贾志恩是加利福尼亚州的执照牙科医生。在太平洋大学牙科学院取得医学学位。贾医生目前所在的医疗机构为贾振鹏与贾志恩牙医的诊所(Dr. Ryan Kir DDS)，地址在814 Broadway St, San Francisco, CA 94133。除了英语以外，贾医生还能讲普通话和广东话，并接受新病人。
Cheng, Ashley JUST health 510 
鄺惠娟 Lee Fong Dentistry 
田沐霖 San Leandro Dental Group 
Tseng, Michael United Dental Group 
Wong, Derek Derek Wong DDS 
Voong, Lily Lily Voong DDS 
Chau, Deborah Sutter Health 
竺嘉华 Lake Merced Dentistry 
段沁德 Duan Forrest DMD & Associates 
Lau, Bryant UCSF Dental 
Jin, Benjamin Byung Benjamin Woo DDS
| Cheng, Ashley | JUST health 510 |
| 鄺惠娟 | Lee Fong Dentistry |
| 田沐霖 | San Leandro Dental Group |
| Tseng, Michael | United Dental Group |
| Wong, Derek | Derek Wong DDS |
| Voong, Lily | Lily Voong DDS |
| Chau, Deborah | Sutter Health |
| 竺嘉华 | Lake Merced Dentistry |
| 段沁德 | Duan Forrest DMD & Associates |
| Lau, Bryant | UCSF Dental |
| Jin, Benjamin | Byung Benjamin Woo DDS |