Meet The Doctor

Shirley Zhao, DDS

Shirley Zhao, DDS, is a true expert with extensive experience when it comes to general and cosmetic dentistry. At Zhao Dental with two convenient locations in Tracy and Pleasanton, California, Dr. Zhao provides men, women, and children of all ages access to the best possible personalized dentistry services.

In 2003, Dr. Zhao received her undergraduate degree in science from the University of California, Los Angeles before earning her Doctor of Dental Surgery from the University of the Pacific in Stockton, California, in 2006.

Dr. Zhao is a member of the California Dental Association and the American Dental Association. She’s a fellow of the International Congress of Oral Implantology and the American Academy of Implant Dentistry and she also received the certificate for Advanced Training in Cosmetic Dentistry from Lumineers Laboratory in 2010.

Dr. Zhao offers teeth whitening, veneers, dental implants, crowns and bridges, root canals, digital X-rays, and many other valuable dental treatments. She stays up to date with the latest advanced dental tools and technology in her beautiful brand-new dental offices. She also treats dental emergencies and offers a 24-hour emergency line for her patients.

As an award-winning dental professional and active community volunteer, Dr. Zhao remains focused, passionate, and dedicated to her field and helping others. She believes patients should be fully informed, comfortable, and proactive with their dental care.

Dr. Zhao knows that a healthy and aesthetically beautiful smile can boost confidence and enhance the quality of life and general wellness. She takes a unique, modern, and gentle approach to oral health care.

At Zhao Dental, Dr. Zhao offers a calming and welcoming environment to help ease any dental anxiety, so every individual can achieve their dream smile.

John H. Ko, DDS

John H. Ko, DDS, is a skilled and compassionate dentist who brightens smiles at John H. Ko, DDS in Pleasanton, California. He’s been certified by the Royal College of Dental Surgeons and the California State Dental Board for more than two decades, and he is currently a member of the American Dental Association, the California Dental Association, and the Southern Alameda County Dental Society. Dr. Ko was born and raised in Toronto, Canada, and went to the University of Toronto for both his Bachelor of Science degree in microbiology/biochemistry and his Doctor of Dental Surgery degree. After graduating in 1991, he and his wife moved to British Columbia and started a dental practice in North Vancouver. In 1997, they relocated to the Bay Area to be closer to family and have called Pleasanton home ever since.

Dr. Ko is passionate about providing a premium dental experience and aims to meet his patients’ needs while exceeding their expectations. He has a conservative philosophy of treatment, and likes to educate his patients on all their possible treatment plans so that they’re active participants in the decision-making process of their dental care. Dr. Ko is easy-going, gentle, and fully dedicates his time to each one of his patients. He’s always on time, never double booked (unless there’s a dental emergency), and believes in taking as much time as necessary during his consultations to answer questions and thoroughly explain treatment options and procedures.

He’s also committed to continuing education to ensure that he stays up to date on all the latest advances in dental technologies and practices, ensuring that his patients receive the most progressive care available. Dr. Ko and his wife have two sons. When he’s not improving smiles, he enjoys golf, hockey, skiing, and playing the piano.

Visit Our Office

Pleasanton, CA

5720 Stoneridge Mall Rd #200, Pleasanton, CA 94588

Email: [email protected]

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Office Hours

  • Monday8:00 am - 5:00 pm
  • Tuesday8:00 am - 5:00 pm
  • Wednesday8:00 am - 5:00 pm
  • Thursday8:00 am - 5:00 pm
  • FridayClosed
  • SaturdayClosed
  • SundayClosed