About the Staff

Dr. Alan Marcus and Staff

We are especially interested in making all our patients feel right at home! We put your needs first to achieve efficient and comprehensive treatment. Our staff is trained and skilled, and we strive to provide energetic and fun-loving service to each patient. Each member of our treatment team is a registered assistant, and our office staff has years of experience in treating patients with the highest level of care. We strive to stay abreast of the very latest in technology and advances by regularly attending continuing education courses and seminars.

Josephine Andreatta: Office Manager
Josephine was born in Malta and emigrated as a child. She now lives in South San Francisco and handles all aspects of running our practice.

Sarah Saephan: Registered Dental Assistant

Sarah was born in Thailand and also emigrated as a child. She assists Dr. Marcus and will be one of two Registered Dental Assistants working on you or your child.

Bridgett Collaco: Registered Dental Assistant
Bridgett was born in San Bruno and went to Mercy Burlingame High School. She lives in San Bruno with her two daughters and husband, who works for the San Francisco Fire Department.

Rachel Ong: Lab Technician and Sterilization Specialist
Rachel is our newest member of the team and hails from Daly City.