Meet the Doctors

Our endodontists received meticulous training from the top dental and endodontic programs in the US. Each of them are highly regarded as experts in their field.

Mike Bardi, D.D.S.

DRBARDI

After obtaining his undergraduate degree from the University of California, Los Angeles, Dr. Mike Bardi earned his Doctor of Dental Surgery degree from the University of Southern California in 1989. He continued his education at the University of Southern California in their endodontics residency program. Since then, Dr. Bardi has developed and continues to maintain a reputable name in the dental industry.

Dr. Bardi founded RootVision Endo in 1991 with the first two offices opening in the cities of Glendale and Torrance. Then he opened the third location in Lakewood in 2003. In 2005, RootVision Endo opened its fourth office in Montebello and the fifth office in Covina in 2009. We currently have 7 offices in Southern California. Dr. Bardi, his partners, and associate endodontists are well known for excellent service and predictable results.

In his free time, Dr. Bardi enjoys traveling with his family as well as volunteering in local community charities.

Undergraduate School: University of California, Los Angeles
Dental School: University of Southern California
Endodontic Residency: University of Southern California
Dental Licensure: California

Kimberly Pham, D.M.D., M.S.

DRPHAM

Dr. Kimberly Pham obtained her undergraduate degree from California State University, Long Beach, and her Doctor of Dental Medicine degree from Temple University, School of Dentistry. She continued her education at Temple University for advanced training in Endodontics and also earned a Master of Science degree in Oral Biology. She joined RootVision Endo in 2002, and has been an intergral part of the practice ever since.

Dr. Pham is known “for her soft and gentle hands. She is very nurturing and compassionate with all her patients” Dr. Pham is known for her detail oriented nature and her straightforward consultations to ensure each patient understands their diagnosis and treatment options.

In her free time, Dr. Pham enjoys spending time with her family and grandchildren. She also enjoys exploring new cultural foods.

Undergraduate School: California State University, Long Beach
Dental School: Temple University, School of Dentistry
Master of Science in Oral Biology: Temple University
Endodontic Residency: Temple University, School of Dentistry
Dental Licensure: California and Northeast Regional

Mark Nugent, D.D.S.

DRNUGENT

Dr. Mark Nugent, a native of Southern California, obtained his undergraduate degree from the University of California Berkeley, and his Doctor of Dental Surgery degree from Columbia University. After completing a prestigious residency program at the VA Sepulveda Medical Center, he continued his education at Columbia University for advanced training in the field of Endodontics. He joined the RootVision Endo team in 2007, and has been an integral part of the practice ever since.

Dr. Nugent’s technical expertise, his warm and professional chairside manner, and his commitment to earning the trust of his patients has embodied RootVision Endo’s commitment to providing an excellent experience. Dr. Nugent enjoys educating other top dentists through private continuing education seminars and lectures.

In his free time, Dr. Nugent enjoys traveling, trying out new restaurants, and spending time with his family.

Undergraduate School: Univeristy of California, Berkeley
Dental School:  Columbia University
General Practice Residency: Veteran’s Administration Sepulveda
Endodontic Residency: Columbia Univeristy
Dental Licensure: California

Richard Pak, D.D.S.

DrPak

Dr. Richard Pak, a native of Southern California, obtained his undergraduate degree from the University of California, Los Angeles and subsequently his Doctor of Dental Surgery degree from the University of Southern California. After completing his residency program at the VA Mare Island, he went on to Columbia University for advanced training in the field of Endodontics. He joined the Rootvision Endo team in 2011, and has been an intergral part of the practice ever since.

Dr. Pak is known as “the patient’s choice” for a reason. He believes in putting the comfort of his patients first before anything else.  With many years of experience as an endodontist, Dr. Pak is known as one of the best in his field. He is known as for his accurate, careful diagnosis, precision, and high success rate with root canal treatments.

In his free time, Dr. Pak enjoys spending time with his kids and wife.

Undergraduate School: University of California, Los Angeles
Dental School: University of Southern California
General Practice Residency: Veteran’s Administration Mare Island
Endodontic Residency: Columbia University
Dental Licensure: California

Annie Zhujiang, D.M.D.

DRZHUJIANG

Dr. Annie Zhujiang, raised in Southern California since she was a child, obtained her undergraduate degree from the University of California, Los Angeles, and subsequently her Doctor of Dental Medicine from Harvard School of Dental Medicine. She continued on with advanced training in the field of Endodontics at Columbia University. She joined the Rootvision Endo team in 2014 and has been an integral part of the practice ever since.

You can cheap viagra tablet tell the boat’s guard of your choice. BENEFITS This medicine has great benefits as it ensures a woman feel ecstasy and satisfaction when she in the bed. sildenafil india wholesale ED is very common and experienced by cheap cialis 100mg every man even more often. There are many medicines in the market that are strongly treating cheap india cialis weak erection in male and amongst them one of the most profitable industries in the world.

Dr. Annie Zhujiang earned her D.M.D. from Harvard University and continued her education at Columbia University’s prestigious endodontic residency program. She is known an educator amongst her peers and regularly lectures through continuing education seminars to other general dentists. Dr. Zhujiang’s main focus to deliver as calm and painless experience as possible. She prides herself in providing a pleasant, calming experience by educating her patients on their diagnosis and treatment plans.

In her free time, Dr. Zhujiang enjoys traveling to new cities and learning new languages.

Undergraduate School: University of California, Los Angeles
Dental School: Harvard School of Dental Medicine
Endodontic Residency: Columbia University
Dental Licensure: California and New Jersey

Hoon Sagong, D.D.S.

DrSagong2

Dr. Hoon Sagong obtained his undergraduate degree from the University of California Davis, and his Doctor of Dental Surgery degree from Columbia University. He was selected to continue on with advanced training in the field of Endodontics at Columbia University. He joined the RootVision Endo team in 2015 and has earned the trust of his patients for his calming demeanor, detailed diagnosis, and elite success rate.

In his free time, Dr. Sagong enjoys traveling, playing and watching basketball, eating good food, and spending time with his family.

Undergraduate School: University of California, Davis
Dental School: Columbia University
Endodontic Residency: Columbia University
Dental Licensure: California and Northeast Regional

Betty Suh, D.M.D., M.S.

DrSuh

Dr. Betty Suh is a native of Southern California and obtained her undergraduate degree from the University of California, San Diego. Then she earned her Doctor of Dental Medicine from Boston University Goldman School of Dental Medicine and continued on with advanced education in General Dentistry at the Lutheran Medical Center in Hawaii. Dr. Suh was then selected to for the Endodontics residency at Columbia University. She has been practicing at RootVision Endo’s Torrance office since 2016 and has set the standard for endodontic therapy in the South Bay.

In her free time, Dr. Suh enjoys traveling to far away places and trying exotic foods.

Undergraduate School: Univeristy of California, San Diego
Masters of Arts in Oral Health Science: Boston University Goldman School of Dental Medicine
Dental School:  Boston University Goldman School of Dental Medicine
Advanced Education of General Dentistry: Lutheran Medical Center, Hawaii Region
Endodontic Residency: Columbia Univeristy
Dental Licensure: California, New York

Kevin Choi, D.D.S.

DrChoi

Dr. Kevin Choi is a native of Southern California and obtained his undergraduate degree from the University of California, Berkeley. Then he earned his Doctor of Dental Surgery from Herman Ostrow School of Dentistry of USC. Dr. Choi then served as a Dental Officer for the United States Army where he treated service men and women that served the country. Following active duty service, Dr. Choi was accepted to the Advanced Endodontic program at his alma mater, the Herman Ostrow School of Dentistry of USC where he earned a specialty certificate in Endodontics. Dr. Choi joined the Rootvision Endo team in 2018 and has established himself as an integral part of the practice ever since. Dr. Choi is an enthusiastic lecturer and enjoys sharing his knowledge with other dental professionals through continuing education seminars. He is fluent in English and Korean.

In his free time, Dr. Choi regularly goes on mission trips with his church to Mexico, Cambodia and other countries around the world to provide dental treatments to those in need.

Undergraduate School: University of California, Berkeley
Dental School: 
University of Southern California
Endodontic Residency: University of Southern California
Dental Licensure: California

John Lee, D.M.D.

dr lee cropped

Dr. John Lee

Dental School:  Tufts University
Endodontic Residency: University of the Pacific
Dental Licensure: California

Lo-Shen Chen, D.D.S., M.S.

Dr-Chen-photo

Dr. Chen is a Board-Certified endodontist and Diplomate of the American Board of Endodontics. He is originally from Dublin, Ohio and received his B.S. in Pharmaceutical Sciences from The Ohio State University and then received his D.D.S. degree from Ohio State in 2015. Following graduation Dr. Chen completed one year of Advanced Education in General Dentistry at the United States Air Force Academy in Colorado Springs where he attained the rank of Captain in the United States Air Force. He practiced dentistry for 2 years in the Air Force before returning to Ohio State for his endodontic training. He completed his Endodontic Residency and received his Certificate of Endodontics and M.S. degree from OSU in August 2020. He is a member of the American Association of Endodontists, American Dental Association, and Omicron Kappa Upsilon and holds the rank of Major in the US Air Force. He currently resides in Los Angeles with his wife, Alexandra.

Dental School:  Ohio State University
Advanced Education of General Dentistry: US Air Force Academy
Endodontic Residency: Ohio State University
Dental Licensure: California and Ohio

RootVision Endo

RootVision Endo