| Acog Foundation | Washington | D | $13.25M |
| American College of Cardiology Foundation | Washington | B | $125.83M |
| American Deafness & Rehabilitation Association | Washington | C | $157K |
| American Institute for Medical and Biological Engineering Inc | Washington | C | $1.22M |
| American Society of Hematology Inc | Washington | C | $112.40M |
| Association of Black Cardiologists Inc | Washington | B | $4.87M |
| Association of Minority Health | Washington | D | $122K |
| Autism Speaks Inc | Washington | B | $28.80M |
| Autistic Self Advocacy Network Inc | Washington | B | $1.76M |
| Biotechnology Institute | Washington | B | $776K |
| Blood Cancer United Research Foundation | Washington | A | $0 |
| Childhood Arthritis and Rheumatology | Washington | A | $9.59M |
| DC Peers | Washington | B | $154K |
| Deafcybercon | Washington | C | $22K |
| Diabetes Transplant Fund Inc | Washington | C | $27K |
| Endocrine Society | Washington | B | $27.33M |
| Equal Access International | Washington | C | $11.46M |
| Everylife Foundation for Rare Diseases | Washington | A | $7.53M |
| Food & Friends Inc | Washington | B | $25.21M |
| Foundation for Airway Health | Washington | F | $33K |
| Friends of the Global Fight Against AIDS | Washington | C | $1.26M |
| Gail Bleach Vision Research Foundation Inc | Washington | D | $213K |
| Global Alzheimer's Platform Foundation Inc | Washington | D | $6.54M |
| Global Colon Cancer Association | Washington | C | $888K |
| Global Genes | Washington | C | $7.15M |
| Go2 for Lung Cancer | Washington | C | $11.98M |
| Heart Valve Voice US | Washington | B | $234K |
| Ias | Washington | C | $1.24M |
| International Atherosclerosis Society | Washington | C | $570K |
| International Cancer Expert Corps Inc | Washington | F | $1.51M |
| International Community of Women Living | Washington | C | $9,410 |
| Kids V Cancer | Washington | B | $49K |
| King Hussein Cancer Foundation USA | Washington | C | $2.58M |
| Lupus Foundation of America Inc | Washington | A | $15.00M |
| Medical Society and Alliance | Washington | D | $40K |
| Melanoma Research Alliance Foundation | Washington | B | $16.48M |
| National Association of Councils on | Washington | C | $2.07M |
| National Forum for Heart Disease and Stroke Prevention Inc | Washington | C | $529K |
| National Minority AIDS Council | Washington | B | $9.79M |
| Optical Society of America Inc | Washington | C | $61.83M |
| Ovarian Cancer National Alliance | Washington | A | $1.73M |
| Paralyzed Veterans of America | Washington | D | $480K |
| Personal Care Products Council | Washington | B | $3.84M |
| Personalized Medicine Coalition | Washington | A | $2.10M |
| Prevention of Blindness Society of | Washington | D | $2.24M |
| Society for Maternal-Fetal Medicine | Washington | B | $10.35M |
| The American Academy of HIV Medicine | Washington | F | $1.05M |
| The Art of Living Health and | Washington | C | $2.55M |
| The Mesothelioma Applied Research | Washington | C | $2.53M |
| The Pulmonary Hypertension | Washington | B | $8.46M |
| The Rheumatism Society of the District of Columbia | Washington | C | $131K |
| The Tigerlily Foundation | Washington | F | $3.05M |
| Undiagnosed Diseases Network Foundation | Washington | C | $120K |
| Whitman-Walker Clinic Inc | Washington | B | $62.41M |
| Wishes for Elliott | Washington | C | $902K |
| Women in Nephrology | Washington | B | $191K |
Charity Clarity