We Keep Rancho Cucamonga Smiling

7319 Milliken Ave Ste 110
Rancho Cucamonga, CA 91730

Book Your Dentist Appointment

Or call 909-945-3650

Office Hours

Mon    9:00 AM - 5:30 PM
Tues    8:00 AM - 5:00 PM
Wed    9:00 AM - 5:30 PM
Thurs  7:00 AM - 3:00 PM
Fri        7:00 AM - 3:00 PM
Sat       Closed
Sun      Closed


We are OPEN for ALL dental care procedures and emergency needs. Protecting the health and safety of our patients, families, and team members remains our number one priority. Open select Saturday's for your convenience, Please call to check availability.

Google map of Rancho Cucamonga Smiles Dentistry

Office Information

on the corner of Base Line and Milliken, in the Ralph's shopping center


Rancho Cucamonga Smiles Dentistry

7319 Milliken Ave Ste 110

Rancho Cucamonga, CA 91730

P: 909-945-3650

F: 909-945-3659

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We accept and honor most dental insurance plans.

The following are just a few of the dental insurance carriers we're providers for: 

John Hsieh
John Hsieh, DMD
Rancho Cucamonga Smiles Dentistry
"We provide a friendly and professional environment where you can feel comfortable. I will educate you about your dental treatment as if you were my own family. Every treatment is done with the utmost care and attention to detail."

We pride ourselves on our service.

We use advanced proven technology to keep your smile looking the best! Modern dental technology like Digital X-Rays and CEREC® CAD/CAM single-visit crowns allow care that's faster, less invasive and more efficient than ever before.

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What patients are saying

Welcome to Rancho Cucamonga Smiles Dentistry

We aim to provide you with the best dentistry possible. Our team is dedicated to work with you and help answer any questions you may have regarding your treatment plan or oral health. We want to give you the smile that you deserve. We are located 7319 Milliken Ave, Suite 110, on the corner of Base Line and Milliken, in the Ralph's shopping center. Our dental office is here to serve the local community the best we can and are proud to partner with the City of Rancho Cucamonga, Chaffey College, and Rancho Cucamonga Quakes. Schedule an appointment with us using our online scheduling feature. Our dental team even offers teledentistry so you can virtually connect with one of our dentists from the comfort of your home. All you need to connect is a smartphone, tablet, or computer. We're always accepting walk-ins and dental emergencies. Do not hesitate to call if you're experiencing a dental emergency such as swollen or bleeding gums, teeth pain, or oral discomfort. We'd be more than happy to make the appropriate accomodations for you to be treated as soon as possible. We accept many insurance plans and even have a discount plan of our own. We hope to see you soon!