About Me

Caitlin R. Bertelsen, M.D. is a board-eligible otolaryngologist with Southern California Ear, Nose and Throat in Long Beach.

She earned her medical degree from the Keck School of Medicine at University of Southern California (USC) during which time she was inducted into the Alpha Omega Alpha (AOA) Honor Medical Society and is a current member. She completed her residency in otolaryngology at the USC Tina & Rick Caruso Department of Otolaryngology, Keck Medicine at LAC + USC Medical Center.  She then moved to Portland, Oregon to complete a one-year fellowship in Laryngology, pursuing advanced training in voice, airway and swallowing disorders as well as in-office laryngeal procedures.

Dr. Bertelsen’s areas of research include voice disorders and airway stenosis. She has been published in peer-reviewed journal and authored chapters on the subject.

In her free time, Dr. Bertelsen enjoys running, swimming and travel.

Areas of Interest
  • Dysphagia
  • Swallowing Disorders
  • Zenker’s Diverticulum
  • Airway Disorders
  • Subglottic & Tracheal Stenosis
  • Chronic Cough
  • Laryngology
  • Tumors of the Voice Box
  • Voice Disorders
  • Voice Nodules
  • Benign Vocal Cord Lesions
  • In-office Laryngeal Procedures
  • In-office Vocal Cord Injections


Provider Specialty



Medical Education

Keck School of Medicine at University of Southern California (USC)

Residency – Otolaryngology

LAC + USC Medical Center, Keck Medicine of USC

Fellowship -Laryngology

Oregon Healthy & Science University


433 E. Wardlow Road

433 E. Wardlow Road

Long Beach, CA

Southern California Ear, Nose, and Throat

10861 Cherry Street

Los Alamitos, CA

Cherese Mari Laulhere Children's Village - Miller Children's & Women's Hospital Long Beach

2701 Atlantic Ave.

Long Beach, CA

Office: (714) 377-6993