| Antelope Valley Emergency Medicine Associates | Mike Gertz, MD | Antelope Valley Hospital | Lancaster |
| Berkeley Emergency Medical Group | Brian Potts M.D. | Alta Bates Summit Medical Center | Oakland/Berkeley |
| Chula Vista Emergency Room Physicians | Peter Jost | Scripps Mercy Hospital Chula Vista | Chula Vista |
| Emergency Physicians of Orange County | Ahmed Elrefaie | Hoag Memorial Hospital Presbyterian | Newport Beach |
| Emergency Specialist Physicians Med Assoc | Jorge Vournas | Little Company of Mary – Torrance | Torrance |
| Intercommunity Emergency Medical Group | Ian Kramer | Presbyterian Intercommunity Hospital | Whittier |
| Mills Peninsula Emergency Medical Assoc., Inc. | Ram Duriseti, MD | Mills-Peninsula Medical Center | Burlingame |
| Monterey Bay Emergency Partners | Andrew Ortega | Community Hospital of the Monterey Peninsula | Monterey |
| Napa Valley Emergency Medical Group | Andrew Nothmann | Queen of the Valley Medical Center | Napa |
| Pacific Emergency Physicians | Jon Ludwig, MD | Scripps Mercy Hospital | San Diego |
| Riverside Emergency Physicians Medical Group | Chad Clark, MD | Parkview Community Hospital | Riverside |
| Riverside Emergency Physicians Medical Group | Chad Clark | Parkview Community Hospital MC | |
| South Coast Emergency Medical Group | David Strumpf, MD | Santa Barbara Cottage Hospital | Santa Barbara |
| Southern California Emergency Medical Group | Dr. Sameer Mistry | Providence Little Company of Mary San Pedro Medical Center | San Pedro |