Let Us Introduce Ourselves

The dental practice team at the office of Dr. Jack Oh, DDS is proud to provide you with expert consultation and treatment.

Dr. Jack Oh, DDS

Dr. Oh attended the University of California at Irvine, where he received his Bachelor of Science in Biological Sciences in 1990. He attended the University of the Pacific, Arthur A. Dugoni School of Dentistry, where he received his D.D.S. in 1994.


Dr. Oh has been practicing in Diamond Bar, California since 1996.

Elisa Rios, RDH, Dental Hygienist

Mercedes Jimenez,

Front Office Receptionist


Mercedes has been working in the dental field since 1988.  She has been an integral member of this office since 1996. Mercedes has an extensive knowledge of insurance policies as it pertains to dentistry. She can assist you with insurance questions and financial matters. 


Front Office Staff


Mercedes and Sonia (L to R)

Back Office Staff


Jose, Samantha RDA, Cierah RDA, Breanna (L to R)