DENTIST in Sunnyvale

Our office is located at:
1298 Kifer Road #501, Sunnyvale, CA 408-830-0123

At Bay Smile Design, we provide patients with personalized, high-quality, and comfortable dental care. Doctors Richard Lee, DDS PC​, Katarina Tu, DDS and Joan Chung, DDS practice & a full scope of dentistry with expertise in general and cosmetic dentistry, periodontics, prosthodontics, and dental implant services.

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We offer the following amenities to make your visit as pleasant as possible:

  • A modern and comfortable reception area with updated magazines and television
  • Tranquil waterfalls to provide a spa-like experience
  • Free Wi-Fi
  • Complimentary refreshments including coffee and tea
  • Neck pillows and blankets for your personal comfort
  • Flat screen displays in every treatment room with your choice of entertainment, including Netflix
  • Warm aromatherapy towels to freshen up after treatment
  • Laughing gas (nitrous oxide) to help ease any anxiety

meet our doctors


Dr. Richard Lee is a 1996 graduate of the College of Dentistry at New York University. During his senior year at NYU, Dr. Lee was among those who were selected to take part in the intensive Fixed Prosthodontics Honor Program. After completing a one-year general practice residency at Mount Sinai Hospital, he returned to NYU and pursued advanced training in dentistry.

Dr. Richard Lee

Dr. Katarina Tu is a General & Cosmetic Dentist who enjoys working with patients of all ages and takes great pride in partnering with patients to help them make informed decisions about their health. Above all, she believes in providing a comfortable environment where patients feel confident that they are getting the best treatment.

Dr. Katarina Tu

Dr. Joan Chung is a General Dentist who earned her DDS degree from the University of California in San Francisco. She grew up in Atlanta, Georgia where she completed her Bachelor of Science in Biology at the Georgia Institute of Technology before moving to the Bay Area to follow her career path to dentistry.

Dr. Joan Chung


White Dental Fillings

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Porcelain Veneers

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Mouth Guards & Sports Guards

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Sleep Apnea & Medicine

Sleep apnea is a prominent sleep-related disorder where the patient experiences short pauses in breathing while asleep. This is caused due to a partial or complete blockage of the airway …

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TMJ or Temporomandibular Joints are the facial joints that connect the lower jaw to the skull. The TMJ is present on either side of the face and can be located …

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Periodontal Therapy

Periodontitis is the most prominent gum disease and is often known to be incurable. However, with the right treatment at the right time can help reduce its severity and control …

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Third Molar Extractions

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Teeth whitening

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Has your malocclusion been bothering you for a while now? If so, you could be having a few orthodontic treatment options on your mind, such as metal braces, clear braces, …

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Pediatric Dentistry

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Crowns & Bridges

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Emergency Dental Services

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Preventive Care

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General Dentistry

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Full Mouth Reconstruction

Full mouth reconstruction includes an overall assessment of the patient’s oral health and providing cosmetic and restorative treatment solutions to all the identified concerns. In a nutshell, full mouth reconstruction …

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Smile Makeovers

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Cosmetic Dentistry

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Dental implants

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What our patients are saying...

"I was a referral to Dr. Lees office and to my surprise the service that I have received has been amazing. The staff are all friendly and extremely professional and I look forward to continuing my dental care with Dr. Lee and his team."

"I really love doctor's Lee's office. Office itself is very bright and clean. There is always relaxing music playing on background. Stuff is very nice and professional. I would recommend it to everyone who needs a professional care. Love it!"

"I've been a happy patient for almost 2 years now. Dr. Lee and his team have been amazing, and they really care about their patient's dental wellness. Will definitely continue coming here."

"Nice staff and very knowledgeable dentists."

"Friendly and good service"

"I was very pleased w the teeth cleaning service. Heather was very patient and thorough and no pain at all. Dr. Richard Lee was understanding and did not hurry me to finish right side of my crown due to my high blood pressure. The dental office while busy is kept clean. I highly recommend Dr. Lee to…"

"I love going to this dentist office. I have been going here for the last 10 years I believe, and the service is always amazing. The dentists here are always on point, helpful, kind, and considerate. They have great communication through email, texts, and/or phone calls. They work very well with you…"

"I have been a happy patient for a little over 3 years now and I don't plan on going anywhere! Dr. Lee and the team have been awesome!I had an implant done with Dr. Lee and all went very well. I have also had deep cleanings and fillings from the other Doctors and have not had any bad experiences ove…"

"I need tooth implant. When my general dental doctor told me he could do that, I was alarmed as I didn't think he had the training for that. I came to Dr. Lee's dental office about 5 years ago based on his radio commercial as a specialist in tooth implants. Due to my special situation, Dr. Lee asked…"

"I love going to this dentist office. I have been going here for the last 10 years I believe, and the service is always amazing. The dentists here are always on point, helpful, kind, and considerate. They have great communication through email, texts, and/or phone calls. They work very well with you…"

"Courteous staff. Zero wait time. Very responsive when rescheduling is needed. Helpful reminders when appointment approaches. Most importantly, the skills of the doctors and staff are top notch. Been there in the past 5 years and always good experience with work of different complexity. Doctors and …"

"Great service, honest advise, caring staff! Dr. Katarina is awesome."

"Great friendly staff and wonderful service.  Trustworthy people and they know what they are doing. Dental hygienist Anh thi Nguyen does a thorough job.  I will come back."

"Great staff! I love going to this clinic. I always feel my teeth are well taken care of. Agnes, Dr.Lee and the front desk crew are always amazing and professional. They are very informative, approachable, and very friendly. Thank you for your great service!"

"Great team!  Most friendly and efficient staffs.Top skilled dentists provide the best quality work. My whole family go there and I would refer them to all my good friends!"

"I highly recommend Dr. Lee and his staff as they are courteous and professional.  We went through several dentist and are  very pleased with Dr. Lee and his staff.  The care is very good they explain in detail what needs to be done .  I would not go  any ware else Their wor…"

"Had my first appointment about 2 days ago and my first one there was amazing, I’m scared of the dentist but I felt comfortable and in good hands i had nothing to worry about, they tell you upfront how much you will need to pay on your next appointment which I love, probably the best dentist there i…"

"5 stars for Dr Tu. She's an excellent dentist."

"I live in Foster City and travel down the peninsula to see Dr. Lee and his staff. The office is amazing! Super clean and everyone is friendly. Ahn-thi is the dental hygienist who cleans my teeth and she is very friendly and does a great job! My last visit I got an A+ on my checkup, a few little "…"

"My wife and daughter have been coming here even since it opened its door.  I’ve been coming here for the past five years.  The office is clean and modern.  Front desk personnel is friendly.  Dr. Lee and Dr. Chung are both great.  Dr. Lee worked on my cavities and Dr. Chung …"


1298 Kifer Road Suite #501, Sunnyvale, CA 94086

Office Hours

MON - TUE 8:00 am - 6:00 pm

WED Closed

THU - FRI 8:00 am - 6:00 pm

SAT 8:00 am - 4:00 pm

SUN Closed

Get in Touch

Email: [email protected]

Phone: (408) 830-0123