Department
The ENT department
Ear, nose and throat care under one roof — voice surgery, hearing, balance, sinus and sleep — led by Prof. Dr. İsmail Koçak and the DrVoice team across Istanbul and London.
What we treat
Ten areas of ENT expertise
From voice surgery to hearing, balance, sinus and sleep — explore the full range of ear, nose and throat care at DrVoice.
- Voice Feminisation Raising vocal pitch to align tone with biological sex or personal identity. Learn more →
- Voice Deepening Surgery Voice deepening surgery lowers the speaking pitch to a deeper, richer and more authoritative tone while preserving the natural quality of the voice. At DrVoice Clinic in Istanbul, Prof. Dr. İsmail Koçak performs it with two original techniques, Diamond Laryngoplasty™ and Laser Relaxation Glottoplasty™ (LRxG), for men with a naturally high-pitched voice, for voices that did not deepen after puberty, and as part of gender-affirming care. Learn more →
- Tinnitus Managing ringing or buzzing in the ear with modern devices, masking and therapy. Learn more →
- Vertigo Treating inner-ear balance disorders through diagnostics and vestibular rehabilitation. Learn more →
- Hearing Loss Rehabilitation with medication, microsurgery or digital hearing aids. Learn more →
- Cochlear Implant Implanted electronic system for severe to profound hearing loss. Learn more →
- Snoring & Sleep Apnoea Surgical correction of airway blockages causing snoring and breathing pauses. Learn more →
- Vocal Cord Surgery Microscopic removal of nodules, polyps and cysts that impair voice quality. Learn more →
- Endoscopic Sinus Surgery Treating chronic sinusitis and polyps endoscopically, with no external incisions. Learn more →
- Allergy Treatments Managing respiratory allergies with testing, medication and immunotherapy. Learn more →
Your specialist
Prof. Dr. İsmail Koçak
ENT — Head & Neck Surgery · Voice disorders & vocology
Prof. Dr. İsmail Koçak is an ENT — head & neck surgeon who has cared for ear, nose and throat conditions since 1993, alongside his internationally recognised voice work. He leads the DrVoice team across Istanbul and London.
View full profileReady to talk about your voice?
Book a consultation with Prof. Dr. İsmail Koçak and the DrVoice team. We'll assess your voice and set out the options — with no obligation.