Dr Brooks Larson & Dr Steven M. Richardson | 235 S. Flower Ave., Brea, California 92821 | appointments@breadentistry.com
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Downtown Brea
235 S. Flower Ave. Brea, CA 92821

Our Staff


Mallory Martinez, Office Manager

Mallory attended Georgia Military College and has been working in the dental field for more than 8 years. Mallory treats every patient here at Brea Dentistry like they are her second family! As Office Manager, she strives to make sure that each patient has the very best possible experience at each and every visit! In her spare time she enjoys going to church and camping.  She and her husband have two beautiful daughters, Layla and Ava Rose.

Tricia Lamb, Financial/ Treatment CoordinatorTrisha

Tricia attended NOROP and has been in the dental field for nearly 30 years. Tricia can answer your questions regarding financials and/or treatment. She does her best to make financial arrangements that suit each patient’s needs. She is so proud to work for such ethical and amazing doctors and staff. Tricia cherishes her time with her husband of 25 years, her two beautiful children and her adorable new boxer puppy!

Andrea AndreaGamboa, Insurance/Appointment Coordinator

Andrea graduated from NOROP in 2009 and has been in the dental field ever since. Andrea is very knowledgeable about insurance benefits and strives to make sure every patient takes advantage of their available insurance benefits. She enjoys getting to know our patients and helping them feel comfortable and welcome with every appointment! In her spare time she enjoys spending time with her family, hiking, traveling and going to Angels games! 

Dianna Rosander, RDH B.S.Dianna

Dianna graduated from the University of Southern California in 1995 and has been practicing as a dental hygienist ever since. As a dental hygienist, she loves that she is able to develop personal relationships with patients while improving their overall health at the same time! Dianna has one son and has been married for more than 25 years.  She loves all kinds of outdoor activities, along with her new hobby which is bike riding!

Gina Ross, RDHGina

Gina is a graduate of Pasadena City College’s Dental Hygiene Program where she was presented with the Clinical Achievement Award. She has been passionate about practicing dental hygiene in the community for over 18 years, 15 of which have been at this very practice! Gina’s favorite part of being a Dental Hygienist is the personal fulfillment that comes from partnering with patients to help improve their oral health. She loves that she can provide a valuable service while establishing caring and trusting relationships with patients. In her spare time, Gina enjoys volunteering, reading, traveling, art and trivia. She has been married for 10 years and is the proud mother of 3 young children–an older daughter and boy/girl twins.

Shari Pepping, RDH, B. S. Shari

Shari is a graduate of the University of Southern California and has been working in the dental field for more than 20 years. Shari loves building relationships with her patients as she helps to improve their oral health and their entire body system as a result. Shari is married and has four wonderful children.  In her free time she loves going camping, hiking, and doing arts & crafts with family and friends. 

DeniseDenise Watson, RDA

Denise attended Everest College for Dental Assisting and graduated in 2007. She has been working in the dental field for more than 8 years. She enjoys getting to know her patients on a personal level and working closely with the Doctors to give every patient a healthy, confident smile. Denise has a daughter named Mallorie and enjoys going to the beach and Disneyland.


VanessaVanessa Garibay, DA

Vanessa received her dental assisting credentials at Bryman College in El Monte in 2000 and graduated in 2001. She has been a Dental Assistant for over 13 years. She enjoys getting to know all of her patients on a deeper level and making them feel as comfortable as possible! She enjoys spending quality family time with her husband and two kids. Vanessa also enjoys taking photos in her spare time and camping! 





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