Dermatology Prof. Dr. Dilek Bıyık Özkaya
✓ Medically verified profileProf. Dr. Dilek Bıyık Özkaya
✓ Medically verified profile
Quick answer
Prof. Dr. Dilek Bıyık Özkaya is a dermatologist at Acibadem Altunizade Hospital. She treats dermatological and cosmetic dermatology concerns, with particular interests in rosacea, hair loss treatments including during pregnancy, excessive sweating and botulinum toxin applications. Her practice also includes PRP, skin rejuvenation, fractional laser and non-surgical facial lifting procedures.
About Prof. Dr. Dilek Bıyık Özkaya
Prof. Dr. Dilek Bıyık Özkaya is a dermatologist at Acibadem Altunizade Hospital, with clinical interests in cosmetic dermatology, rosacea, hair loss treatments, excessive sweating and botulinum toxin applications. Her practice also includes PRP, skin rejuvenation and regeneration, fractional laser, microneedling, exosome applications and non-surgical facial lifting procedures.
She graduated from Istanbul University Istanbul Faculty of Medicine in 2002 and completed her specialization in Dermatology and Venereal Diseases at Bezmi Alem Valide Sultan Vakıf Gureba Training and Research Hospital in 2009. Her career has included specialist roles at Vakıf Gureba Training and Research Hospital, Bağcılar Training and Research Hospital and Bezmialem Vakıf University Faculty of Medicine, before joining Acibadem Healthcare Services in 2018.
International patients can consult Prof. Dr. Özkaya for dermatological and cosmetic dermatology concerns, including treatment planning for rosacea, hair loss and hyperhidrosis. She is a member of dermatology-focused professional associations, including EADV, the Turkish Dermatology Association and the Psoriasis Association.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Subspecialties
- Cosmetic Dermatology
- Cosmetic Dermatology
Education
- 2009Bezmi Alem Valide Sultan Vakıf Gureba Training and Research Hospital Department of Dermatology and Venereal Diseases
- 2002İstanbul University İstanbul Faculty of Medicine
Professional Experience
- 2018Acıbadem Healthcare Services
- 2018Acıbadem Healthcare Services
- 2012–2018Bezmialem Vakıf University Faculty of Medicine / Specialist in Dermatology and Venereal Diseases
- 2010–2012Bağcılar Training and Research Hospital / Specialist in Dermatology and Venereal Diseases
- 2004–2009Vakıf Gureba Training and Research Hospital / Specialist in Dermatology and Venereal Diseases
Professional Memberships
- Dermatology and Venereal Diseases Association
- Pediatric Dermatology Association
- EADV
- Turkish Dermatology Association
- Psoriasis Association
Selected Publications
- Prognostic Evaluation of Neutrophil/Lymphocyte Ratio in Patients with Mycosis Fungoides. Ann Clin Lab Sci Cengiz FP, Emiroglu N, Ozkaya DB, Bahali AG, Su O, Onsun N.
- Etiology of Onychomycosis in Patients, Turkey. J Am Podiatr Med Assoc Cengiz FP, Cevirgen Cemil B, Emiroglu N, Bahali A, Biyik Ozkaya D, Su O, Onsun N.
- Dermoscopic Features of Small, Medium, and Large-Sized Congenital Melanocytic Nevi Ann Dermatol Cengiz FP, Emiroglu N, Ozkaya DB, Su O, Onsun N.
- The relationship between severity of disease and vitamin D levels in children with atopic dermatitis. Postepy Dermatol Allergol Su O, Bahali AG, Dogan Demir A, Biyik Ozkaya D, Uzuner S, Dizman D, Onsun N.
- Evolution of Spitz Nevi. Pediatr Dermatol Emiroglu N, Yildiz P, Biyik Ozkaya D, Bahali AG, Su O, Onsun N.
- Demographic characteristics, aetiology, and assessment of treatment options in leukocytoclastic vasculitis Postepy Dermatol Alergol Cakiter AU, Kucuk OS, Ozkaya DB, Topukcu B, Onsun N.
- Melanocytic nevus count and dermoscopic features do not differ in psoriatic patients undergoing biological agent versus conventional drug therapy G Ital Dermatol Venereol Pirmit S, Onsun N, Su O, Ozkaya DB.
- Red Blood Cell Distribution Width and Neutrophil-to-Lymphocyte Ratio in Patients with Cutaneous Vasculitis Ann Clin Lab Sci Emiroglu N, Cengiz FP, Bahali AG, Ozkaya DB, Su O, Onsun N.
- Dermatoscopic findings of Pigmented Purpuric dermatoses. Anais Brasileiros de Dermatologia (Brazilian Annals of Dermatology) Ozkaya DB, Emiroglu N, Su O, Cengiz FP, Bahali AG, Yildiz P, Demirkesen C, Onsun N.
- The Relationship of Psoriasis and Melanocytic Nevi Indian Journal of Dermatology Cengiz FP, Emiroglu N, Bahali AG, Ozkaya DB, Su O, Onsun N.
Frequently Asked Questions
What is Dr. Dilek Bıyık Özkaya's specialty?
Which hospital does Dr. Dilek Bıyık Özkaya practise at?
What languages can I use when consulting Dr. Dilek Bıyık Özkaya?
How can I book an appointment with Dr. Dilek Bıyık Özkaya?
Is an online video consultation available with Dr. Dilek Bıyık Özkaya?
How many years of experience does Dr. Dilek Bıyık Özkaya have?
Can international patients arrange treatment with Dr. Dilek Bıyık Özkaya?
How do I get a second opinion involving Dr. Dilek Bıyık Özkaya?
A dedicated team, from first message to follow-up
Our international patient office coordinates your appointment, travel and treatment across the Acıbadem network — including 7 JCI-accredited hospitals — and stays with you in your own language, every step of the way.
Schedule your appointment with Prof. Dr. Dilek Bıyık Özkaya
Choose a date and time that suits you. Our international patient team will check availability and confirm your appointment — usually within 24 hours.
- 1Choose your date & timePick a preferred day and time slot for your visit.
- 2Share your detailsTell us how to reach you and anything we should know.
- 3We confirm with youOur team confirms the appointment by phone or email.
Request your appointment
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Your information stays strictly confidential and is used only to arrange your care.
Hospitals
Medical Units
Treatments Performed
What patients say about Prof. Dr. Dilek Bıyık Özkaya
★★★★★From 2,400+ verified patient reviews“I came to Acibadem for urgent care visit and could not be happier with the outcome. Dr. Özkaya treated me as a person, not just a case. I only wish I had come here sooner.”
“Choosing Acibadem for my eczema treatment was the best decision I made. Prof. Dr. Özkaya explained the risks honestly and earned my full trust. Everything was clearly explained in my own language.”

