俞仁先是加利福尼亚州的执照牙科医生。在加大洛杉矶分校牙医学院取得医学学位。俞医生目前所在的医疗机构为Carolyn Yu DDS(Carolyn Yu DDS)，地址在1430 Tara Hills Dr, Pinole, CA 94564。除了英语以外，俞医生还能讲普通话。
余慧珊 North East Medical Services 
Wang, Blake Yuanxing Diablo Creek Dentistry 
Cheng, Irene Young Dental SF 
孙康泰 Halton Suen Dental Office 
Zhang, Yingtao Mission Dental 
Chung, Emily Jang & Associates 
Tang, Wei-Yu California Oral And Facial Surgery 
Kuo, Michael Sunset Premier Dental Group 
Hao, May North East Medical Services 
陈小燕 Albany Bay Dental 
黄浩良 North East Medical Services
| 余慧珊 | North East Medical Services |
| Wang, Blake Yuanxing | Diablo Creek Dentistry |
| Cheng, Irene | Young Dental SF |
| 孙康泰 | Halton Suen Dental Office |
| Zhang, Yingtao | Mission Dental |
| Chung, Emily | Jang & Associates |
| Tang, Wei-Yu | California Oral And Facial Surgery |
| Kuo, Michael | Sunset Premier Dental Group |
| Hao, May | North East Medical Services |
| 陈小燕 | Albany Bay Dental |
| 黄浩良 | North East Medical Services |