Meet The Doctors

Dr. Tom Ha

DMD, FICOI, FAGD (in progress)


Dr. Tom Ha has been practicing general dentistry in the Bay Area and Tri-Valley Area for over six years.  Patients have described Dr. Ha as gentle, compassionate and most importantly, personable.  He has been praised by his patients for his wonderful work on fillings, crowns, extractions, root canals and overall comprehensive care.

Dr. Ha graduated from Nova Southeastern University in 2008.  There, he graduated in the top ten of his class and honored in Oral Maxillofacial Surgery, Endodontics and Pedodontics.  In other words, Dr. Ha does an amazing job in wisdom teeth extractions, root canals and loves working with kids!  Dr. Ha is skilled with the modern techniques of dentistry as well.  Compared to other general dentists, he is also certified with dental lasers, Invisalign and Perio Protect (advanced gum disease treatment). 

Dr. Ha is always continuing to go above and beyond for his patients and is now working on additional credentials. For example, he is now working on his Fellowship in Academy General Dentistry and is now a Fellow in International Congress of Oral Implantologists under the mentorship of Dr. John DiPonziano. 

Dr. Ha is willing to work with his patients to achieve their perfect smile.  His mission is to deliver high-quality dental work with a gentle touch so that his patients may maintain excellent oral health.

Dr. Ha is fluent in both English and Cantonese. 


Dr. John DiPonziano

CDT, DDS, FAGD, MAGD, FIOCI, DICOI, FACD, FADI


Dr. John DiPonziano has been performing the surgical placement and prosthetic restoration of dental implants since the mid-eighties.

  • Prior to attending dental school, Dr. DiPonziano was a full-time dental technician and earned Certified Dental Technician status, which he still maintains today. 
  • Dr. DiPonziano performs many of the implant laboratory procedures himself and is well versed in all aspects of the implant treatment picture – from the laboratory planning phase to surgery and prosthetic restoration.
  • Dr. DiPonziano is a graduate of Temple University School of Dentistry in 1983
  • He has also completed a three-year didactic and participatory program in Implantology at the University of Pennsylvania in 1988. 

The following are a few of Dr. DiPonziano's additional degrees:

  • Fellow and Diplomate of the International Congress of Oral Implantologists
  • A credentialed member of the American Academy of Implant Dentistry
  • Fellow and Master of the Academy of General Dentistry
  • Fellow of the American College of Dentists

The following are a few of Dr. DiPonziano's accomplishments:

  • Dr. DiPonziano has served as President of the New Jersey Academy of General Dentistry in 2003.
  • He has also chaired the National AGD Implantology Task Force, which formulated universal educational guidelines for implant training in 2009.
  • Dr. DiPonziano has served as past Chair of Continuing Dental Education of the California Academy of General Dentistry
  • In addition to his clinical practice, he teaches surgical and prosthetic implant dentistry throughout the country for several organizations such as Hiossen Implants, his Implant Continuum, Implant Study Club and in the past for Nobel Implants. 

Dr. Kara S. Yu

DMD, FICOI, FAGD


Dr. Kara Yu has been practicing general dentistry since 2007 and in the Bay Area and Tri-Valley Area since 2009.  She is a well-established dentist practicing in Pleasanton for almost over six years.  She has earned her B.S. in Neuroscience, Physiology, and Behavior at the University of California at Davis.  Dr. Yu earned her degree in Dental Medicine from Nova Southeastern University in 2007.  There, she graduated with high honors in endodontics (root canal therapy) and took advanced honors courses in Periodontics, Endodontics, and Pedodontics.  In other words, Dr. Yu loves doing root canals and enjoys working with kids.  Dr. Yu is skilled with modern techniques of dentistry as well.  Compared to other general dentists, she is also certified with dental lasers, Invisalign, Perio Protect (advanced gum disease treatment) and implant therapy.

Dr. Yu is a Fellow in International Congress of Oral Implantologists under the mentorship of Dr. John DiPonziano.  She has experience in bone grafting, sinus lifts and has placed and restored multiple implants.  Dr. Yu has been a certified Invisalign provider for eight years and has received Invisalign Advance Certification I and II.  She is knowledgeable in implant, denture, crown and bridge restorations and full mouth reconstruction.  Dr. Yu has also received additional degrees and is a Fellow of the Academy of General Dentistry.  She loves taking continuing dental education courses and is versed with the most current dental techniques and treatments available. 

On her off time, Dr. Yu is committed to helping her community.  Annually, she volunteers for the American Dental Association at the Give Kids A Smile Program.  There, she treats underprivileged children and adults and provides services such as gum treatment and root canal therapy.  Dr. Yu loves working with children and has also volunteered at the Pedodontic (children) Cardid Clinic in Florida. 

Dr. Yu is extremely skilled in all facets of dentistry and is a truly caring and gentle practitioner. 

Dr. Yu speaks English and Cantonese. 


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