- Children's Hospitals and Clinics of Minnesota
- ChildrensLA
- Children’s Compass
- Children’s Connect
- Chill Pills - Time to Relax...
- CHINA VALVE(HANGZHOU)
- Chinese Medicine Guide
- Chinese Medical Characters
- Chinese Medicinal Plants Guide
- Chinese Medicine Classics
- Chinese Nutritional Strategies
- ChiroHD
- Chirok Health E/M Calculator
- Chiron Dr
- Chiropractic First
- Chiropractic Plus Newcastle
- Chirosport SA
- Chirp AR
- Chirurgie
- Liver Surgery AP-HP
- CHIRURGISCHE ALLGEMEINE
- Chiry
- Chiry for Health Professionals
- CHL At Home
- Chlorine solution calculator
- Chocolate Toxicity Calculator
- Choice Boards
- Choiceworks
- Choiceworks Calendar
- Choisir un Médecin
- Cholecystectomy AI
- Cholesterol Manager
- My Heartlet: BP & Cholesterol
- Cholesterol Track-iCholesterol
- Chomper Chums®
- Choose How You Age
- Chopo Mobile
- Chord - Lupus Community
- CHPN Practice Test
- Christ Hospital Health Network
- CHPN Practice Test
- Christ Hospital Health Network
- Christella VoiceUp
- Christella VoiceUp Complete
- Christian Hypnobirthing
- Christiana Care Patient Portal
- Christie Clinic
- Christliche Mediziner (ACM)
- MyCHRISTUS
- Chromatic Color Helper
- Chromatic Glass
- Chroniberia
- Chronic Diseases
- Chronic Illness Monitor
- Chronic Insights
- Chronic Lymphocytic Leukemia
- Chronic Pain Diary
- Chronic Pain Diary Lite
- Chronically Simple