Dentist in Sunnyvale, CA: Family, Cosmetic & Emergency Care

Q: Where is Smile Center Silicon Valley located?

Our office is located at 877 W Fremont Ave, Suite L-3, Sunnyvale, CA 94087, near the intersection of W Fremont Ave and Mary Ave. Free parking is available directly in front of the practice.

Smile Center Silicon Valley is a family, cosmetic, and emergency dentist at 877 W Fremont Ave, Suite L-3, Sunnyvale, CA 94087, led by Dr. John Vellequette, DDS, MAGD, alongside Drs. Stephanie Fung, Houn Young Kim, and Anthony Tat. The practice accepts Delta Dental and most PPO insurance plans, offers an in-house dental membership plan, and holds same-day emergency appointments. Call (408) 245-7500 to schedule your visit.

We have cared for Sunnyvale families for decades, providing everything from routine preventative checkups in Cherry Chase and Ortega Park to dental implants, Invisalign, and cosmetic dentistry in Sunnyvale for patients who drive in from Santa Clara, Cupertino, and Mountain View. Dr. Vellequette holds both the Fellowship (FAGD) and Mastership (MAGD) awards from the Academy of General Dentistry—a distinction held by fewer than 2% of general dentists nationwide.

Meet Our Doctors

Our team combines advanced clinical training with a compassionate, patient-centered approach.

Dr. John Vellequette, DDS, FAGD, MAGD

With decades of family dentistry experience in Sunnyvale, Dr. Vellequette holds Mastership in the Academy of General Dentistry and leads our practice with high-quality, compassionate care.

Learn More About Dr. Vellequette

Dr. Stephanie Fung, DDS

Committed to gentle, personalized treatment plans ranging from preventative maintenance to periodontal gum disease therapy.

Learn More About Dr. Fung

Dr. Houn Young Kim, DDS

Known for surgical precision and advanced continuing education, delivering exceptional results and comfort for South Bay patients.

Learn More About Dr. Kim

Dr. Anthony Tat, DDS

Fellowship-trained in dental implantology and oral surgery, providing comprehensive in-house implant placement and restorative solutions.

Learn More About Dr. Tat

Comprehensive Dental Care Services

Preventative Dentistry: Protecting Your Future

We focus on keeping your natural teeth clean, strong, and healthy to prevent future issues. Parents in Birdland and Lakewood Village love our gentle hygienists, cavity-preventing sealants, and digital X-rays and comprehensive exams.

Restorative Dentistry in Sunnyvale: Fillings, Crowns, Bridges & Implants

When a tooth breaks, chips, or hurts, you need a dentist who understands both function and aesthetics. Our general dentists handle the full range of restorative care under one roof, from tooth-colored fillings and porcelain crowns to dental implants and dentures.

Common Treatments: Fillings, crowns, bridges, and root canal therapy.
Same-Day Comfort: We keep daily openings for cracked molars or lost fillings.
See Real Results: Browse our before-and-after smile gallery.

Gum Disease & Periodontics

Specialized periodontal care, scaling, root planing, and long-term maintenance to protect your gum health and bone support.

Invisalign® & Orthodontics

Clear, comfortable aligners designed to straighten teen and adult teeth quietly without metal braces showing.

Emergency Dentistry: Because Smiles Can't Wait

Broken tooth? Sudden swelling? If you need an emergency dentist in Sunnyvale, we make room for same-day emergency visits whenever possible. We also offer sedation dentistry for anxious patients to keep every urgent visit stress-free.

Payment Options, Insurance & Membership Plan

We believe financial concerns should never stand between you and a healthy smile.

A Better Dental Experience Right in Your Neighborhood

Whether you are coming from Cupertino, Mountain View, Santa Clara, or Los Altos, our office on W Fremont Ave is your local dental home. We take pride in serving patient families across Sunnyvale, including:

Cherry Chase & Heritage District

Lakewood Village & Birdland

Ponderosa Park & Ortega Park

Frequently Asked Questions About Dental Care in Sunnyvale

Where is Smile Center Silicon Valley located?

Our office is located at 877 W Fremont Ave, Suite L-3, Sunnyvale, CA 94087, near the intersection of W Fremont Ave and Mary Ave. Free parking is available directly in front of the practice.

Are you accepting new patients?

Yes! We welcome new patients of all ages. You can book online via Zocdoc or call our office at (408) 245-7500.

Which dental insurance plans do you accept?

We are in-network with Delta Dental PPO and Premier and work with most major PPO dental insurance plans. For patients without insurance, we offer our in-house Clerri Dental Membership Plan.

Do you see same-day emergency dental visits?

Yes. We reserve time every weekday for urgent dental emergencies, severe toothache relief, and broken teeth. Call (408) 245-7500 immediately if you need emergency care.

Who are the dentists at Smile Center Silicon Valley?

Our team includes Dr. John Vellequette, DDS, FAGD, MAGD; Dr. Stephanie Fung, DDS; Dr. Houn Young Kim, DDS; and Dr. Anthony Tat, DDS.

What Our Patients Say

"I highly recommend Dr. Vellequette! Personable, professional, and knowledgeable. His staff are courteous, and I travel from the East Bay just to see him because he’s that good!"

"Dr. Vellequette has cared for my family’s dental health for over 35 years. He and his staff are professional, proactive, and always improving service through continuing education."

"Dr. Vellequette has been amazing and patient. The staff are always smiling and helpful—this office truly goes above and beyond for dental care services."

"Smile Center came to the rescue during a dental emergency and provided excellent care for my autistic son and elderly mom. My family couldn’t be more grateful."

"Staff are warm, efficient, and transparent with billing. This has been my family dentist since moving to the Bay Area, and I recommend them to everyone."

Visit Our Office

Contact Details & Practice Hours

Address: Smile Center Silicon Valley, 877 W Fremont Ave, Suite L-3, Sunnyvale, CA 94087
Phone: (408) 245-7500
Email: appointments@drjohn.net
Online Booking: Schedule via Zocdoc

Office Hours:

Monday – Thursday: 8:00 AM – 5:00 PM
Friday: 8:00 AM – 2:00 PM
Saturday – Sunday: Closed (On-call emergency instructions provided by phone)

Schedule Your Visit

Ready to take the next step toward your healthiest smile? Call Smile Center Silicon Valley today at (408) 245-7500 or request your appointment online. Whether you’re looking for family dentistry, gum disease treatment, or emergency dental care services, our dental professionals are here to help.