• The American Dental Association (ADA)'s Find a Dentist allows the public to search the ADA membership directory.
  
  
• The Maryland State Dental Association (MSDA)'s Find A Dentist allows the public to access the MSDA's database of practicing dentists in Maryland.

• AMA DoctorFinder provides information on licensed physicians in the United States and its possessions. The site is provided by the American Medical Association.



• The American Board of Medical Specialties (ABMS) provides information on board certification status, location by city and state and specialty of any physician certified by one or more of the 24 Member Boards of the ABMS. Registration is required.



• Use the Maryland Board of Physicians' site to verify a physician's license.
  
  
• For additional information, try the directories in MedlinePlus.

• The Maryland Department of Health and Mental Hygiene (http://www.dhmh.state.md.us) provides a listing of county health departments.

• Find a Hospital (http://apps.nlm.nih.gov/medlineplus/directories/index.cfm) provides information on over 6,000 hospitals in the United States, including driving directions. (The information from Find a Hospital is derived from the annual American Hospital Association (AHA) survey of hospitals and licensed by the National Library of Medicine.)
  
  
• The Association of Academic Health Centers (http://ahcnet.org/about/members/index.php) provides links to the web pages of over 100 academic health centers.
  
  
• Directory of Information Resources Online (DIRLINE) (http://dirline.nlm.nih.gov/) contains location and descriptive information about a wide variety of information resources including organizations, research resources, projects, and databases concerned with health and biomedicine.
  
  
• Quality Check from the Joint Commission on Accreditation of Healthcare Organizations is an online directory of healthcare organizations.

For additional information, try the directories in MedlinePlus.