Specialist Endodontist
Near San José
Yes — San Jose patients can reach our Sunnyvale specialist endodontic clinic in about 18 minutes from central San Jose. Dr. Jason Kung provides microscope-guided root canal treatment, retreatment, microsurgery, and multilingual support from one clinic at 1565 Hollenbeck Avenue.
Why San José Patients Choose Dr. Kung
San Jose is the largest city in the Bay Area, and many residents travel to Sunnyvale for specialty dental care. Dr. Kung's practice is conveniently accessible from North San Jose, Willow Glen, Berryessa, and the East Side via multiple expressways. We speak your language — our team communicates in English, Spanish, Traditional and Simplified Chinese, Vietnamese, and Farsi — making specialist care more accessible to San Jose's multilingual community.
Microscope-Guided Precision
Every procedure performed under the Zeiss OPMI operating microscope — the standard of care for specialist endodontics.
Same-Day Emergency Care
Tooth pain can't wait. We hold appointments for urgent cases every day, including weekends.
Your Dentist Stays Informed
A detailed clinical report goes to your referring dentist after every visit — you're in good hands, and so is your care team.
Serving the San José community
San José is large, so drive time depends on the starting neighborhood. From central San José, the Sunnyvale clinic is about 10 miles via I-280 North, De Anza Boulevard, Fremont Avenue, and Hollenbeck Avenue; Santana Row, Willow Glen, Berryessa, and Evergreen are useful reference points when planning travel time. All endodontic treatment is performed at our Sunnyvale clinic, where CBCT imaging and surgical-microscope care are available.
Neighborhoods we see patients from
- Willow Glen & Lincoln Avenue
- Almaden Valley & Cambrian Park
- Rose Garden & Naglee Park
- Berryessa & North San José
- Evergreen & Silver Creek
- West San José / Westgate & Santana Row
- Downtown San José & SoFA
Why San José patients come to us
- Cases referred by your general dentist that need a specialist's tools
- Cracked-tooth evaluations using the operating microscope
- Retreatment of older root canals that are causing renewed symptoms
- Apicoectomy / microsurgery when a non-surgical retreatment isn't appropriate
Driving from San José
From central San Jose, take I-280 north toward San Francisco, exit at De Anza Boulevard, then head north to Fremont Avenue and turn left. Turn left on Hollenbeck Avenue; 1565 Hollenbeck is about 0.2 miles ahead on the right. The trip is about 10 miles and 18 minutes from central San Jose; allow more time during commute traffic.
Care for patients coming from San José
Learn about the treatment most relevant to this city's service intent, then confirm the route and parking before your visit.
Treatments Available
All services are performed at our Sunnyvale office, a short drive from San José.
Root Canal Treatment
Single or multi-rooted teeth treated under the operating microscope for precision and comfort.
Endodontic Microsurgery
Apicoectomy when retreatment isn't feasible — performed with surgical-grade magnification and ultrasonic instrumentation.
Root Canal Retreatment
Failed or symptomatic prior root canals rescued with advanced imaging (CBCT) and microsurgical techniques.
Cracked Tooth Evaluation
Diagnosis of incomplete fractures — the most common cause of unexplained tooth pain.
Emergency Root Canal
Same-day evaluation and management of severe toothache, swelling, and dental trauma.
What Patients Say
4.9 stars across 193 reviews on Google, Yelp, and Healthgrades.
"I was terrified of root canals. Dr. Kung made it completely painless. I actually fell asleep during the procedure."
— Patient from the South Bay
"Came in with severe tooth pain on a Saturday. They saw me within the hour and I was pain-free by evening."
— Emergency patient
"The most technologically advanced dental office I've ever visited. The microscope setup is impressive."
— Referred patient
Common Questions
How do I get to your office from San Jose?
From central San Jose, take I-280 north toward San Francisco, exit at De Anza Boulevard, then head north to Fremont Avenue and turn left. Turn left on Hollenbeck Avenue; 1565 Hollenbeck is about 0.2 miles ahead on the right. We're at Suite 106 in Sunnyvale — about 10 miles and 18 minutes from central San Jose.
Do you speak Spanish or other languages?
Yes. Our team communicates in English, Spanish, Traditional Chinese, Simplified Chinese, Vietnamese, and Farsi. San Jose patients who prefer to discuss their care in a language other than English are warmly welcomed.
Are there endodontists closer to San Jose?
There are general dentists who do root canals in San Jose, but true specialist endodontists with graduate residency training and surgical microscopes are less common. The short drive to Sunnyvale gives you access to specialist-level care.
Does your office accept dental insurance from San Jose employers?
We work with most major PPO dental insurance plans. Please call (669) 234-2354 or contact us through our website and we'll verify your benefits before your appointment.
What if I have a dental emergency in San Jose on a weekend?
Call us at (669) 234-2354. We hold emergency slots on Saturdays and Sundays (8 am–3 pm) specifically for urgent toothaches, cracked teeth, and dental trauma.
Easy access from: Downtown San Jose · North San Jose / Alviso · Willow Glen · San Jose International Airport (SJC) · Lawrence Expressway · I-280 Corridor
Also serving nearby communities:
Ready to Schedule?
Most San José patients reach us in under 15 minutes. Same-day appointments available for dental emergencies.
1565 Hollenbeck Avenue, Suite 106, Sunnyvale, CA 94087