Meet The Team

At the core of our dental practice is a friendly team of professionals that are dedicated to your utmost comfort and optimal oral health.  We view each patient as a unique individual, and tailor each treatment to your specific needs.  As part of our commitment to providing close, personalized attention to every patient, we want to encourage patient communication.  Please know that we are here to provide outstanding patient care, and that we value the trust you have placed in us.





Martin C. Courtney, DDS

Dr. Martin C. Courtney received his Doctor of Dental Surgery degree from USC School of Dentistry in 1983. He has been providing excellent, gentle dental care to his patients for over 32 years. Dr. Courtney stays current with the latest advancements in the dental field by taking twice as many education courses as required by state law. Dr. Courtney is a member of the American Dental Association, California Dental Association and San Fernando Valley Dental Society.



Donna Markovich

Office Manager

Donna is the first point of contact you will meet either on the phone or in person at Dr. Courtney’s office. She comes to the office with over 30 years experience in the dental field. Donna started her career as a Registered Dental Assistant and found her true passion was working in the front office. However you may occasionally find her in the back office assisting Dr. Courtney when needed. When not in the dental office Donna enjoys spending time with her husband, 4 children and 5 grandchildren


Mariana Vargas

Dental Assistant

Mariana has been a dental assistant for 6 years. She is new to our office and is looking forward to growing with the practice. In her free time she enjoys watching movies and spending time with her family and friends.


Shellie Zuckerman

Dental Hygienist

Shellie has been practicing dental hygiene since 1975 when she graduated from USC Dental School. She took a break to raise her two lovely children has been back in the field now for 8 years. She loves doing dental hygiene and loves being part of a dental team. When she is not cleaning teeth, she loves to visit her grandchildren in New York and in Reseda California.