丁之明是加利福尼亚州的执照牙科医生。在南加州大学凯克医学院取得医学学位。丁医生目前所在的医疗机构为丁之明牙医博士(Mark M Ting DDS)，地址在1624 Franklin St, Oakland, CA 94612。丁医生擅长于成人、儿童牙齿全科，牙周病，拔牙（智齿），根管治疗及各种假牙，牙齿矫正。。除了英语以外，丁医生还能讲普通话，并接受新病人。
余慧珊 North East Medical Services 
梁奕仁 CT Dental Group 
Ham, Alexander Contra Costa Children's Dentistry 
Chan, Steven Alameda Smiles 
Chua, Derrick Derrick O Chua DDS 
Chung, Emily Jang & Associates 
Wong, Rickey J Rickey J Wong LAc 
徐丽丽 Bay Area Dentist 
Zheng, Dale SL Dental Specialty Group 
Zhu, Jessica Jang & Associates 
雷景祥 Gregory Ken Louie DDS
| 余慧珊 | North East Medical Services |
| 梁奕仁 | CT Dental Group |
| Ham, Alexander | Contra Costa Children's Dentistry |
| Chan, Steven | Alameda Smiles |
| Chua, Derrick | Derrick O Chua DDS |
| Chung, Emily | Jang & Associates |
| Wong, Rickey J | Rickey J Wong LAc |
| 徐丽丽 | Bay Area Dentist |
| Zheng, Dale | SL Dental Specialty Group |
| Zhu, Jessica | Jang & Associates |
| 雷景祥 | Gregory Ken Louie DDS |