
Health Forum — Health Forum was created in the fall of 1998 through the union of The Healthcare Forum and the American Hospital Association’s publishing and data and information subsidiaries. Contains online access to health journals and other areas of interest.
Electronic International Classification of Disease   — Medical procedure and diagnosis codes. ICD-10, ICD-9-CM and HCPCS.

Internet Medical Terminology Resources — Collection of annotated links to internet resources providing a general view of what is accessible and available online in the field of Medical Terminology.

JustCoding.Com — Provides coders, coding supervisors, and health information management (HIM) directors with educational resources to test their coding knowledge, employ correct coding guidelines, and stay abreast of CMS transmittals.
Martindale’s Health Science Guide — “Virtual Medical Center” with resources on various specialties.
Medscape — WebMD news portal and database.
National Library of Medicine — NIH library site with databases, practice guidelines and other useful resources.
Virtual hospital — Patient information on a variety of topics.

Computers & information systems
Health Data Management Information portal with emphasis on data management. Free registration to view HDM magazine.

Healthcare Information and Management Systems Society — Organization emphasizing the optimal use of information technology (IT) and management systems in healthcare.
Telemedicine Information Exchange, Telemedicine Research Center — Comprehensive information portal for telemedicine.
American Telemedicine Association — Telemedicine conferences, news and resources

Financial management
Electronic Data Interchange (EDI) — The Workgroup for Electronic Data Interchange website . practical strategies for reducing administrative costs in healthcare through the implementation of EDI of electronic data interchange (EDI).
Healthcare Financial Management Association — Membership organization for healthcare financial management executives and leaders.
Healthcare Expenditures — Bureau of Labor Statistics site with healthcare expenditures, CPI, and more.

Government relations & legal issues
Agency for Healthcare Research and Quality — Tools and guidelines for quality healthcare.
American Society of Law, Medicine & Ethics — Multidisciplinary research organization addressing issues in healthcare law, ethics and patient care.
Census information: US Bureau of the Census — offers useful statistics and complete demographic reports.
Centers for Disease Control — Up to date statistics and data on diseases, accidents, infection control, and preventive medicine.
Code of Federal Regulations (CFR)
Consumer Price Index — News, CPI and other employment stats.

Department of Health & Human Services (DHHS) — News, policy updates and info.

Federal Register & Congressional Record
Library of Congress Site
House of Representatives
GPO Access
FindLaw — Searchable law database and portal. — Official US Government portal with search tools and government agency directory.
Food and Drug Administration — News, safety alerts and drug approvals.

Centers for Medicare and Medicaid Services (CMS) — Comprehensive site for Medicare and Medicaid resources.
Health Hippo — A collection of policy and regulatory material specific to health care.
MGMA’s Healthcare Reform and Resource Center — MGMA resources on Obama’s healthcare reform.
National Center for Health Statistics — The nation’s principal health statistics agency.
National Conference of State Legislatures (NCSL) — Directory of state legislature resources.
National Institutes of Health — National health research agency with news, directory and clinical trials.
National Library of Medicine — Access to Medline Plus, NLM Gateway, practice guidelines and other resources.

Office of the Inspector General (OIG), Department of Health and Human Services — Resources on compliance and Medicare fraud.
OSHA Standards — Information on OSHA regulations

Part B News the leading, independent source of Medicare analysis, expert guidance and news for physician practices.
Regsource —Directory of Regulatory resources
US House of Representatives
US Senate

Hospital organizations 
American Hospital Association — AHA portal.
American Hospital Directory — The American Hospital Directory® provides online data for over 6,000 hospitals. Information about hospitals is built from both public and private sources including Medicare claims data (MedPAR and OPPS), hospital cost reports, and other files obtained from the federal Centers for Medicare and Medicaid Services (CMS).
Association of American Medical Colleges — Medical school resources.

Human resources
Bureau of Labor Statistics — Bureau of Labor Statistics site with healthcare expenditures, CPI, and more.
US Department of Labor — Information on regulations and employment.
HRIMMall — Human resource management web site for HR articles, news, and jobs. Tools to make HR management and human resource administration easier.
Jobstar — Job search site with links to free salary surveys.
Occupational Safety and Health Administration (OSHA) — OSHA standards and compliance. — Basic salary search by profession and zip code.
Society for Human Resource Management — News, articles and directory of HR resources
Workforce Online — Articles from Workforce Management.

Internet search tools specific to health care
MedMark — Large directory of links to medical schools, hospitals, organizations etc.
Medical Matrix — Ranked and peer reviewed medical websites.

Managed care & integration
American Association of Health Plans — America’s Health Insurance Plans (AHIP) is the national association representing nearly 1,300 member companies providing health insurance coverage to more than 200 million Americans.
Integrated Healthcare Association (IHA) — Association advocating quality improvement, accountability and affordability of healthcare in California.

Interstudy— Interstudy offers databases on healthcare plans, markets and managed care.
Managed Care Daily Briefing — News and articles on capitation and compensation issues.
The Managed Care Information Center — A managed care industry market research archive of the most importantdevelopments over three years: details on mega mergers and acquisitions, key MCO trends, statistics, results of research, industry studies, and surveys.
Managed Care Online — Managed care news and links
National Association of Managed Care Physicians — Managed Care resources for physicians.

Medical records
American Health Information Management Association — Health information management (HIM) professional association
Healthcare Information and Management Systems Society —Healthcare IT organization

Mid-level providers & allied health care
Midwifery Information — Links and resources on Midwifery.
American College of Nurse Midwives — Includes midwife search by zip code.
American Academy of Physician Assistants — Resources for PAs
Nursing: Association of Operating Room Nurses (AORN) — News, articles and resources for nurses.
NursingWorld — American Nurses Association news and links.

Patient education & consumer health
Health Central — Consumer health information
Healthfinder: Consumer Health Information — U.S. Department of Health and Human Services guide for healthy living.
Netwellness — Non profit consumer information website with news, articles, Q&A, newsletter etc.

Patient safety
American Hospital Assocation’s Quality and Patient Safety — Safety articles and resources.

AHRQ Medical Errors & Patient Safety Research Page — Tools, resources, primers and journals on preventing medical error.

National Patient Safety Foundation — Patient safety advocacy group.

Physicians & medical directors
American College of Physician Executives — Professional association for physician executives and medical directors.
AHA Health Forum — Online publications, resources, and news
American Medical Association — Official AMA website with links and resources.
Federation of State Medical Boards — National non-profit organization representing the 70 medical boards of the United States and its territories.

Practice management & health administration
AHA Health Forum — Online publications, resources, and news
Center for Health Administration Studies — CHAS focuses on emerging research in the area of health with particular focus (and expertise) in health care and health policy for disadvantaged populations.
Electronic Data Interchange (EDI) — Official site for the Workgroup on Electronic Data Interchange
Health-Connection — Comprehensive health related directory.
Modern Healthcare —  Free basic access to issues with registration.
National Rural Health Association — Association for physicians in rural and remote areas.  — National medical coding training and consulting firm. Specializng in ICD-9, CPT, HCPCS outpatient (physician) training and auditing.
Toolbox for Managers & Administrators — This Guide provides 16 pages of articles, information and resources pertinent to health administrators and medical professionals.

Quality, practice guidelines, outcomes
See also the specialty sites for specialty specific guidelines and outcomes information.
Accreditation Association for Ambulatory Health Care — Resources on AAAHC accreditation.
Agency for Health Care Research and Quality (AHRQ) — Practice guidelines and resources.

American Society for Quality — General organization for professional quality.
American Productivity & Quality Center —  Benchmarking and best practice research.
Brown-Spath & Associates, Online Source for Healthcare Quality — Contains directory of free online resources.
Center for Outcomes Research — Provides confidential reports for comparing physician practices to overall performance standards.
Institute for Healthcare Improvement — Resources on improving medical practices and clinics.
Joint Commission on Accreditation of Healthcare Organizations — Offers accreditation and certification based on performance standards.
Medical Outcomes Trust — The Medical Outcomes Trust is a not for profit organization dedicated to improving health and health care by promoting the science of outcomes measurement.
National Association for Healthcare Quality — Quality, benchmarking, performance standards and practice guidelines.
National Committee on Quality Assurance (NCQA) — Healthcare quality organization offering accreditation.
National Forum for Healthcare Quality Measurement and Reporting — Non-profit membership organization evaluating consensus standards on performance.
National Guideline Clearinghouse — A public resource for evidence-based clinical practice guidelines.
National Patient Safety Foundation — AMA sponsored organization advocating patient safety.
Radiology Society of North America (RSNA) — Quality page has several resources for radiologists.

RAND Health Sciences Program— Rand Health database and research.

Specialty societies
American Academy of Allergy, Asthma & Immunology
American College of Allergy, Asthma & Immunology
American Academy of Dermatology
American Academy of Family Physicians
American Academy of Ophthalmology
American Academy of Orthopaedic Surgeons
American Academy of Pediatrics
American College of Cardiology
American College of Emergency Physicians
American College of Gastroenterology
American College of Physicians
American College of Surgeons
American Geriatrics Society
American Psychiatric Association
American Society of Anesthesiologists
American Society of Plastic and Reconstructive Surgeons
American Urological Association
Association of Community Cancer Centers

Obstetrics and gynecology
American College of Obstetricians & Gynecologists

Radiology and laboratories
American College of Radiology
American Healthcare Radiology Administrators
American Pathology Foundation —A non-profit professional society devoted to the business and management of pathology.
College of American Pathologists

Lab Explorer — Web portal for laboratory staff.
National Committee for Clinical Laboratory Standards — Nonprofit, standards-developing organization that promotes the development and use of voluntary consensus standards and guidelines within the health care community.
Radiology Society of North America (RSNA)
Telemedicine Information Exchange, Telemedicine Research Center —  Comprehensive information portal for telemedicine.