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. Kevin Tran

General Dentist

Dr. Kevin Tran earned integrated physiology and biology and BS degrees from the University of California, Los Angeles and his DDS degree from the New York University College of Dentistry. He strives to provide quality dental care to his patients and help them achieve a healthy and beautiful smile. He enjoys building relationships with his patients and educating them on their dental needs. Dr. Tran is a member of Alpha Omega and is a UCLA adjunct professor.

In his spare time, Dr. Tran enjoys playing golf, going to concerts, watching movies or his favorite sports team, the Lakers, and relaxing at the beach.

Dr. Mizuki Tadokoro

General Dentist

Dr. Mizuki Tadokoro, DDS, attended the University of California, Irvine and the New York University College of Dentistry. She believes that seeing improvement in a patient’s smile and their confidence after treatment is fulfilling and satisfying. It brings her joy to be able to relieve pain and restore patients’ mouths so they can enjoy eating and other things in life. She feels very connected to the community when helping her patients in our office and wants to help those that seek comfort. Dr. Tadokoro is a member of the Academy of General Dentistry.

Outside of the office, she enjoys hiking, camping, throwing ceramics on the wheel, watching movies and listening to music.

Dr. Mohamed Hammam

General Dentist

Dr. Mohamed Hammam attended the Alexandria Dental School at New York University. Practicing dentistry in this community brings him a great deal of satisfaction, and he feels blessed to have the knowledge and the experience to educate his patients and to be an advocate for their oral health.

Outside of the office, Dr. Hammam enjoys yoga, karate and volleyball.

Dr. Angela Lau

General Dentist

Bio coming soon.

Dr. Narbeh Gharakhanian

Oral & Maxillofacial Surgeon

Dr. Narbeh Gharakhanian, DDS, MD, attended the University of Texas Southwestern College of Medicine in Dallas (MD), the University of Southern California School of Dentistry (DDS), the University of California Los Angeles, Microbiology/Molecular Genetics (BS) and completed his residency at the University of Texas Southwestern/Parkland Memorial. He is always interested in learning and is committed to taking the best care of his patients using his training, education, instincts and experience. Dr. Gharakhanian is a member of the American Dental Society of Anesthesiology, the California Dental Society of Anesthesiology, the American Board of Oral and Maxillofacial Surgery, the American Association of Oral and Maxillofacial Surgeons and the California Association of Oral and Maxillofacial Surgeons.

Outside of the office, he enjoys golf, fishing, hiking and sports.

Dr. Michael Issakharian

Oral Surgeon

Bio coming soon.

Dr. Benjamin Levi

General Dentist

Dr. Benjamin Levi is a member of the Orange County Dental Society and the California Dental Association. He enjoys meeting new people and helping them out of their dental pain.

Outside of the office, Dr. Levi enjoys scuba diving.

Dr. Hadi Shbeeb


Dr. Hadi Shbeeb, DDS, earned his Bachelor of Science from the University of California, his DDS from the University of Southern California School of Dentistry, and completed a residency at Loma Linda University School of Dentistry. Afterward he completed a specialized endodontic residency at the University of California San Francisco. Honesty, consistency, safety and reliability are the qualities that make up the character of Dr. Shbeeb’s care.

Outside of the office, he is an enthusiastic surfer and snowboarder. In Dr. Shbeeb’s extra time he also enjoys teaching, traveling, reading and hiking.

Dr. Irene Tam


Dr. Irene Tam, DDS, attended the University of California, Los Angeles School of Dentistry. Her goal is to provide patients with the best care in the most gentle way.

Outside of the office, she enjoys ballet, figure skating and spending time with her family.

Dr. Nareg Alexandrian


Bio coming soon.

Dr. Kereem Husain


Dr. Kereem Husain is a distinctive dental professional who provides compassionate excellence in specialized pediatric dental care. While studying biology at UCLA, Dr. Husain joined community programs that benefited the needy and homeless. While studying abroad in Egypt for a year, he participated in efforts to teach English and help the disadvantaged. Becoming deeply passionate about helping others, Dr. Husain made the decision to become a dentist.

After receiving his degree at UCLA, Dr. Husain earned his Doctorate in Dental Surgery from USC. He went on to attend Yale University, specializing in pediatric dentistry where he worked with children from infancy to teenage years, as well as children with special needs. Dr. Husain received intensive training in prevention, behavior management techniques, and treating child patients under sedation. He graduated in 2015 from Yale with a specialty in the field of pediatric dentistry.

While at USC, Dr. Husain’s diligence and skill put him on the Dean’s List each year. In addition to his studies, he was involved in various humanitarian efforts. As president of USC’s Humanitarian Club, he led dental teams that served in Mexico, Honduras, Haiti, and the Middle East. He decided to specialize in pediatric dentistry because he wanted to help get children’s teeth off to a great start by preventing decay and supporting dental health early in life. Dental appointments can be tough for kids, but Dr. Husain makes it as easy and comfortable as possible and always leaves his patients with a celebratory high five.

Even as a busy professional, Dr. Husain continues to serve the community and he never stops learning. He earned his certificate as a Diplomate of Pediatric Dentistry and is involved with many organizations and their local chapters, including AAPD, ABPD, CDA, and ADA. Dr. Husain is bilingual in English and Arabic and is also learning Spanish.

When he’s not improving dental health for kids, Dr. Husain enjoys travel, family time, and relaxing at the beach. On weekends, you might find him snorkeling, jet skiing, playing basketball, watching the latest Marvel movie, or being the cool uncle to his nephews and nieces.

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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.