Pediatrics Dr. Gülcan Seymen
✓ Medically verified profile Pediatrics
Dr. Gülcan Seymen
✓ Medically verified profile 29+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Kartal Hospital · İstanbul
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About Dr. Gülcan Seymen
Quick answer
Dr. Gülcan Seymen is a Pediatrics specialist at Acibadem Altunizade Hospital in İstanbul with 29+ years of experience.
She treats pediatric growth disorders, type 1 and type 2 diabetes in children and adolescents, insulin pump insertion and management, childhood and early-onset obesity, Hashimoto thyroiditis, precocious puberty, and related endocrine and metabolic conditions. She speaks Turkish and English and offers online video consultation.
M.D. Gülcan Seymen is a pediatric endocrinologist trained at Kocaeli University Faculty of Medicine, completing specialty training in Pediatric Endocrinology in 2016. With clinical experience that includes work at Acibadem Health Group since 2024, M.D. Seymen specializes in diagnosing and managing hormonal and growth disorders in children and adolescents. Known for a patient-centered approach, clear communication with families, and evidence-based care, M.D.
Seymen is committed to supporting children’s long-term health and development. Fluent in Turkish, M.D. Seymen combines specialist expertise with a compassionate bedside manner to deliver comprehensive endocrine care for young patients.
Clinical Focus
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Pediatric growth disordersType 1 diabetes mellitus in children and adolescentsType 2 diabetes mellitus in children and adolescentsInsulin pump insertion and managementChildhood obesityMC4R-related early-onset obesityHashimoto thyroiditis in childrenPrecocious pubertyPremature thelarchealpha-hydroxylase/17,20-lyase deficiencyVitamin D deficiencyLate neonatal hypocalcemiaGeneralized arterial calcification of infancy
Background
Education
- 2016Kocaeli University Faculty of Medicine Pediatric Endocrinology
- 2015Winter School – Ohrid Macedonia, European Society of Pediatric Endocrinology
- 2015Kocaeli University Diabetes Summer Camp Directorate
- 2014Kocaeli University Diabetes Summer Camp Directorate
- 2014Observership – Insulin Pump Insertion and Management With Prof. Tadej Battelino University of Ljubljana, University Children’s Hospital, Ljubljana, Slovenia
- 2010Istanbul University Cerrahpaşa Faculty of Medicine Pediatrics
- 2003Istanbul University Cerrahpasa Faculty of Medicine
Career
Professional Experience
- 2024Acibadem Health Group
- 2017–2024Ümraniye Training and Research Hospital- Pediatric Endocrinology Specialist
- 2009–2013Pediatrics Specialty Compulsory Service -Ardahan State Hospital
- 2003–2009Pediatric Residency Training -Istanbul University, Cerrahpaşa Faculty of Medicine, Pediatrics
- 1997–2003Istanbul University Cerrahpasa Faculty of Medicine (English program)
Research
Selected Publications
- Vestibular Dysfunction in Euthyroid Children with Hashimoto Thyroiditis J Int Adv Otol. 2024;20(5):426-430. Sevmen G, Gunay G, Cirik AA, Sürmeli R, Sürmeli M
- 17a Elydroxylase/17,20 lyase de- ficiency: clinical features and genetic insights from a large Turkey cohort Endocrine. 2024 Sep;85(3):1407-1416. doi: 10.1007/sl2020-024-03962-6. Epub 2024 Jul 17. PMID: 39020240; PMCID: PMC11316693. Siklar Z, Camtosun E, Bolu S, Yildiz M, Akinci A, Bas F, Dündar İ, Bestas A, Ünal E, Kocaay P, Guran T, Buyukyilmaz G, Uğurlu AK, Tosun BG, Turan I, K
- Electrocardiographic Findings in Children Treated with Leuprolide Acetate for Precocious Puberty: Does it Cause Prolonged QT? J Clin Res Pediatr Endocrinol. 2024 Jun 3. doi: 10.4274/jcrpe.galenos.2024.2024-2-8. Epub ahead of print. PMID: 38828891. Altun EE, Yasar A, Dursun F, Sevmen G, Redbekmez H.
- The relationship of hematological parameters and micronutrient levels with glyce- mic control in children and adolescents with type 1 diabetes. Kırmızıbekmez H, Aşınmaz 8, Özdemir M, Çoban E, Tuzlacı AK, Afşin M, Rabee SS, Sevmen G, Dursun F.
- The role of circulating iniRNAs in leptin resistance in obese children Journal of Pediatric Endocrinology and Metabolism, vol. 35, no. 6, 2022, pp. 761-766. Altınkılıç Emre Murat, Bayrakdar Selaıni, Sevmen Karabulut Gülcan. Haliloglu Belma and At- tarRukset.
- Familial early-onset obesity in Turkish children: vari- ants and polymorphisms in the melanocortin-4 receptor (MC4R) gene Journal of Pediatric Endocrinology and Metabolism, vol. 35, no. 5, 2022, pp. 657-662. Kırmızıbekmez Heves, Kendir Demirkol Yasemin, Akgiin Doğan Özlem, Sevmen Gülcan, İnan Balcı Elif, Atla Pınar and Dursun Fatma.
- amine D Deficiency Preva- lence in Late Neonatal Hypocalcemia: A Multicenter Study J Clin Res Pediatr Endocrinol. 2021 Nov 25;13(4):384-390. Seymen-Karabulut G. Günlemez A, Gökalp AS, Hatun Ş, Kaya Narter F, Mutlu M, Kader Ş, Te- rek D, Hanta D, Okulu E, Karadeniz L, Kanmaz Kutman HG, Zenci
- Introduction with Premature Thelarche Younger than 3 Years of Age May Have Stimulated Luteinizing Hormone Greater than 10 IU/L J Clin Res Pediatr Endocrinol. 2020 Nov 25;12(4):377-382. doi: 10.4274/jcrpe.galenos.2020.2019.0202. Epub 2020 Apr 29. PMID: 32349465; PMCID: PMC77116 Sevmen Karabulut G, Atar M, Cizmecioglu Jones FM, Hatun Ş
- turkish type 2 diabetes researclı group. Characteristics of Turkish children with Type 2 diabetes at onset: a multicentre, cross- sectional study Diabet Med. 2019 Oct;36(10):1243-1250. Hatun S, Yesiltepe Mutlu G, Cinaz P, Turan S, Ekberzade A, Bereket A, Erbas MY, Akcay T, Onal H, Bolu S, Arslanoglu I, Doger E, Yilmaz AA, Ucakturk A,
- Magnesium and anti-phosphate treatment with bisphosphonates for Generalized Arterial Calcification of Infancy: a case report J Clin Res Pediatr Endocrinol. 2018 Dec 11. doi: 10.4274/jcrpe.0204. [Epub ahead of print] Dursun F, Atasoy Öztürk T, Güven S, Kırmızıbekmez H, Sevmen Karabulut G, Kalın S, Sözeri B,
Good to Know
Frequently Asked Questions
What is Dr. Gülcan Seymen's specialty?
Dr. Gülcan Seymen is a specialist in Pediatrics at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. Gülcan Seymen practise at?
Dr. Gülcan Seymen sees patients at Acibadem Kartal Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. Gülcan Seymen?
Consultations with Dr. Gülcan Seymen are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. Gülcan Seymen?
You can request an appointment with Dr. Gülcan Seymen using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. Gülcan Seymen?
Yes. Dr. Gülcan Seymen offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. Gülcan Seymen have?
Dr. Gülcan Seymen has around 29 years of professional experience in Pediatrics. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. Gülcan Seymen?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. Gülcan Seymen?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
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35+Years of expertise
90+Countries served
20+Languages spoken
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