Floyd Buen, M.D.

Test 2

ENT Specialist in Costa Mesa, Irvine, and Laguna Hills, CA

Dr. Floyd Buen grew up near Six Flags Magic Mountain where he was his high school's valedictorian. He received his undergraduate degree from Dartmouth College with high honors. A Southern California native, he returned and continued to pursue basic science research studying traumatic brain injury at UCLA. He then received his medical degree from the University of California, San Diego School of Medicine. While there, he was awarded a Howard Hughes Medical Research Fellowship for work on novel stem cell applications. This was followed by a residency in Otolaryngology-Head and Neck Surgery at UCLA Medical Center, where he was awarded the prestigious Teaching Award as chief resident. His most recent research endeavors span a versatile range, including survivorship among head and neck cancer patients, quality improvement of squamous cell carcinoma treatments, and therapeutic communication techniques.

Dr. Buen is a board certified in Otolaryngology-Head and Neck Surgeon, and his professional interests include general adult and pediatric otolaryngology, hearing loss, head and neck oncology, sinus disorders and allergy, thyroid/parathyroid surgery and salivary gland surgery.

Dr. Buen enjoys spending time with his family, cooking, running, biking, swimming, traveling, and playing piano. His go-to tracks in the operating room range from Chopin to 90’s R&B.

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Five Locations

San Clemente - Mission Viejo - Laguna Hills - Irvine - Costa Mesa

Hours of Operation

All Locations


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm