B. Jeffrey Kay, DDS

General Dentist and Cosmetic Dentist located in San Mateo, CA

B. Jeffrey Kay, DDS Dentistry


B. Jeffrey Kay, DDS, is a top-rated general and cosmetic dentist offering comprehensive dental care for patients in and around San Mateo, California. At his practice, B. Jeffrey Kay, DDS Dentistry, Dr. Kay is dedicated to helping patients maintain good oral health for a lifetime.

Dr. Kay earned his undergraduate degree from the University of California, Los Angeles, and went on to receive his doctor of dental surgery degree from the University of the Pacific. To stay up-to-date with the latest advancements in the field of dentistry, Dr. Kay maintains active memberships with the American Dental Association and the California Dental Association.

With over 20 years of professional experience, Dr. Kay is committed to providing compassionate, patient-centered care for both general and cosmetic dentistry needs. He offers each patient the most appropriate treatment options to help them enjoy improved oral health and more attractive smiles at every age.

At his practice, Dr. Kay offers routine checkups and dental cleanings, dental crowns and bridges, dental implants, and cosmetic dentistry options like veneers and teeth whitening treatments. The practice welcomes new patients and accepts most major dental insurance plans.

Dr. Kay has been a member of the community of San Mateo for over 30 years and is proud to continue serving the dental needs of patients in the area. Outside of the office, Dr. Kay enjoys hiking, cooking, and spending time with his two kids.



Our office offers same day appointments for patients. For availability please call

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Words from our patients

  • Yelp

    "I have severe anxiety about my teeth and going to the dentist and he made everything seem so easy and calm. He is very kind, empathetic, knowledgeable, and efficient."

    Lacey G.
  • Yelp

    "I just wanted to say that Dr. Jeffery Kay is incredibly super good. With his knowledge and experience, I will not trust any other dentist."

    Salim Z.
  • Yelp

    "Dr. Kay is gentle, caring and is happy to answer your questions. I ask a lot of questions and I never feel like he is getting inpatient with me."

    Mike L.
  • Yelp

    "Dr. Kay and his staff make going to the dentist almost pleasant!"

    Bess K.
  • Yelp

    "I feel that Dr. Kay is an honest individual who actually cares about the well being of his patients."

    Mario Z.
  • Yelp

    "It is so hard these days to find good doctors and dentist, but I can truly say I will be a patient of Dr. Kays for a long time."

    Brad S.


B. Jeffrey Kay, DDS
255 N. San Mateo Drive, Suite 3
San Mateo, CA 94401
Phone: 650-250-4706
Fax: 650-342-9055

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