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Meet Our Providers

learn about Page Street Dental
Cotati’s #1 team for all your dental needs, from Cosmetic Dentistry to Tooth Extractions. With our extensive knowledge, experience, and unwavering commitment to patient care, our team will ensure that you receive the highest quality dental treatment in a comfortable and friendly environment.

Dr. Leo C. Yang 


Dr. Leo Yang graduated from the State University of New York (SUNY) at Buffalo, School of Dental Medicine. He also earned a bachelor’s degree in biology from the University of Toronto in Canada. He received additional training and experience from the University of California, San Francisco (UCSF) and has been a Bay Area resident since then.

Dr. Yang’s friends and patients enjoy his fun-loving and outgoing nature. His passion for dentistry is apparent in everything that he does, with a can-do attitude that makes no problem too great in providing personalized general dentistry service in Cotati, and for all communities in the greater Sonoma County of California.

In addition to being a trusted and experienced professional dentist, Dr Yang is a past president of the Marin County Dental Society, a delegate to the California Dental Association, an active member of the American Academy of Cosmetic Dentistry, and the alternate delegate for the American Dental Association.

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Dr Yang is a "wizard" of a dentist. He is highly professional, more of a perfectionist I must say. He is very dedicated to his job and the level of service he provides to his patients is superb ! He is always up to date with all the latest technology/equipment and thoroughly explain the steps and procedures in details. I highly recommend Page Street Dental!"
–  F. Chong

Kimberly Brasil


Kimberly has been in dentistry for over 20 years now. She started her career as a sterilization tech in 2001, then as a dental assistant, and then got her license as RDA in 2010, while continuing to go to school to become a Hygienist, she graduated in 2013 from SRJC with an AS degree in dental hygiene.

Continuing her education in 2017, graduated with a BS degree in dental hygiene from the University of Minnesota and then completed the master’s program at Massachusetts College Pharmacy Health Science in 2020. Kimberly also received her alternative practice license in 2017 from the University of Pacific.

Kimberly loves dentistry and helping patients improve their oral health. When she isn’t working, she loves to give back to the community by volunteering at Hanna Boys Center, giving kids a smile day, and being a mentor through Mentor Me. She also enjoys hiking with her beagle Odie and spending time with her family and friends. Also loves football and is a huge Dallas Cowboys fan!

Great patient care and very friendly staff. Always great to get treated by Kimberly! She’s caring, understanding and takes time with the patient! Highly recommend Page Street Dental for your dental needs."!
– Anya L.

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Call Us Now for a Brilliant Smile! 

For general office details, click here to find our location and contact information.

Cosmetic and Restorative Dentistry from Top-Rated Dental Team.

Current Patients: 707-665-6122

Dr. Leo C. Yang
Kimberly Brasil, RDHAP-AS, BS, MS
7 Page Street, Suite A
Cotati, CA 94931
Monday: Closed
Tuesday: Closed
Wednesday: Closed
Thursday: 8:00 a.m. to 6:00 p.m.
Friday: 10:00 a.m. to 7:00 p.m.
Saturday: By Appointment Only
Sunday: Closed
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