- Calvary Hospice
- Calvary Hospital
- Calvert Home Health
- Calvert Hospice
- Cambia Health Foundation
- Cambia Health Solutions
- Cambia Palliative Care Center of Excellence
- Cambridge University Press
- Camellia Healthcare
- Canadian Home Care Association
- Canadian Journal of Emergency Medicine
- Canadian Medical Association Journal
- Cancer Hospital & Shenzhen Hospital
- CancerNetwork
- Canon Healthcare
- Canon Hospice
- Canuck Place Children's Hospice
- Canyon Home Health & Hospice
- Cap Doctor Associates
- Cape Cod Healthcare


