The Cosmopolitan Dentist would like to welcome you to our practice.


The Cosmopolitan Dentist is an El Segundo based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using state-of-the-art dental equipment. We are a cosmetic dentist that offers services like checkups, teeth cleaning, crowns, veneers and more. We also perform emergency dentist services that include bonding, root canals, crowns, and bridges. As a local dentist, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Dr. James Chen and our staff invite you to schedule an appointment by calling 310-648-8066 and experience why our patients think The Cosmopolitan Dentist is the best dentist in El Segundo.



Meet The Doctors


James Chen, DDS, MMSc

James Chen, DDS, MMSc

Doctor of Dental Surgery

Dr. James Chen is a prosthodontist, a dental specialist in smile solutions, implant dentistry, and oral reconstructions. He completed his prosthodontics residency at Harvard University where he received his Master of Medical Sciences degree (MMSc) and certificate in prosthodontics. Prior to that, he finished his dental training and attained the Doctor of Dental Surgery (DDS) degree from Columbia University. Dr. Chen is one of the few dental specialists in the country to further his training by completing a two-year fellowship in advanced dental implant surgeries at Loma Linda University, where he received his certificate in dental implantology. This provides him the rare expertise to combine both the prosthetic and surgical backgrounds of dentistry to deliver the most comprehensive care to his patients.

Dr. Chen also completed a sleep medicine mini residency at UCLA, focusing on the treatment of snoring, sleep apnea, and sleep breathing disorders with oral appliances.

The practice philosophy of Dr. Chen has always been to provide the most advanced yet comfortable dentistry to each of his patients. Extra measures are taken to ensure our patients' comfort and well-being. We welcome all to come and experience the difference!

A native of Arcadia, California, Dr. Chen is proud to serve the community that he grew up with. One of his favorite pastime is fishing the turquoise-blue lakes of the Eastern Sierras while savoring the passing of a perfect summer afternoon.

Dr. Alex A. Khorsand, DMD

Dr. Alex A. Khorsand, DMD

Doctor of Medicine in Dentistry

Dr. Arash Khorsand grew up in Los Angeles, California where he lived with his parents and one sibling. Doctor Khorsand received his post high school education at UCLA with a Major in Neuroscience and a Minor in Economics. Dr. Khorsand continued his academic pursuits and earned his Doctor of Medicine in Dentistry, graduating with High Honors from Boston University in 2004.

Upon receiving his Doctorate, Dr. Khorsand attended the prestigious Maxillofacial Surgery Fellowship at Boston University Medical Center. The Advanced Education in Oral surgery trained Dr. Khorsand to be exceptionally proficient and skilled in all aspects of surgical extraction, Bone Grafting and Oral Implantology. Dr. Khorsand then worked as an associate dentist in two practices in the Boston area, treating patients with gentle care and respect, prior to being recruited by a former Boston Unversity alumni to the Imperial Valley where he established Khorsand Dental Group. He has been serving the community since 2005.

His proficiency in all aspects Oral and Dental Surgery combined with his personal dedication and care has been recognized by the community and his fellow colleagues. Dr. Khorsand's has been selected as America's Top Dentist in 2009, 2010, 2011 and was recognized and published by Leading Physicians of the World in 2011. His highly-trained skills in Cosmetic Dentistry have improved the smiles and lives of many people throughout his years of practice. In his professional capacity, he treats children, adults, and seniors with any dental and oral health needs. Throughout the years, Dr. Khorsand has consistently proven to his patients that he is an understanding, caring, and patient dentist offering them virtually-pain-free care. He listens carefully to each patient's personal needs and focuses on oral care and treatments that go well beyond just the teeth.

Doctor Khorsand is a skilled and accomplished Private Pilot, licensed by the Federal Aviation Administration, his greatest hobby is guiding aircraft through perilous skies.