• The American Cancer Society has a Directory of Healthcare Professionals on its site that links to searchable directories on the sites of various professional medical organizations.

• The National Cancer Institute (NCI) provides information about doctors who practice at NCI Cancer Centers throughout the country. A fact sheet available on the institute's site gives contact information for these centers. Many of the centers’ websites have searchable directories of physicians who practice at each facility.

• The American Society of Clinical Oncology provides an online database of 15,000 doctors throughout the world who are members of the society. Search by the doctor’s name, the institute where they practice, location, or type of board certification.

• The American Board of Medical Specialties has a list of doctors that have met specific education and training requirements. Its directory of doctors lists their names, specialty and educational background. The directory is available on the organization's website or in most public libraries.

• The American College of Surgeons has a database of members on its website. Search by doctor’s name, location, or medical specialty.

• The American Medical Association (AMA) has a DoctorFinder service on its website that provides contact details for doctors licensed to practice in the US. Search by the doctor's name or medical specialty.

• Healthfinder's Health Care section will allow you to find a doctor, investigate complaints, and even look into the hospitals in your area, all from one convenient site run by the U.S. Department of Health and Human Services.

• The American Cancer Society has a Find Treatment Centers page on its site that links to searchable directories on the sites of various professional medical organizations, such as the Children's Oncology Group of Pediatric Cancer Centers.
• The National Cancer Institute designates Comprehensive Cancer Centers nationwide, and can also provide information on other cancer centers and hospitals.

• The Joint Commission on Accreditation of Healthcare Organizations (JCAHO) can help you determine whether the facility you're considering is up to snuff.

• The Accreditation Association for Ambulatory Health Care is similar to JCAHO, except it focuses on the accreditation of oupatient facilities as opposed to inpatient facilities.

• The American Cancer Society has a worksheet on its website titled How to Choose the Right Hospital. The sheet contains a list of questions to ask when considering a particular facility.

• The National Cancer Institute's provides a Cancer Information Service. Phone them at 1–800–4–CANCER for information about treatment facilities throughout the country.

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