Directory of U.S. Clinicians
- Caitlin Bray, NP/CNM/DNP
 - Caitlin O'donoghue, Other Healthcare Professional
 - Caitlyn Cap, Other Healthcare Professional
 - Callie Ganginis, Other Healthcare Professional
 - Canaan Mekonnen, PA
 - Canh Dao, PharmD/RPh
 - Cara-Lea Little, PA
 - Carey Ostry, NP/CNM/DNP
 - Carl Alving, MD
 - Carol Blimline, Other Healthcare Professional
 - Carol Forster, MD
 - Carol Plotsky, MD
 - Caroline Dupont, MD
 - Caroline Wiseman, NP/CNM/DNP
 - Caroline Wiseman, NP/CNM/DNP
 - Carolyn Huard, Other Healthcare Professional
 - Carolynn Young, MD
 - Carson Campe, MD
 - Cary Brown, MD
 - Cashana Betterly, MD
 - Catherine Bustios, NP/CNM/DNP
 - Catherine Chew, PharmD/RPh
 - Catherine McGrady, NP/CNM/DNP
 - Catherine Ostell, MD
 - Catherine Tierney, NP/CNM/DNP
 - Catherine Yen, MD
 - Cathleen McGrath, MD
 - Cathriya Penny, NP/CNM/DNP
 - Cecelia Tillman, PharmD/RPh
 - Cecile Silvestre, MD
 - Cecilia Snyder, NP/CNM/DNP
 - Cecilia Tillman, PharmD/RPh
 - Cedrik Ngongang Tekendo, MD
 - Chang Ching Lin, MD
 - Charlene Yu, PharmD/RPh
 - Charles Ciolino, MD
 - Charles Coggeshall, MD
 - Charles Conlon, MD
 - Charles Finder, MD
 - Charles Gordon, MD
 - Charles Obioha, MD
 - Charles Olaleye, MD
 - Charles Rabkin, MD
 - Charlotte Nordanlycke Yoo, MD
 - Chelsea Dekle, NP/CNM/DNP
 - Chelsey Pizano, MD
 - Cheng-Lun Tarantola, Other Healthcare Professional
 - Cheryl Adackapara, MD
 - Cheryl Cunningham, Other Healthcare Professional
 - Cheryl Maghfirat, NP/CNM/DNP