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Our Practice

 John H. Ko, DDS We welcome you to our dental office!

John H. Ko, DDS Dental Office 1 John H. Ko, DDS Dental Office 2
John H. Ko, DDS Dental Office 3 John H. Ko, DDS Dental Office 4

A State-of-the-Art Dental Practice Dedicated to the Highest Standard of Care!

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We provide the highest standard of dental care in a professional, efficient and caring manner.

Discover just how different Dr. Ko’s practice is from other healthcare offices. It starts with genuine friendliness and respect for your time. When you call for an appointment, our staff will find a time that fits your schedule. And when you arrive, we’ll greet you by name, find out if you have questions, and make sure you get in to see Dr. Ko promptly.


Leading Expertise

With 20 years of experience, Dr. Ko is one of the most highly qualified and experienced professionals in the area. He earned his Doctor of Dental Surgery degree at the University Of Toronto Dental School, and over the years he has completed specialized training in many cosmetic and restorative techniques. He invests in the latest, high-quality materials and equipment to help you improve your smile. He also stands by the quality of all his work.

Personalized Care

Dr. Ko will personally consult with you – listening attentively as you share your needs and concerns, and addressing any fears or anxieties you may have. After your thorough exam, he will collaborate with you and jointly together devise a treatment plan that will fit your budget and time. You’ll even enjoy thoughtful amenities like DVD movies, television shows, or videos with headphones for use during treatments, and a beverage bar in our waiting area.

Amazing Results

From beginning to end, your dental experience is designed to optimize your health and ensure your complete comfort and confidence. The amazing results of your dental experience with us will show every time you smile.

Dr. Ko and his team are devoted to restoring, enhancing, and protecting the natural beauty of your smile using conservative, state-of-the-art procedures that will result in beautiful, life-long smiles!

High Standards

We strive for very high standards with our patient care. Our staff is highly trained to take care of all your dental needs. We provide comprehensive treatment planning and use restorative and cosmetic dentistry to achieve your optimal dental health. Should a dental emergency occur, we make every effort to see and care for you as soon as possible.

Education & Prevention

As a practice, we are true believers that preventative care and education are the keys to excellent dental health. That’s why we focus on thorough exams – checking the overall health of your teeth and gums, performing oral cancer exams, and taking x-rays when necessary. We also know that routine cleanings, flossing, sealants, and fluoride are all helpful in preventing dental diseases. It is a fact that your overall general health is affected by the health of your mouth. A review of your medical history can help us stay informed of your overall health, any new medications, and any illnesses that may impact your dental health.

Uncompromising Safety

Infection control in our office is also very important to us. To protect our patients and ourselves, we strictly maintain sterilization and cross contamination processes using standards recommended by the American Dental Association (ADA), the Occupational Safety and Health Administration (OSHA), and the Center for Disease Control (CDC).

Training & Expertise

As your dental health professionals, we want you to be confident knowing that we are a team of highly trained and skilled clinicians. We pride ourselves in providing the care you need to keep your smile healthy. To give you the best possible service and results, we are committed to continuing education and learning. We attend dental lectures, meetings, and dental conventions to stay informed of new techniques, the latest products, and the newest equipment that our dental office can use to provide state-of-the-art dental care. Also, being members of various professional dental associations helps us to stay abreast of the changes and recommendations for our profession.

A Positive Experience

Building a foundation of trust by treating our patients as special individuals is vital to our success. We understand how uneasy some patients may feel about their dental visits, and how we can make a difference in providing a relaxing and positive experience. Our entire team is dedicated to providing you with excellent, personalized care and service to make your visits as comfortable and pleasant as possible.

We want to take this opportunity to thank you for allowing us to take care of your dental needs and we look forward to serving you.  We welcome you to come and visit our state-of-the-art office and be greeted by the friendliest staff. 


Call Us Today...we'll give you a reason to smile! 


Proud to provide high quality and gentle care for one patient at a time. We specialize in:
Composite Fillings, Porcelain Veneers, Porcelain Crowns, Porcelain Fixed Bridges, Teeth Whitening, Invisalign, Dental Implants, Dentures, Root Canal Therapy, Oral Cancer Exam, Hygiene / Periodontal Health, Fluoride Treatment, Sealants, Nitrous Oxide (Laughing Gas), Digital X-Rays, and Pain Free Dentistry.

Dr. John H. Ko is dedicated to excellence in general, family & cosmetic dentistry through patient education, prevention and service. Dr. Ko and staff offer personalized, professional dental care in a stress free environment for adults, teens, and children in Pleasanton CA, Livermore, Dublin, San Ramon, Danville, Castro Valley and the surrounding Alameda County communities.

Our beautiful office is conveniently located at 5720 Stoneridge Mall Road, Suite 200, Pleasanton, CA 94588.

Contact Us

We encourage you to contact us with any questions or comments you may have. Please call our office or use the quick contact form below.


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