Experience the Art of Comfortable Dentistry
At Mark R. Koenen DDS, we are dedicated to providing compassionate and comfortable dental care to our patients. Our team of experienced dentists, hygienists, and staff are committed to delivering exceptional service and personalized attention to each patient. We believe in building long-term relationships with our patients and strive to make every visit to our office a pleasant and stress-free experience.
Our Mission
Our mission is to provide comprehensive and personalized dental care that meets the unique needs of each patient. We are committed to staying at the forefront of dental technology and techniques, ensuring that our patients receive the best possible care. Our goal is to help our patients achieve optimal oral health, self-confidence, and a beautiful smile that lasts a lifetime.
Our Services
We offer a full range of dental services, including teeth cleanings and x-rays, tooth-colored composite fillings, porcelain crowns and veneers, and implants that replace missing teeth. Our comprehensive care includes family dentistry, cosmetic dentistry, dental hygiene visits, periodontal care, oral cancer screenings, digital x-rays, intraoral photographs, night guards for TMJ problems, restorative dental treatment, preventive care, crowns and bridges, full and partial denture appliances, and teeth whitening. We also work with a team of specialists for orthodontic, endodontic, and oral surgery needs.
Our Team
Our team is led by Dr. Mark R. Koenen, a highly skilled and experienced dentist who has been serving the Danville community since 1997. Our staff includes registered dental assistants, hygienists, and office managers who are dedicated to providing exceptional patient care. We are members of the American Dental Association, California Dental Association, Contra Costa Dental Society, and the Diablo Implant Study Group.
Our Office
Our dental office is located in Danville, California, and serves patients from Danville, San Ramon, Alamo, Blackhawk, Lafayette, Walnut Creek, Pleasant Hill, Concord, Dublin, Pleasanton, Livermore, and beyond. We offer convenient hours, free parking, and a comfortable and relaxing atmosphere. We accept a range of payment options, including Visa, MasterCard, Discover, Checks, and Care Credit, and are insurance-friendly.
Patient Reviews
Don't just take our word for it! Our patients rave about our exceptional care and personalized attention. "Great dentist who gives you honest advice and has a nice office. Been coming here for a long time and highly recommend him!" - Aaron W. "Been coming here for about ten years now. Honest good people. My kids LOVE coming here. They actually get excited when it is time to see the dentist." - Cherelle G. "Superb experience. Dr. Koenen provided excellent dental treatment and repair of a failing existing filling. I highly recommend him." - Vincent N.
General Impression
The reviews of Dr. Koenen's dental practice are overwhelmingly positive, with 25 out of 26 reviewers giving 5-star ratings. The reviewers praise Dr. Koenen's professionalism, kindness, and expertise, as well as the friendliness and efficiency of his office staff.
Praise for Dr. Koenen
Reviewers consistently praise Dr. Koenen's gentle and informative approach, stating that he takes the time to explain procedures and answer questions. Many reviewers mention feeling anxious or nervous about dental visits, but Dr. Koenen's manner put them at ease. His attention to detail, expertise, and commitment to doing only what is necessary are also frequently mentioned.
Office Staff and Operations
The office staff, including assistants like Patty and Denise, are consistently praised for their friendliness, helpfulness, and efficiency. The office is described as well-run, clean, and welcoming.
Comparison to Other Dentists
Several reviewers compare Dr. Koenen favorably to other dentists they have seen, stating that he is more thorough, honest, and professional. Some reviewers mention that they have followed Dr. Koenen from other practices or have traveled significant distances to continue seeing him.
Minor Criticism
The one 4-star review mentions a hygienist who did not polish the reviewer's teeth well, but this was an isolated incident and did not detract from the reviewer's overall positive opinion of Dr. Koenen's practice.

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