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Meet Our Doctors

Dr. Barouir Deirmenjian

General Dentist & Owner of B. Deirmenjian and Affiliates

As a general dentist, Dr. Deirmenjian is devoted to providing quality, rewarding, and compassionate care to every patient that visits him. Serving as the founder and CEO of B. Deirmenjian and Affiliates, he serves patients at many multi-specialty facilities in California, including Los Angeles, San Gabriel Valley, Riverside and San Bernardino counties and has just added three new locations in the San Diego area.

With nineteen locations in California, B. Deirmenjian and Affiliates serve patients of all ages, from all backgrounds, and from every walk of life. The team of specialists, general dentists, assistants, and benefit coordinators offer a number of services, including: cosmetic dentistry, dental implants, endodontics, family dentistry, oral surgery, orthodontics, pediatric dentistry, and periodontics. They are dedicated to making dental care rewarding, so that individuals have a reason to share their smile.

Before entering private practice, Dr. Deirmenjian served as Dental Director at Guards Dental, where he demonstrated strong leadership skills in operating over 40 locations. Subsequently, he established his own family dental private practices, Smiles West, Desert Dental Group, and Ponderosa Dental Group.

To prepare for his career, he completed his undergraduate studies at the University of California at Irvine, where he earned his Bachelor of Science degree in 1988. Furthering his studies, he went on to obtain his Doctor of Dental Surgery degree from the University of the Pacific Arthur A. Dugoni School of Dentistry in 1999.

Remaining abreast of the latest dental developments, Dr. Deirmenjian is an active member of the American Dental Association and the California Dental Association. He is also a peer-review member at MetLife Insurance and Liberty Dental, sits on the advisory committee of Henry Schein Dental, is a UCLA adjunct professor, and is board-certified by the Dental Board of California.

Revered for his extensive 30+ year leadership background, Dr. Deirmenjian has been voted #100 on the Inc.5000 Series list of the Fastest-Growing Companies in California and #1528 of the Inc. 5000 Fastest-Growing Companies nationally. He was also named one of LA Business of the Year, Best Office by Insurance Companies, and one of the Emerging Dental Groups to Watch 2020 by Group Dentistry Now.

Dentistry, also known as Dental and Oral Medicine, is a branch of medicine that consists of the study, diagnosis, prevention, and treatment of diseases, disorders, and conditions of the oral cavity. Dentists diagnose and treat dental issues and help patients develop better oral hygiene regimens. They clean teeth, correct bite issues, perform surgeries and extractions, and perform other duties to ensure that the teeth and mouth are healthy.

An active member of his community, Dr. Deirmenjian truly enjoys helping the less fortunate and volunteering when he can with food drives and community outreach initiatives. Previously, he has participated in pro bono work for human trafficking victims in the Los Angeles area. He was also involved in a health fair head-start program, senior citizens program, and maintained an affiliation with Veteran Affairs.

In his spare time, he enjoys the outdoors. He is fluent in English, Armenian, Spanish, and French.

Dr. Cecilia Dias

General Dentist

Bio Coming soon.

Dr. Christian Blanco

General Dentist

Born in Torrance, CA, and raised in the neighboring town of Lomita, Dr. Christian Blanco has always held a deep-rooted connection to the community he serves. His journey in the medical field began with a solid foundation in biological sciences, acquiring his undergraduate degree from Long Beach State. His passion for dentistry and desire to contribute to the health sector led him to the prestigious UNLV School of Dental Medicine, where he earned his Doctor of Dental Medicine (DMD). In April 2023, Dr. Blanco brought his expertise and enthusiasm to our practice, swiftly becoming a valued member of the team.

Dr. Blanco’s love for the dental profession is evident in the joy he expresses for his work and the daily interactions with his patients. He relishes the opportunity to get to know each individual personally, believing that understanding his patients beyond their dental needs is key to providing exceptional care. The teamwork among his colleagues and the relationships with his patients are what makes coming to work every day a rewarding experience for him. 

Outside the clinic, Dr. Blanco stays active and engages in his passion for soccer. He can often be found on the field during weekends. He also enjoys playing the drums, a hobby that reflects his lively spirit and rhythmic precision. Dr. Blanco’s blend of professional dedication, personal engagement with patients, and his active lifestyle encapsulate the essence of a modern healthcare provider who is as dynamic in life as he is in practice.

Dr. Aziz Maghen

Oral & Maxillofacial Surgeon

Dr. Azizollah Maghen attended the Harvard School of Dental Medicine and the University of California, San Francisco’s Medical School where he completed his maxillofacial surgery residency (Golden Key and Order of Omega). As his patient, you can expect comprehensive care, and to be treated with compassion and without abandonment. Each patient even receives his mobile number after each visit. Dr. Maghen is a member of the American Association of Oral and Maxillofacial Surgeons, the California Association of Oral and Maxillofacial Surgeons, the American Board of Oral and Maxillofacial Surgery and the CDSA.

Outside of the office, he loves volunteering to lecture at the UCLA School of Dentistry. His favorite TV show is Suits, and his favorite vacation spot is anywhere that is 80 degrees. He is happily married with two children and a dog.

Dr. Rachel S Lee


Bio Coming soon.

Dr. Jin Yi

Dr. Jin Yi

Associate Dentist

We welcomed Dr. Jin Yi as an associate dentist to our practice in 2023. Dr. Jin was born in Dallas, TX and raised in Charlotte, NC. She graduated from both Western University of Health Sciences College of Dental Medicine and Wake Forest University. She has also taken continued education courses for both Invisalign and CEREC. Dr. Jin is a member of the California Dental Association and the American Dental Association.

Dr. Jin enjoys the dental profession because she gets the opportunity to enhance patients’ quality of life by helping them achieve healthy smiles. She always strives to educate her patients while providing a positive and enjoyable dental experience. Her favorite part about interacting with patients is getting to know them individually, as well as their background.

Outside of the office, Dr. Jin enjoys spending time with her wonderful husband, trying out new restaurants, practicing yoga and pilates, watching movies, and traveling.

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Dr. Duy Nguyen

Exodontist Specializing in Complex Extractions

Born and raised in Vietnam, Dr. Duy Nguyen came to the US when he was 18 years old. He earned his BSEE from the University of Washington in 1991, followed by a DDS from UCLA in 1999. Furthering his knowledge and professional skills, Dr. Duy has also undergone extensive training in oral surgery and dental implants. 

Dr. Duy’s passion for dentistry includes making dental visits as comfortable as possible for each patient as he realizes that most patients may not necessarily enjoy going to the dentist. He thoroughly enjoys interacting with dental patients, truly listening to them, addressing dental problems, and creating trust. 

Dr. Duy is the proud father of two. One has graduated from UC Berkeley with a business major and the second is in high school and is a strong swimmer. He also has a dog named Bingo. Outside of the office, he enjoys spending time with family and socializing with friends.

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    Our Stance on COVID-19

    We understand that this is an unprecedented time for many patients with the coronavirus still being an active concern. However, more than ever before, your oral health plays a crucial role in your overall health. The mouth is the gateway to the body, but when common oral infection and disease take hold, it impacts your immune system! This can make you more susceptible to becoming sick in the future. Your best defense is good oral health, and maintaining your regular dental appointments makes that possible. We are following all CDC guidelines to provide our patients and team with a healthy and safe environment to provide life changing dental care.