Meet Alen N. Cohen, MD, FACS, FARS
  • Board-Certified Nose & Sinus Surgeon


Dr. Cohen is a board-certified ENT/Head & Neck Surgeon who specializes in the medical and surgical treatment of patients with nasal and sinus disorders and is known as a “nose & sinus specialist”.  In practice for 14 years he is the founder of this group as well as founder & director of the prestigious Southern California Sinus Institute (SCSI).  He also served as Chief of Surgery at West Hills Hospital & Medical Center from 2013-2018 and ran the Minimally Invasive Thyroid/Parathyroid Surgery program there during that time. He also enjoys teaching the next generation and is an Assistant Clinical Professor of Surgery at UCLA. Dr. Cohen has also been named a Top Doctor by Los Angeles Magazine for 10 years in a row as well as a nationwide Castle-Connelly Top Doctor since 2017.

Dr. Cohen understands the importance of combining function and cosmesis in the surgical management of patients with various head and neck disorders, including tumors of the head and neck region such as parotid tumors. He also treats a multitude of patients with snoring and sleep apnea and performs various procedures, including in-office procedures, to treat these patients.

Dr. Cohen obtained his B. S. in Neuroscience after graduating summa cum laude, Phi Beta Kappa from UCLA and was awarded acceptance to the prestigious David Geffen School of Medicine at UCLA, a top 10 school. He gained his M. D. degree after four years with honors and a thesis in Head and Neck Surgery and subsequently was recruited to pursue a Head and Neck Surgical Residency at UCLA Medical Center, a top 5 program in the country. While at UCLA Medical Center he completed 2 years of general surgical training and 4 years of specialized head and neck surgical and facial plastics training. During his training at UCLA, he rotated to Harbor General County Hospital, Olive View Medical Center, Wadsworth Veteran’s Hospital and Children’s Hospital of Los Angeles (CHLA). His extensive training at CHLA has made him rather adept in the management of pediatric patients with ear, nose and throat disorders. He completed his residency with a one-year Chief Residency in Head and Neck Surgery at UCLA Medical Center where he emphasized in minimally invasive techniques for the surgical management of thyroid and parathyroid diseases and head and neck tumors.

He is board certified by the American Board of Otolaryngology/Head and Neck Surgery and is a Fellow of the American College of Surgeons as well as the American Rhinologic Society. He also maintains a full membership in the American Board of Facial Plastic and Reconstructive Surgery.

Dr. Cohen has extensively published in the field and is one of a select number of surgeons in the country who is at the forefront of his field. He continues to maintain a clinical professorship at UCLA where he is actively engaged in teaching surgical residents and medical students.