Leadership and Service

Nhan Hoa is led by a Management Team with decades of health care experience and a lifetime commitment to improving the health of our community. Together, they have established Nhan Hoa Comprehensive Clinic as one of the most respected public agencies in the community and have earned statewide attention for their success in providing health access to Orange County residents.

Thomas Ton, MD

Chief Executive Officer

Ban Pham

Chief Financial Officer


Sheilah Ngo

Administrative Manager

Nancy Dang, OD



Dung H. Nguyen

Care Management/Referral Coordinator/Front Desk Supervisor

Quang Binh Nguyen, MD

Chief Medical Officer


Duc Loi

IT Administrator

Linh Ha, DDS

Dental Director


Thanh Do, LCSW

Program Director

Helen Nguyen, B.S.N, M.P.H, C.P.S

Health Educator