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。
徐丽丽 Bay Area Dentist 
Jow, Helen Helen F Jow DDS 
余健强 James Yu Dental Group 
Kuo, Michael Sunset Premier Dental Group 
Chan, Michael SF Oral Surgery 
Wu, Adam Franklin Dental Care 
Yee, David David Yee DDS 
李国纶 Downtown Concord Dental 
余慧珊 North East Medical Services 
陈小燕 Albany Bay Dental 
Tong, Monica SF Dental Group
| 徐丽丽 | Bay Area Dentist |
| Jow, Helen | Helen F Jow DDS |
| 余健强 | James Yu Dental Group |
| Kuo, Michael | Sunset Premier Dental Group |
| Chan, Michael | SF Oral Surgery |
| Wu, Adam | Franklin Dental Care |
| Yee, David | David Yee DDS |
| 李国纶 | Downtown Concord Dental |
| 余慧珊 | North East Medical Services |
| 陈小燕 | Albany Bay Dental |
| Tong, Monica | SF Dental Group |