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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. Nasrin Khorram

General Dentist

Dr. Nasrin Khorram, DDS, earned her undergraduate degree at SMC and UCLA and her Doctor of Dental Surgery degree from the University of Southern California School of Dentistry. She believes that in any health care profession, the patients’ well-being comes first. She loves art and science and believes that dentistry is a combination of both. Dr. Khorram likes to interact with people, and dentistry gives her the opportunity to do so.

Outside of the office, she loves reading, cooking, hiking and sewing.

Dr. Kamran Yazdi

General Dentist

Dr. Kamran Yazdi graduated from the University of Southern California School of Dentistry. Smiles West has provided him with great specialists to work with. He is confident that working with them together, he can provide excellent service!

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. Aziz Maghen

Oral & Maxillofacial Surgeon

What office(s) are you practicing at?

Mission Hills and Lawndale offices.

Educational Background? 

Harvard for dental school, graduated in 1999.

UCSF for residency.

Graduated med school in 2002.

Graduated residency in 2005.

Affiliations & Organizations you belong to?

Fellow of AAOMS 

Diplomat of ABOMS

Any other personal details, goals, accomplishments or hobbies you would like to share? 

I have two children, 8 and 9-years-old. My wife is an attorney and Commissioner for the city of Beverly Hills. We have three rambunctious dogs. I love what I do. 

Photo (Kevin Lee)

Dr. Kevin S. Lee


Kevin S. Lee, Orthodontist

What office(s) are you practicing at?

Smiles West offices in Montebello, CA and Bell, CA, and Desert Dental office in Victorville, CA.

Where were you born?

Seoul, South Korea

Where were you raised?

I came to the US when I was 12-years-old and grew up in Houston, Texas.

Educational Background?

I studied Human Biology at Stanford University and graduated “with Distinction” given to the top 15% of the class. After obtaining a Bachelor of Arts (BA) degree at Stanford, I attended the UCLA School of Dentistry for 8 years to receive a Doctorate of Dental Surgery (DDS) degree, a specialty certificate in orthodontics, and a Master of Science (MS) degree in oral biology. I subsequently became a board-certified specialist, a Diplomate of the American Board of Orthodontics.

Continuing Education?

I completed the Aligner Intensive Fellowship – the most advanced clear aligner education available to orthodontists – to provide cutting-edge Invisalign treatments.

When did you join the practice?

I have been working at the Smiles West and Desert Dental offices since April 2017.

Favorite thing about working in the industry/in the office?

I am a fun-loving person who treats all patients like friends and loves getting to know them during several years of orthodontic treatment.

Affiliations & Organizations you belong to?

American Board of Orthodontics (ABO), American Association of Orthodontists (AAO), Pacific Coast Society of Orthodontists (PCSO), International Association for Dental Research (IADR), American Association for Dental Research (AADR), American Dental Association (ADA), and California Dental Association (CDA)

What do you like to do when you are not at work?

Outside of the office, I enjoy playing and watching soccer (I am an avid FC Barcelona fan), soaking up the California sunshine, and taking a scenic drive on picturesque back roads (I am a Porsche fanatic).

Dr. Rojin Erfan


Dr. Rojin Erfan, DDS, was raised outside of Washington, D.C. She graduated from University of Maryland, Baltimore College of Dental Surgery with honors. Dr. Efran’s commitment to excellence in dentistry drove her to successfully complete a General Practice Residency at Bronx-Lebanon Hospital, which is a hospital-based program in an underserved area of the South Bronx of New York. It was during her GPR that she realized her passion for endodontics. She then pursued her dream of becoming an endodontist at New York University School of Dentistry, where she served as the sole chief resident of the largest endodontics program in the world. In addition to being the largest program, the endodontics residency at NYU boasts the most prestigious and well-known faculty. Dr. Efran was trained with cutting-edge technology by world famous endodontists. In addition, she has completed outreach in Kathmandu, Nepal and Mahias, Maine.

Dr. Shir

General Dentist

Bio coming soon.

Dr. Fariba Matinfar


Dr. Fariba Matinfar, DDS, MS, earned her Doctor of Dental Surgery, Master of Science and periodontal specialty degrees from the University of California, Los Angeles. She loves to help patients have a beautiful, healthy smile and maintain their oral health. Dr. Matinfar is a member of the American Academy of Periodontology, the American Dental Association and the California Dental Association.

Outside of the office, she enjoys spending time with her family, hiking and going to the beach. She looks forward to traveling the world in the future and currently fosters puppies with her family!

Dr. Kareem 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.

Dr. Arshan Haghi


Dr. Arshan Haghi, DMD, MScD, CAGS, earned his Bachelor of Science in anatomy and cell biology from McGill University, his Doctor of Dental Medicine degree from Boston University and a Masters of Science in dentistry. Dr. Haghi also earned his Certificate of Advanced Graduate Studies in orthodontics and dentofacial orthopedics. He became an orthodontist due to the unique blend of art and science that he is able to practice on a daily basis. He loves having the ability to change people’s lives by enhancing their smiles and boosting their confidence. His philosophy around patient care revolves around treating all patients in his chair as he would his own family. Dr. Haghi is a member of the American Association of Orthodontists, the Pacific Coast Society of Orthodontists and the California Association of Orthodontists.

Outside of the office, he enjoys traveling and hiking.

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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.