Meet Our Doctors
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. Baktash Amani
Bio Coming Soon!
Dr. Shahram (David) Mashhadian
Dr. David Mashhadian, DDS, MD, FACS, earned his MD degree from the Mount Sinai School of Medicine, his DDS degree from the New York University College of Dentistry and his BA degree from Hofstra University. He is a fellow at the American College of Surgeons, ACS the American Academy of Cosmetic Surgery, AACS, the California Academy of Cosmetic Surgery, CACS, the American Association of Oral & Maxillo-Facial Surgeons, AAOMS and the California Association of Oral & Maxillo-Facial Surgeons, CALAOMS.
Outside of the office Dr. Mashhadian enjoys volunteering with Smile Generation Day and Thousand Smile.
Dr. Michael Vongphoe
Dr. Michael Vongphoe, DDS, attended the University of Southern California. His patients are always treated like family. This includes a transparent and thorough assessment of their dental issues, a clear discussion of options and most importantly, a quick and pain-free experience. Dr. Vongphoe is a member of the ADA, CDA and the AAE (American Association of Endodontists).
Outside of the office, he enjoys traveling and spending time with his family.
Dr. Hardev Mohinder Singh
Dr. Hardev Singh earned his dental degree from the University of Pittsburgh, School of Dental Medicine. As a dental student, he was also awarded the Health Professional Scholarship Program (HPSP) from the United States Army. As a commissioned dental officer, he was awarded the Army Service Ribbon, Global War on Terrorism Service Medal, and the Army Commendation Medal. After serving the Army, Dr. Singh was an Associate Professor at Western University providing clinical dental care with a focus on complex exodontia and pre-prosthetic surgery.
While working in academia he was the owner of a dental practice, however his passion to continue to advance himself led him to become a periodontic resident at the prestigious Loma Linda University with a focus on advanced periodontal surgery and implant therapy. At Loma Linda, he graduated as chief resident and received training from worldwide clinicians. He still holds his academic appointment at Western University as an adjunct faculty. One of the components of his residency training was not only the surgical aspect, but also the importance of non-surgical therapy that is extremely critical in periodontitis patients.
At this time, he is a board-certified periodontist who works with various offices in providing periodontal therapy and implant treatment, but also believes in educating and training all patients on the prevention of periodontitis. Dr Singh is currently an adjunct faculty at Western University and has numerous publications while collaborating with other clinicians. He currently resides in the Inland Empire Area with his wife and two beautiful children.
Dr. Cory Nassoff
Bio Coming Soon!
Dr. Afshin Shamaizadeh
Bio Coming Soon!