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Assoc. Prof. Dr. Oğuz Kaan Ünal Endocrinology

Assoc. Prof. Dr. Oğuz Kaan Ünal

✓ Medically verified profile
Endocrinology

Assoc. Prof. Dr. Oğuz Kaan Ünal

✓ Medically verified profile
25+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Bursa Hospital · Bursa
★★★★★ From 2,400+ verified Acibadem patient reviews
Assoc. Prof. Dr. Oğuz Kaan Ünal
Profile

About Assoc. Prof. Dr. Oğuz Kaan Ünal

Quick answer

Assoc. Prof. Dr. Oğuz Kaan Ünal is an endocrinologist at Acibadem Bursa Hospital in Bursa with 25+ years of experience.

He treats type 2 diabetes mellitus, hypoglycemia, insulinoma, prolactinoma, hyperthyroidism, subclinical hypothyroidism, parathyroid adenoma, low bone mineral density, obesity, propylthiouracil-induced lupus-like syndrome, and provides preoperative preparation for thyroidectomy and levothyroxine treatment. He consults in Turkish and English and offers online video consultation.

Assoc. Prof. Oğuz Kaan Ünal is an experienced endocrinologist specializing in metabolic diseases. He completed his training in Endocrinology and Metabolic Diseases at Uludağ University Faculty of Medicine in 2011. Since 2018, he has been practicing at Acıbadem Health Group, where he provides patient-centered care for a range of endocrine and metabolic conditions.

He is an active member of the Turkish Society of Endocrinology and Metabolism, contributing to professional development and staying current with advances in the field. Colleagues describe him as dedicated, thorough, and committed to improving patient outcomes through evidence-based practice.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Type 2 diabetes mellitusHypoglycemiaInsulinomaProlactinomaHyperthyroidismSubclinical hypothyroidismParathyroid adenomaLow bone mineral densityObesityPropylthiouracil-induced lupus-like syndromePreoperative preparation for thyroidectomyLevothyroxine treatment
Background

Education

  • 2011Uludag University Faculty of Medicine Endocrinology and Metabolic Diseases
  • 2006Uludag University Faculty of Medicine Internal Medicine
  • 2000Hacettepe University Faculty of Medicine
Career

Professional Experience

  • 2018Acibadem Health Group
  • 2011–2013Aksaray State Hospital / Compulsory Service
  • 2008–2011Uludag University Faculty of Medicine Department of Internal Medicine Division of Endocrinology and Metabolic Diseases / Research Assistant
  • 2001–2006Department of Internal Medicine, Uludag University Faculty of Medicine / Research Assistant
Affiliations

Professional Memberships

  • Turkish Society of Endocrinology and Metabolism
Research

Selected Publications

  • A rare cause of hypoglycemia in a type 2 diabetic patient: insulinoma. J Diabetes Complications.2012; 26(1): 65-7 Cander S, Oz Gul O, Yildirim N, Unal OK, Saraydaroglu O, Imamoglu S.
  • Effect of cycline D1 (CCND1) gene polymorphism on tumor formation and behavior in patients with prolactinoma. Gene. 2012; 509(1): 158-63. Cander S, Erturk E, Karakucak M, Oz Gul O, Gorukmez O, Yakut T, Unal OK, Ersoy C, Tuncel E, Imamoglu S.
  • A rare complication due to propylthiouracil use: lupus-like syndrome. Gazzetta Medica Italiana Archivio per le Scienze Mediche 2012; 171(2): 237-9 Oz Gul O, Unal OK, Cander S, Tuncel E, Imamoglu S.
  • Rapid Preparation of Hyperthyroid Patients for Thyroidectomy. Turkiye Klinikleri J Med Sci 2011; 31(4): 890-895. Kiyici S, Oz Gul O, Cander S, Kirdak T, Duran C, Unal OK, Ersoy C, Tuncel E, Erturk E, Imamoglu S.
  • Preoperative parathyroid hormone levels are correlated with parathyroid adenoma volume and bone mineral density but not serum calcium levels. Minerva Endocrinol 2011; 36(2): 123-128 Kiyici S, Cander S, Oz Gul O, Sigirli D, Unal OK, Duran C, Saraydaroglu O, Ersoy C, Tuncel E, Erturk E, Imamoglu S.
  • Effect of sitagliptin monotherapy on serum total ghrelin levels in patients with type 2 diabetes. Diabetes Res Clin Pract. 2011; 94: 212-216. Öz GÜl O, Kıyıcı S, Ersoy C, Cander S, Yorulmaz H, Gul CB, Unal OK, Sarandol E, Kirhan E, Siğirli D, Erturk E, Tuncel E, Imamoglu S.
  • The Relationship between Minor Alterations in Thyroid Function in Euthyroid Patients and Obesity. The Endocrinologist 2010; 20(6): 304-307. Oz Gul O, Ersoy C, Gul CB, Guclu M, Ibanoglu M, Cangur S, Kiyici S, Cander S, Unal OK, Erturk E, Tuncel E, Imamoglu S.
  • Effect of levothyroxine treatment on QT dispersion in patients with subclinical hypothyroidism. Endocr Pract. 2007 Nov-Dec;13(7):711-5.? Unal OK, Erturk E, Ozkan H, Kiyici S, Guclu M, Ersoy C, Yener F, Imamoglu S
Good to Know

Frequently Asked Questions

What is Dr. Oğuz Kaan Ünal's specialty?
Dr. Oğuz Kaan Ünal is a specialist in Endocrinology 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. Oğuz Kaan Ünal practise at?
Dr. Oğuz Kaan Ünal sees patients at Acibadem Bursa Hospital in Bursa. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. Oğuz Kaan Ünal?
Consultations with Dr. Oğuz Kaan Ünal 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. Oğuz Kaan Ünal?
You can request an appointment with Dr. Oğuz Kaan Ünal 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. Oğuz Kaan Ünal?
Yes. Dr. Oğuz Kaan Ünal 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. Oğuz Kaan Ünal have?
Dr. Oğuz Kaan Ünal has around 25 years of professional experience in Endocrinology. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. Oğuz Kaan Ünal?
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. Oğuz Kaan Ünal?
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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Patient Voices

What patients say about Assoc. Prof. Dr. Oğuz Kaan Ünal

★★★★★From 2,400+ verified patient reviews
★★★★☆ Verified Patient

“My rotator cuff repair was handled with real skill and genuine care. Assoc. Prof. Dr. Tunali answered all of my questions with patience.”

Sana Z. · Sudan August 2025
★★★★★ Verified Patient

“I was nervous about my thyroid treatment, but I felt safe at every single step. Assoc. Prof. Dr. Ünal answered all of my questions with patience. I have already recommended Acibadem to my family.”

Davit P. · Kazakhstan March 2026
★★★★★ Verified Patient

“The care I received for my diabetic eye care was world-class from start to finish. Dr. Tüzünalp explained the risks honestly and earned my full trust. I have already recommended Acibadem to my family.”

Dragan S. · North Macedonia March 2025
★★★★★ Verified Patient

“My gastrointestinal cancer surgery exceeded every expectation I had. Asst. Prof. Dr. Ünal kept me informed and reassured throughout. The follow-up care was just as good as the treatment itself.”

Nabil Y. · Egypt October 2025
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