- Cape Cod Healthcare
- Capital Caring
- Capital Region Medical Center
- Care New England
- CareCentrix
- CareDimensions
- CareMore Health Plan
- Center for Hospice and Palliative Care
- Center for Hospice Care
- Center of Excellence for Alzheimer’s Disease
- Centers to Advance Palliative Care
- ChemEd
- Chemed Corp.
- CHI St. Alexius Health System
- Choice Homecare
- CMS Compliance Group
- Coalition of Transform Advanced Care
- Commonwealth Health Care
- CommonWell Health Alliance
- Community Hospice of Texas
