BARRERA ADVANCED DENTISTRY - Key Persons


Andres Torres

Dr. Torres holds a Master's degree in Science Dentistry (MSD) and is certified as a prosthodontist. He has over 20 years experience in the field, performing advanced restorative and implant dentistry procedures. He trained at Indiana University and Loma Linda University, receiving his credentials in prosthodontics. His academic accomplishments resulted in a position as an assistant professor of restorative dentistry at Loma Linda University. Dr. Torres uses his education, experience, and expertise to assist Dr. Barrera with various oral surgeries at her private practice, Barrera Advanced Dentistry. In his free time, Dr. Torres enjoys spending time with his son Diego, playing golf, bicycling, and traveling.

Dr. Adriana Barrera

Dr. Barrera and the dental team at Barrera Advanced Dentistry invite you to schedule an appointment with us for your dental examination or consultation. Contact us today for more information and exceptional dental services. With Dr. Barrera's extensive training and clinical experience, we're proud to offer the most advanced dental treatments and procedures spanning preventive, restorative, and cosmetic dentistry. No matter the state of your smile, we're happy to help you meet your dental goals through our many services such as routine cleanings, gum disease treatments, dental implants, oral surgeries, and more. Join the Barrera Advanced Dentistry family today! Dr. Adriana Barrera has more than 20 years of experience providing comprehensive dental care to countless patients and families. Now in private practice, Dr. Barrera is proud to be the dentist of choice for many patients in the South Bay, California area. A native of Colombia, Dr. Barrera's educational path began at Pontifical Xavierian University in Bogota, Colombia. She earned her Doctor of Dental Science in 1994, then went on to complete a residency in Prosthodontics. After her training, Dr. Barrera went to work as a dentist for the National Police Health Department and returned to her alma mater as an associate professor in the dental program. Dentistry is a family affair for Dr. Barrera, who follows in the footsteps of her grandfather and aunt. In fact, she went into practice with her family and served her community for 10 years before emigrating to the United States. Dr. Barrera earned her California dental license in 2002 and has provided top quality dental care in the Los Angeles and South Bay area ever since. She has continually strived to further her skills in surgical and restorative implant dentistry by attending the Loma Linda University & AAID (American Association of Implant Dentistry) Implant Maxicourse, the Nobel Biocare Implant Mini Residency program and the UCLA School of Dentistry Periodontal Surgery Hands-on Workshop. And to further hone her skills in Restorative and Cosmetic Dentistry, Dr. Barrera has also completed extensive training courses at UCLA to master anterior and posterior Composite Restorations as well as all porcelain Veneers, Onlays and Crowns. Even though Dr. Barrera earned a Prosthodontics degree in her native country of Colombia in 2000, she enjoys and works on all areas of Dentistry, from preventive care, dental emergencies, restorative and cosmetic dentistry, dental and implant surgery, all the way to full mouth reconstruction and extensive oral rehabilitation treatments. She is an active member of the American Dental Association, California Dental Association, American Academy of Implant Dentistry and the Western Los Angeles Dental Society. When not at work, Dr. Barrera enjoys spending time with friends, family, and especially her husband and 13-year-old son. She also enjoys traveling and swimming, and she loves living in the South Bay area and being part of this sunny community.

Genesis Sierra

Job Titles:
  • Registered Dental Assistant
Genesis has been a part of Dr. Barrera's team since 2014. As a Registered Dental Assistant (RDA), she enjoys assisting Dr. Barrera with various dental treatments but more importantly, she finds it most rewarding whenever patients tell her how caring she is and always takes the time to educate our patients on their treatments. Genesis takes pride in the relationships that she has developed over the years with our patients. Genesis has grown up in the South Bay and is married with 3 amazing children. She is currently attending Cerritos College as she is working towards becoming a Dental Hygienist. In her free time, she enjoys traveling with her family and going to her children's baseball and soccer games as she has become their biggest fan.

Nana Bunyatova

Job Titles:
  • Registered Dental Hygienist
Nana has been working in the dental field since 1991. She started her career in San Francisco as a Registered Dental Assistant and then further continued her education at UCSF Dental School. She completed in 2002 and graduated with a Bachelor of Science degree in dental hygiene. She strives to provide the best dental care available to all her patients. She is fluent in Russian. In her free time, she enjoys spending time with family and friends exploring botanical gardens, reading, knitting and catching up on her favorite TV shows.

Palos Verdes

Job Titles:
  • Dentist
Residents of the Palos Verdes area are encouraged to learn more about Barrera Advanced Dentistry. We offer a full range of dental services including: General dentistry Advanced cosmetic dentistry Permanent dental implants Oral conscious sedation services Emergency dentistry and urgent dental care during office hours

Pamela Nevitt

Job Titles:
  • Registered Dental Hygienist
Pamela has been part of Dr. Barrera's team since 2015 as a Registered Dental Hygienist (RDH). In 2008, she received her Dental Hygiene A.A. Degree at Cerritos College followed up by her bachelor's degree of Science in Dental Hygiene from Northern Arizona University. Her goal is to help her patients understand the importance of oral health with preventative, educational and therapeutic dental care. She strives to help new patients feel comfortable and at ease with a gentle touch. In her free time, Pamela enjoys spending time with family, going to sporting events, kayaking, hanging out at the marina on her stand up paddleboard and doing other outdoor activities.

Patricia Ramirez

Job Titles:
  • Office Manager
Patricia has been our Office Manager since 2018. One of Patricia's greatest strengths is how she can consistently make both new and existing patients feel at home from the moment they step into Dr. Barrera's practice. More importantly, she is experienced in educating our patients with their dental treatments as well as providing assistance with their insurance benefits and financing. Away from the office, Patricia enjoys spending time with her family and her lovable English Bulldog, Mac. She has a passion for food that extends to cooking, baking, planting vegetables, and watching Food Network. She can often be found in the kitchen trying out new recipes or trying new local hot spots in the South Bay.

Stephanie Rodriguez

Job Titles:
  • Treatment Coordinator
Stephanie recently joined Dr. Barrera's team in 2021. As a Treatment Coordinator, she assists patients to better understand their insurance benefits, treatments and financial options in order to help them plan a way to a healthier oral hygiene. She has been in the dental field for over eight years previously as a Dental Assistant. She realized that she wanted to help patients in a different role and transitioned to a Treatment Coordinator. Stephanie enjoys spending time with her family, planning road trips around California, binge-watching shows on Netflix, and reading books.

Susana Iglesias

Job Titles:
  • Dental Hygienist
Susie has been part of Dr. Barrera's team since 2017 as a Registered Dental Assistant (RDA). She was a part time RDA working with the office during her time off from school as she continued to extend her education in the dental field. She graduated from Cypress College Dental Hygiene in 2022. Susie decided to become a dental hygienist because she appreciates building relationships with patient, enjoys educating patient, and it brings her great joy to see patient's dental journeys as their smiles improve through their dental procedures. On her days off, she spends time with her family and enjoys gardening.