Assoc. Prof. Ali Haluk Düzkalır, MDNeurosurgery
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For appointments and general enquiries, please use the form below or the direct contact details.

Koç University Hospital Gamma Knife Center

Direct contact

Koç University Hospital

Gamma Knife Center / Department of Neurosurgery

Address
Maltepe Mahallesi, Davutpaşa Caddesi No:4
Topkapı, 34010 Istanbul
Telephone · hospital call center
0850 250 8 250
0212 467 87 00

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Appointment or general information request

This form is not a real-time appointment system. Messages are usually answered within 1–2 business days.

Personal Data Protection information notice

Data controller: Assoc. Prof. Ali Haluk Düzkalır, MD, Koç University Hospital, Department of Neurosurgery / Gamma Knife Center.

Your full name, telephone number, email address and message content are processed to assess your request, contact you and respond to your appointment or information enquiry.

If your message contains health information, this special-category personal data is processed only with your explicit consent. Because Formspree is used for form submission and Google/Gmail is used for email delivery, your data is transferred to servers abroad with your explicit consent.

Explicit consent for international transfer: I explicitly consent to my personal data being transferred to the servers abroad used by the form infrastructure.

You may contact aduzkalir@kuh.ku.edu.tr regarding your rights under Article 11 of the Turkish Personal Data Protection Law.

Fields marked with (*) are required. If you do not consent to the processing of health data, please do not include details about your health in the message field.

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Data security and alternative contact methods

This page is intended only for general communication and appointment requests; it does not provide medical advice or diagnosis.

If you do not want your data transferred abroad, you can use direct email or the hospital telephone numbers instead of the form.