Directory of U.S. Clinicians
- Carolyn Meyer, MD
 - Carolyn Rutter, MD
 - Carrie Skelton, PharmD/RPh
 - Carsen Colbert, PharmD/RPh
 - Casey Cheney, PharmD/RPh
 - Casey Treis, PharmD/RPh
 - Cassandra Hoffmann, NP/CNM/DNP
 - Chad Baarson, MD
 - Chad Engan, MD
 - Chad Sievers, PA
 - Charles Jennings, MD
 - Charles Marler, MD
 - Charlie Campbell Mckinney, MD
 - Chelsea Gettel, MD
 - Cherie Jennings, MD
 - Cheryl Reichert, MD
 - Chesney Martin, PA
 - Cheyenne Kroll, PA
 - Christian Madson, NP/CNM/DNP
 - Christina Howell, MD
 - Christina Yuhas, PharmD/RPh
 - Christopher Amen, PharmD/RPh
 - Christopher Fukuda, MD
 - Christopher Merchant, PA
 - Christopher Niehues, MD
 - Christopher Wilson, NP/CNM/DNP
 - Chu Hong, MD
 - Cindy Simpkins, NP/CNM/DNP
 - Cody Sanders, MD
 - Colleen Johnson, PharmD/RPh
 - Colleen Marron, MD
 - Collette Jones, MD
 - Connie Stevenson, PharmD/RPh
 - Connor McCormick, MD
 - Cory Hessel, Other Healthcare Professional
 - Courtney Forde, NP/CNM/DNP
 - Courtney Young, NP/CNM/DNP
 - Craig Brayko, MD
 - Craig Sweeney, MD
 - Craig Treptow, MD
 - Crystal Bahnson, NP/CNM/DNP
 - Crystal Purdy, MD
 - Cynthia Padilla, MD
 - Dale Mortenson, MD
 - Dale Schaefer, MD
 - Dale Stoverud, PharmD/RPh
 - Dan Pradere, NP/CNM/DNP
 - Dana Morgan, MD
 - Daniel Doran, PharmD/RPh
 - Daniel Gordon, MD