At our Mill Valley dental practice, we are committed to delivering top-tier modern dental care in a comfortable and stress-free environment. Our team, led by Dr. Denys Kovalchuk, strives to provide dental care that is both effective and minimally invasive. Our services, anchored in the latest scientific research, are dedicated to preserving natural teeth and ensuring long-term oral health.
Our Comprehensive Dental Services
We offer a broad spectrum of dental procedures, utilizing state-of-the-art technology and informed by cutting-edge scientific research. Our services include digital X-rays, dental cleanings, porcelain crowns and veneers, digital smile design, dental implants, one-visit crowns, whitening, tooth-colored fillings, Invisalign, Botox, and cosmetic composite bonding. Our goal is to provide personalized care that meets the unique needs of each patient.
Dental Insurance and Billing
We understand that navigating dental insurance can be challenging, which is why our team is here to assist. We accept a variety of major insurance plans and will help you understand your coverage and any potential out-of-pocket costs.
Meet Dr. Denys Kovalchuk
Dr. Kovalchuk, originally from Ukraine, earned his degree from the National Medical University's Department of Dentistry in Kyiv. He later moved to the United States in 1999 and continued his advanced studies in California, graduating with honors from the University of the Pacific School of Dentistry in 2008. Dr. Kovalchuk is dedicated to continuous learning and regularly participates in courses conducted by globally acclaimed dental experts, ensuring his patients benefit from care that is based on the latest dental practices and technologies.
Office Environment and Facilities
The reviews highlight the pleasant experience of patients at the dental office, with many commenting on the comfortable and welcoming atmosphere. The office is described as "immaculate, " "state-of-the-art, " and having "great views."
Staff and Doctor
The staff and doctor are consistently praised for their professionalism, kindness, and attentiveness. Patients comment on the warm welcome they receive from the receptionist, the courtesy of the doctor, and the thoroughness of the dentist.
Service and Treatment
Patients are pleased with the quality of service and treatment they received, with comments on the gentle and efficient nature of the dentist. Some patients mention specific procedures, such as orthodontic work, that were well-done and pleasing.
COVID-19 Precautions
One reviewer notes the office's efforts to keep patients safe during the pandemic, including text-based check-in and COVID-19 precautions at the front desk.
Appointments and Communication
Some patients comment on the ease of scheduling appointments and the office's communication style, with one reviewer noting that the doctor personally pops in to check on patients during appointments.
Negative Review
One patient had a negative experience, citing cancelled appointments twice in a row and a lack of professional handling of the situation.

Be the first to review Denys Kovalchuk, DDS.
Write a Review