San Ramon, CA Orthodontist Office Staff

At McElroy Orthodontics in San Ramon, CA, we put your needs first to achieve efficient and comprehensive treatment. Our well-trained staff strives to provide professional service in a comfortable and friendly environment. Each member of our treatment team is a registered assistant, and our office staff has years of experience treating patients with the highest level of care. We stay abreast of the latest technological advancements by regularly attending continuing education courses and seminars.


Jennifer Parker, RDA

​Jennifer began her career in dentistry in 2007 and then became a Registered Dental Assistant and joined Dr. McElroy in 2010. She has experience in general dentistry, but her passion is orthodontics. She loves seeing the transformation our patients go through during their treatment, and the community feels of seeing our patients every month. When she is not in the office, Jennifer enjoys spending time with her family and friends. She and her husband spend most weekends either wakeboarding on the Delta, or dirt biking in the mountains.


Lorena Zarco, RDA

Having been in the dental field for over 20 years, Lorena is the perfect person to help with all aspects of your treatment. After graduating from Brymann College in San Francisco, Lorena’s dental career took her all throughout the Bay Area. After working in the general dental field for 3 years, she started assisting in orthodontics, where she met Dr. McElroy almost 20 years ago. She continues to be a huge asset to his team and enjoys helping her patients through their journeys. Lorena loves to see patient’s smiles and confidence change over time, and how happy they are after each treatment.


Stephanie Holton, RDA

Stephanie is a Registered Dental Assistant and has been with Dr. McElroy’s office since 2017. Having worked in the orthodontic field for 14 years, Stephanie is bound to have the answer to any questions about all aspects of the office. As treatment and financial coordinator, she can be of assistance with insurance billing and scheduling appointments. She is a San Leandro native, attended Moreau Catholic High School, and graduated from Western Career College’s Dental Program. When she is not helping patients in the office, Stephanie is spending time with her husband and two young children.


san ramon ca orthodontist office manager deb mcelroyDeborah McElroy, Office Manager

Dr. McElroy’s wife Deborah has worked behind the scenes managing the bookkeeping and payroll since 2005.

She recently joined the team at the front desk, working on project upgrades within the practice, and helping out in various capacities.