| Aging |
| Brookdale Center for Aging (Clearinghouse for Adult Medical Day Care referrals) | 212-481-3780 |
| Eldercare Locator | 800-677-1116 |
| National Institute on Aging | 800-222-2225 |
| AIDS |
| AIDS Clinical Trials Information Service | 800-874-2572 |
| Committee Of Ten Thousand (AIDS) | 800-488-2688 |
| National AIDS Clearinghouse | 800-458-5231 |
| National AIDS Hotline | 800-232-4636 |
| Project Inform | 800-822-7422 |
| Treatment Information Services | 800-448-0440 |
| Alzheimer's Disease |
| Alzheimer's Association | 800-272-3900 |
| Alzheimer's Disease Education and Referral Center | 800-438-4380 |
| French Foundation for Alzheimer Research | 800-477-2243 |
| National Caregiving Foundation | 800-930-1357 |
| Allergy & Asthma |
| American Academy of Allergy and Immunology | 800-822-2762 |
| Asthma and Allergy Foundation of America | 800-727-8462 |
| Lung Line Information Service | 800-222-5864 |
| Arthritis |
| Arthritis Foundation Information Line | 800-283-7800 |
| Autism |
| Autism Society of America | 800-328-8476 |
| Cancer |
| American Cancer Society Cancer Response Line | 800-227-2345 |
| American Institute for Cancer Research | 800-843-8114 |
| Cancer Information Service | 800-422-6237 |
| Candlelighters Childhood Cancer Foundation | 800-366-2223 |
| Chemocare (Cancer) | 800-552-4366 |
| National Cancer Institute (Cancer Information Service) | 800-422-6237 |
| Us Too (Prostate Cancer) | 800-242-2383 |
| Y-Me National Organization for Breast Cancer Information and Support | 800-221-2141 |
| Caregiving |
| National Caregiving Foundation | 800-930-1357 |
| United Cerebral Palsy Association, Inc. | 800-872-5827 |
| Children |
| Child Help National Child Abuse Hotline | 800-422-4453 |
| Cystic Fibrosis Foundation | 800-344-4823 |
| Human Growth Foundation (Growth Disorders in Children) | 800-451-6434 |
| National Easter Seals Society | 800-221-6827 |
| National Information Center for Children and Youth with Disabilities | 800-695-0285 |
| Shriner's Hospital Referral Line | 800-237-5055 |
| Sturge-Weber Disease Foundation | 800-627-5482 |
| Sudden Infant Death Syndrome | 800-221-7437 |
| Chronic Fatigue |
| Crohn's Disease Crohn's and Colitis Foundation of America | 800-932-2423 |
| Craniofacial Handicaps |
| American Cleft Palate-Craniofacial Association | 800-242-5338 |
| Faces National Association for the Craniofacial Handicapped | 800-332-2373 |
| National Foundation for Facial Reconstruction | 800-422-3223 |