Welcome to Our Practice

Welcome to Paul A. Diercks, DDS, Your Dentist in San Mateo, CA

Our team uses the latest technology and materials to make each patient’s dental visit as relaxed and pain-free as possible. We love getting to know our patients and enjoy helping them create and keep the smile of their dreams. Dr. Paul Diercks, DDS stresses patient education and believes that a patient that is educated about their oral health can make better decisions about their treatment.

We provide quality dental care, conveniently in your neighborhood and cater to your schedule. Because your comfort is important to us, we offer many of the modern amenities you’ve come to expect in a dental office. We believe that whatever your dental needs may be, you will be treated with the highest quality dentistry available and with the most compassionate, respectful care you deserve.


Infection control has always been a top priority for our practice. Our office follows infection control recommendations made by the American Dental Association (ADA), the U.S. Centers for Disease Control and Prevention (CDC), and the Occupational Safety and Health Administration (OSHA). We follow the activities of these agencies so that we are up to date on any new rulings or guidance that may be issued. We have implemented some additional procedures with the concern of COVID-19 exposure to further enhance our infection control procedures.

You may see some changes when it is time for your next appointment. We made these changes to help protect our patients and staff.

Contact Us

Send us an email today!

Meet Our Dentist


    San Mateo Dentist Dr. Paul Diercks, DDS has been practicing dentistry in San Mateo since 1998. He provides the latest treatments in dentistry including digital x-rays, cosmetic dentistry, dental implants and children’s dentistry.


Our Reviews

  • "Paul is a consummate professional and an outstanding dentist. He takes a meticulous, thorough and holistic approach to dentistry - while my first visit was a bit rough, he helped me realize precisely how to improve my oral hygiene in order to meet his high standards. Every visit afterwards was nearly painless. The guy knows what he is doing, and he is invested in every aspect of his patients’ oral health.

    He is friendly, knowledgeable and caring. I strongly recommend his services to anyone in San Mateo County seeking a dentist, and I wish he and his assistant Christy all the best!"
    JACK S.
  • "Paul is a great dentist but what sets him apart, aside from being incredibly patient and gentle, is his genuine care for your wellbeing and not just his bottom line.

    When you step into his office you are getting the attention of a person focused on your health."
  • "When I moved from Fremont to San Mateo, I decided to find a new dentist closer to my home. I randomly picked Dr. Paul from the Metlife website and I got lucky. He is always able to see me at 7:30am before I have to go to work. I’m pretty good about brushing and flossing so I’ve only had him do my exam and cleanings. I’m very happy with his services. And he always answers my questions in language I understand no matter how silly they are.

    5 stars for Dr. Paul! Love how he gives me a really good toothbrush, too!"
    MISS C.

Featured Articles

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  • Fillings

    If you have never had a cavity, congratulations! If you have had one, you are not alone. About 78% of us have had at least one cavity by the time we reach age 17, according to a 2000 report by the U.S. Surgeon General. Fortunately there's a time-tested treatment for cavities: the dental filling. Fillings ...

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  • Orthodontic FAQs

    What do orthodontists do? Orthodontists are dental specialists who diagnose and treat problems with the position, alignment or spacing of the teeth, and related irregularities in the face and the jaw. A number of special treatments, including braces and other oral appliances, are used to correct these ...

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Our Location

320 N San Mateo Dr. Suite #3 San Mateo, CA 94401

Hours of Operation

Our Regular Schedule

San Mateo Dental Office


7:30 am-5:30 pm


7:30 am-5:30 pm


7:30 am-5:30 pm


7:30 am-12:00pm | 12:00 pm-5:00 pm By Appointment


By Appointment Only


By Appointment Only