Dr. Barouir Deirmenjian
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. Faezeh Alidousti
Dr. Faezeh Alidousti, affectionately known by her patients and colleagues as Dr. A, has carved a path in the dental profession that transcends borders. Born in Iran, her journey in dentistry commenced in Sweden, where she moved during her early teenage years. After relocating, she was enveloped by Swedish culture and education, eventually earning her Bachelor of Dental Science from Umeå University. Her pursuit of excellence led her to move across the Atlantic in 2013 to the United States, where she attended Loma Linda University, achieving her Doctor of Dental Surgery degree. Dr. A has been affiliated with several prestigious dental associations, including the California Dental Association, the Swedish Dental Association, and the American Dental Association, ensuring she stays at the forefront of dental advancements and practices.
Joining our dental practice in January 2023, Dr. A continues to derive joy and satisfaction from her daily interactions with her patients. She deeply resonates with the impact oral health has on every aspect of an individual’s life, finding her profession rewarding, particularly when she witnesses a patient start to smile again following proper treatment. The heart of her profession lies in the development of mutual respect and understanding with her patients, transforming their concerns into effective, compassionate solutions. While her career has spanned continents, it is the intimate, local impact she has on her patient family that truly defines her professional journey.
Away from the office, Dr. A dedicates her free time to her 8-year-old daughter, Katy, who illuminates her life with love and purpose.
Dr. Jorge Flores
Dr. Jorge Flores, our talented general dentist, was born and raised in Guatemala. He obtained his dental degree from the University of San Carlos in Guatemala. Since beginning his dental journey, Dr. Flores has shown a commitment to expanding his knowledge and skill set. He has attended a series of prestigious continuing education courses, including Bicon implants in Boston, sedation techniques at UCLA, and MIS Implants in Los Angeles. Furthermore, he proudly affiliates himself with the Academy of General Dentistry (AGD).
Having joined our practice in 2017, Dr. Flores frequently expresses his passion for the dental field, particularly enjoying the challenges that each unique case presents. He finds great fulfillment in offering top-notch dental care, ensuring a seamless patient experience, and cherishes the camaraderie he shares with our team.
Away from the office, Dr. Flores is an enthusiast of the great outdoors. Whether it’s swimming, biking, or engaging in other outdoor adventures, he’s always up for an active escape. He’s also an avid baseball watcher. At home, he is a loving father to two daughters: one of whom has graduated from college in Northridge, while the other is pursuing her PhD in biotechnology. Not to forget, he is also the proud pet parent of two dogs, Hugo and Butterball.
Dr. Sarine Wajih Tchiroyan
Dr. Sarine Tchiroyan joined our practice in 2021. Born and raised in Lebanon, she attended St. Joseph University of Beirut, earning her Doctor of Dental Surgery degree. She has continued education through endodontics conferences, implant courses, and esthetic courses. She is part of the American Dental Association.
Dr. Sarine enjoys helping patients feel comfortable during each visit. She loves interacting with patients and getting to know them individually. She also loves finding solutions to the challenges with each patient’s case. She finds joy in helping people and easing any dental pain they may have.
Outside of the office, Dr. Sarine enjoys pilates, yoga, outdoor activities, and traveling. She also enjoys spending time with her two daughters and son.
Dr. Duy Nguyen
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.
Dr. Richard Chu
Dr. Richard Chu is a dedicated general dentist who joined our team at Smiles West in Bell in 2024. He graduated with a Doctor of Dental Surgery degree from New York University, College of Dentistry in 2009. Prior to that, he completed his undergraduate studies in biology at the University of California, Irvine in 2001.
Born in Pittsburgh, Pennsylvania, and raised in Southern California, Richard has a deep appreciation for the field of dentistry, particularly because it allows for continuous learning and daily improvement. This passion helps him excel as a provider and contributes to his professional growth. At Smiles West, Richard is known for his commitment to excellence and his ability to work well within the team. He values the supportive and hard-working nature of his colleagues, which enhances the work environment and patient care.
Outside the office, Richard has a variety of interests that keep him busy and fulfilled. He enjoys off-roading, cooking, and traveling. Richard shares his adventures with Dodge, his Husky-Pomeranian mix. Whether it’s exploring new cuisines or traversing rugged terrains, Richard loves engaging in diverse experiences.