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.

read more

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


Porcelain Veneers

Veneers are tooth restorations made from dental-grade porcelain. They will be bonded to the front surface of the teeth using dental adhesives and are used to treat common cosmetic issues ...

View More

Dental implants

What are dental implants?A natural tooth consists of a root and a crown. If you compare natural teeth to implant-supported replacement teeth, you’ll see they have the same basic parts. ...

View More


Replacing your missing teeth with denturesA denture is an appliance that replaces natural teeth and provides support for the cheeks and lips.There are different types of dentures including:A conventional denture, ...

View More

Emergency Dental Services

Whether you are a new or current patient, we offer same-day emergency services to make sure our patients are comfortable. In addition to our regular office hours, we can be ...

View More

White Dental Fillings

Fillings are one of the simplest and most widely used dental restorations. They are used to fill cavities, cracks, occlusal grooves, reshape teeth, and fill excessive gaps between adjoining teeth. ...

View More

Teeth whitening

Having a beautiful smile may be even easier than you think. Many people achieve the look they’ve been dreaming of with our simple “whitening” procedure.What can cause tooth discoloration?There are ...

View More

Crowns & Bridges

Dental CrownsWhere damage to a person’s teeth is significant, or a large filling is putting the tooth at risk for fracture, we can use crowns to protect and repair the ...

View More

Mouth Guards & Sports Guards

Athletes train hard to maintain their fitness and get better at their sport, day in and day out. During their rigorous training sessions, suffering an injury to the mouth is ...

View More

Sleep Apnea & Medicine

Have you ever heard of a health condition called sleep apnea? Patients with sleep apnea usually face troubled breathing in their sleep. The condition is characterized by frequent pauses in ...

View More


Have you ever heard clicking or popping sounds when you move your lower jaw? This could be due to the movement associated with the TMJ or the Temporomandibular Joint. It ...

View More

Periodontal Therapy

Periodontitis is a severe oral condition that affects the gums. It is characterized by certain devastating symptoms, and if left untreated for a long time, it can take a massive ...

View More

Third Molar Extractions

The last teeth or the third molars that erupt within the mouth, at approximately 17 to 19 years of age is the wisdom teeth. Some might get it early or ...

View More


The invisible way to straighten your teeth without braces. To discuss clear braces in the Sunnyvale CA area, please feel free to contact us to schedule an appointment.For information on ...

View More

Pediatric Dentistry

At Bay Smile Design, we welcome families and are happy to make our office your child’s “dental home.” The first “regular” dental visit should be just after your child’s first ...

View More

Preventive Care

As your family’s dentist, we offer dental preventative services including exams, cleanings, fluoride, and sealants. We welcome patients of all ages and believe an early start is the best way ...

View More

General Dentistry

A general dentist is one who treats all types of common dental issues such as cavities, discoloration, gum diseases, accumulation of plaque and tartar on the teeth, damaged teeth, etc. ...

View More

Full Mouth Reconstruction

Full mouth reconstruction, as the term suggests, includes all the processes which improve the condition of the teeth, gums, and the entire mouth. Some of the oral issues that full ...

View More

Smile Makeovers

A smile makeover is a combination of several cosmetic dental procedures that work in unison towards improving the appearance of the smile. You would be a perfect candidate for a ...

View More

Cosmetic Dentistry

Make your smile beautiful with usUsing advanced cosmetic dental treatments and materials, your Sunnyvale, CA Cosmetic Dentist, Dr. Lee, Dr. Tu & Dr. Chung, can make a real difference. The ...

View More

Ready to book an appointment?

click here

What our patients are saying...

"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 ..."

"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 y..."

"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 o..."

"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 ask..."

"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 y..."

"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 an..."

"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 w..."

"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..."

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

"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. Chun..."

"Dr Tu is the best! She is very gentle and professional!! I did root canal with her. And I didn't feel any discomfort and she is very efficient too!!! Will come back for any oral work!!"

"This is a long overdue review, for Dr. Lee and his team. I've been coming here for around 5 years on the recommendation of my mom. Originally, I didn't want to listen to my mom because I thought I'm an adult and can figure things out on my own - aka I found my own dentist on Yelp. I was seeing th..."

"Dr. Tu is so professional and creates a warm environment. The team was able to accommodate my unplanned dental issue and so happy that they always treat me like I am number 1.You are awesome!j'me"

"I recently came as a new patient to Bay Smile Design. The first thing I noticed was how immaculate and nice the office was and they seem to have updated tech I haven't seen at my past dentists. The front desk was very friendly and responsive to my questions. After I had filled out my paperwork, t..."

"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. Chun..."

"I was originally a patient of Dr. Huang for 20+ years and was transferred to this office around 2013 after they merged practices. I couldn't be more happier!Dr. Tu and Dr. Lee and their staff are fantastic, professional, fun, and stay on top of all the latest technology and best practices in dent..."

"This is the first time I went to Richard Lee because of the recommendation from one friend of mine, to my surprise, it's a wonderful experience. I like the office and the staff. My wife and I both have the second appointment in the end of this year, we all like this place."

"great atmosphere staff isnt as bad as most places. great office"

"Dr. Tu is absolutely amazing. I’m the type of person who was terrified of going to the dentist. It was probably at least 6 years up until a couple months ago that I told myself that I have to go and get my teeth fixed. I shopped around online looking at reviews of women dentists, and once I saw a..."

"Drs. Richard Lee & Katarina Tu Make your visit as smooth and comfortable as possible. Great location. Friendly staff. One of the best dental offices In the Bay Area!"

"I am a patient of Dr. Lee since 2002. He has helped me to restore my bad/ dark teeth and gave me a total new smile. He is very thorough with every process and details. The way he shaped my teeth is very nice and the quality of the crown is one of the best. After 16 years, my teeth are still brigh..."

"At the age of 75  my first dental implant was recently completed by Dr. Richard Lee.  I am fully satisfied, gladly to write this review (my first review for any business) and will not hesitate to recommend his dental service to my family and friends.  The office is clean and pleasa..."

"Dr. Tu is great~!"

"Dr. Tu is a very detail professional dentist.  I highly recommend her!"

"I  have nothing against dentists but I don't like going to the dentist unless I really  have to. I get so nervous. but, I needed to see a dentist right  away because  of pain and slight swelling . I googled quite a few places with good reviews and called but most of them don't..."

"Awesome dentist office! I have dreaded going to the dentist my whole life and when I moved here a year ago I dreaded the thought of having to find a new dentist, but boy am I glad I found Dr. Tu and Dr. Lee! They are both amazing. I have mostly worked Dr. Tu and I love her! She is so patient and ..."

"Dr. Tu was very gentle and warm. The whole process was not painful at all.."

"Dr. Tu is an excellent dentist!  She is compassionate and talented, and her office even worked me in on a Saturday when I called to report a problem on a Thursday afternoon (I wasn't available Friday - they were even willing to work me in then!).  The hygienists are also outstanding; th..."

"Thanks to Dr. Lee for helping me with my toothache immediately after I contacted him. He provided the detailed  diagnosis and explained the options of the treatment. Thanks so much for his prompt and friendly attention!"

"Dr. Lee and staffs provide professional and skillful services.  My families are thankful for their excellent works."

"I am most appreciative and grateful to Dr. Huang. In his retirement, he still agreed to do an implant for me. This is a four month effort. As for workmanship, as always, Dr. Huang did a top top notched job."

"They were vey courteous and did a great job on my cleaning, much better than I had before at other places."

"Dr. Lee, Dr. Huang and their staff are very professional, I am very happy with their treatments and services.I got the implant of teeth with Dr. Lee two years ago, the implanted teeth have been excellent since I got them.I recommend you to see Dr. Lee if you want to implant your tooth/teeth."

"Dr Lee has done an excellent job on my teeth implant and denture. I'd strongly  recommend him to my friends and coworkers."

"I had a fractured tooth and needed an extraction. I wasn't able to come in for a appointment until 6pm. Dr. Lee and his staff stayed after to help me with the procedure and were extremely thorough and nice throughout the procedure process. Not only this, but this is the first dental office where ..."

"Great place."

"Really like the service and supper appreciate the repeated reminders.  I haven't missed a single apt.They also work with me on how i see the cost and work on my teeth.Doctor, assistants and front desk people are all nice.Hense the 5 stars."

"Excellent services."

"People are friendly, organized, and they take care the health of our teeth. Thank you!"

"Awesome place and amazing staff!! I highly recommend this Dental Office!! First time for a long time I felt so comfortable during the treatment and I'm so happy with the results!! Thank you for your kindness and such professional service!! Will come back for sure!!"


"Everyone was super helpful and I appreciated that they worked so hard to get me into their schedule since I was having pain in one of my molars. I was happily surprised that they have Saturday appointments, I have been looking for weeks to find someone to see me on the weekend so I wouldn't have ..."

"This dental office is very attentive  abut their patients  care."

"Very nice place, and the peoples are friendly."

"Super professional service. I enjoy each of my visits."

"very good"

"I was referred here by my previous dentist of 30 years.  The services are great and the offices are modern and clean.  I like how they have embraced modern forms of communication. They are reachable through email, SMS and, of course, telephone.  They will send you reminders any way..."

"I'm Dr. Lee's patient for years. He is very thoughtful, and can always give me very good treatment with his professional knowledge."

"My family has been with Dr Lee for many years.  We are very impressed with his expertise , attention to detail, and professionalism.  Dr Lee does not compromise on quality.  He insists on using the most appropriate methods and materials treating all conditions.  When condition..."

"A great professional team to be with.  Richard and his partners are dedicated and skillful about teeth.It is nice to know them and I am glad to be in good hands."

"Dr. Lee  and Dr. Huang  have merged locations.  After being a patient of Dr. Huang  for 8 years I expect to be just as happy with Dr. Lee, even tho I will miss Dr. Huang when he retires.The staff is very efficient, friendly and helpful."

"Dr. Lee is the best dentist I ever had. The office environment is hygienic, facilities are advanced, and people are nice and professional. I highly recommend Dr. Lee."

"Dr. Richard Lee did a crown for me.  . It is a very difficult case. Dr. Richard Lee is extremely nice and knowledgeable. I would not hesitate to refer patients to Dr. Richard LeeReview by Stanley Lee DDS"

"I am delighted to know Dr. Richard Lee. Dr. Lee had treated my distressing dental problems several times. Each time Dr. Lee explained the different options of treatments in detail. He is patient, skillful, experienced, careful, amiable and knowledgeable. I highly recommend Dr. Lee. "

"Hands down the best!!! Ive been coming here for almost 2 years now and I actually look forward to my next visit. My teeth have never found any better care than from these talented individuals!"

"Best experience. Recommended."

"I like the contemporary design of this dental office. It looks and feels clean. I like the white walls which makes it feel open! It seems super high tech and Dr. Huang did such a great job with my cleaning and filling change! I would definitely recommend this practice!"

"Just left the dentist office. I had a wonderful experience with Dr Joseph Huang. He is extremely professional. He did a remarkable job on my dental crown. Happy to have him as my dentist."

"My mom was not a big fan of dentists, in fact, she hasn't visited one in over 3 years. So imagine how scared she was when she realized she had cracked her tooth over breakfast one morning. My friend had recommended Dr.Lee to us and upon hearing about my mother's pain and fear he was nice enough t..."

"I have been his patient for over 4 years and have been happy with his service.  He is professional in his work as a dentist and respectful toward his patients.  He earned my trust and respect for him.  I highly recommend him as a dentist."

"Dr Lee is the best, he care about his patient and very knowledgeable, I referred all my friends to see Dr. Lee"

"I loved it! I recommend them!"

"I'm finally happy about my new smile, the care I received from Dr Shimizu from Menlo Park Smile Design exceeded my expectations. I'm pleased to recommend her to everyone."

"The best!!! Thank you!"


1298 Kifer Road Suite #501, Sunnyvale, CA 94086

Phone: (408) 830-0123

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