Dr. Geoffrey Barrett Trenkle, MD

Dr. Geoffrey Trenkle treats rhinitis, allergies, and allergic reactions, and performs allergen immunotherapy and hearing tests. He practices otolaryngology–head and neck surgery, plastic surgery, and allergy and immunology, and has 17 years of experience.

He earned his medical degree from Western University Health Sciences College of Osteopathic Medicine of the Pacific Northwest and is affiliated with Adventist Health White Memorial, Glendale Adventist Medical Center, Saint Mary Medical Center, CHA Hollywood Presbyterian Medical Center, Huntington Memorial Hospital, Providence Little Company of Mary Medical Center Torrance, Southern California Hospital, Saint Francis Medical Center, and Martin Luther King Jr. Community Hospital. He sees patients across Los Angeles, Pasadena, Long Beach, Torrance, Glendale, and Hawthorne, California. Dr. Trenkle speaks English and Spanish.