Dr. Gillian Diercks is a fellowship-trained pediatric otolaryngologist who sees patients at Mass. Eye and Ear's main campus, Newton, and Wellesley practices. Board certified in otolaryngology–head and neck surgery, she is working to expand the pediatric otolaryngology services in the Newton area. In addition to general pediatric ear, nose, and throat care, her offerings include pediatric thyroid and endocrine disorders, treatment of sinus conditions, throat and voice care, and hearing loss services.

She earned her medical degree from Columbia University’s College of Physicians and Surgeons and completed her residency in otolaryngology–head and neck surgery at Mass. Eye and Ear/Harvard Medical School. She then pursued her fellowship training in pediatric otolaryngology and airway reconstruction at Mass. Eye and Ear. She also has her Master's in Public Health from the T.H. Chan School of Public Health at Harvard Medical School.