Endocrinology Prof. Dr. Özlem Çelik
✓ Medically verified profileProf. Dr. Özlem Çelik
✓ Medically verified profile
About Prof. Dr. Özlem Çelik
Quick answer
Prof. Dr. Özlem Çelik is an endocrinologist at Acibadem Atakent Hospital in İstanbul with 22+ years of experience.
She treats endocrine and metabolic conditions including pheochromocytoma, primary hyperparathyroidism and related brown tumor, Graves ophthalmopathy, acromegaly, late-onset male hypogonadism, metabolic syndrome, diabetic ketoacidosis, autoimmune hypophysitis, severe hypokalemia with rhabdomyolysis secondary to hypokalemia, hypertension, and obesity. She offers consultations in Turkish and English, including online video consultation.
Prof. Özlem Çelik is a physician specializing in endocrinology and metabolic diseases. She completed her medical training at Istanbul University Cerrahpaşa Faculty of Medicine in 2011, with a focus on endocrinology and metabolic disorders. Since 2009 she has been affiliated with Acıbadem Health Group, where she has provided patient care and contributed to clinical practice in her specialty.
She is an active member of several professional societies, including the Turkish Society of Endocrinology and Metabolism, the Turkish Internal Medicine Specialty Society, The Endocrine Society, and the European Society of Endocrinology. Her membership in these organizations reflects a commitment to staying current with advances in endocrine care and to professional collaboration. Prof. Çelik’s clinical interests include diagnosis and management of hormonal and metabolic conditions, patient-centered care, and applying evidence-based approaches to improve outcomes for individuals with endocrine disorders.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Education
- 2011Istanbul University Cerrahpaşa Faculty of Medicine Endocrinology and Metabolic Diseases
- 2004Trakya University Faculty of Medicine Internal Medicine
- 1993–1999Istanbul University Istanbul Faculty of Medicine
Professional Experience
- 2009Acibadem Health Group
- 2007–2008Acibadem Beylikduzu Medical Center
- 2006Private Avcılar Medicana Hospital
- 2005–2006Private Ege Health Hospital Internal Medicine Clinic
- 2004–2005Trakya University Faculty of Medicine / Department of Internal Medicine
Professional Memberships
- Turkish Society of Endocrinology and Metabolism
- Turkish Internal Medicine Specialty Society
- The Endocrine Society
- European Society of Endocrinology
Selected Publications
- Atherogenicity and modifiable risk factors in hypertension: Blood pressurei obesityi smokingi salt. Sen S., Üstündağ S., Sevinir Ş., Değirmenci A., Çelik Ö. V National Congress of Hypertension and Renal Diseases.
- Pheochromocytoma presenting with rhabdomyolysis and acute renal failure: a case report. Ren Fail 2013, (Epub ahead of print) Celik H, Celik O, Guldiken S, Inal V, Puyan FO, Tugrul A.
- Diagnostic dilemma: metastatic bone malignancy or primary hyperparathyroidism with brown tumor. Open Journal of Internal Medicine, 2013, 3, 60-62. Hatipoglu E, Eskazan AE, Celik O, Kantarci F, Kadioglu P.
- The association of carotid cavernous fistula with Graves” ophthalmopathy. Indian J Ophthalmol 2013, 61(7): 349-51, doi: 10.4103/0301-4738.109533. Celik O, Buyuktas D, Islak C, Sarici AM, Gundogdu AS.
- Acromegaly is not associated with irritable bowel syndrome: a pilot study. Neuroendocrinology Letters 2013, 34(4): 71-74. E. Caglar, E. Hatipoglu, M. Niyazoglu, O. Celik, M. Tuncer, P. Kadioglu.
- Late-Onset Hypogonadism in Male Patients Over 60 Years of Age with Metabolic Syndrome. Turkish Journal of Endocrinology and Metabolism 2013, 17:22-7. E.Kara, O. Celik, A. Kadioglu, P. Kadioglu.
- Diabetic Ketoacidosis Mimicking Hyperemesis Gravidarum:Case Report. Turkish Journal of Endocrinology and Metabolism 2011, 15:71-73. Z.O.Siva, O.Celik, D.Buyuktas, Y.Dikmen, E.Yılmaz.
- Rhabdomyolysis secondary to severe hypokalemia: Case Report Turkish Journal of Endocrinology and Metabolism 2010, 14:100-102. O.Celik, I.Bavunoglu, M.Yürüyen, A.S.Gündogdu, P.Kadioglu.
- Autoimmune pituitaryitis. Turkiye Klinikleri J Endocrin-Special Topics 2010, 3(2):6-13. O.Celik, P.Kadioglu.
- A retrospective study of 39 cases of multiple myeloma treated with conventional treatment methods Turgut B, Demir M, Çelik Ö, Pamuk G, Ekuklu G. 29th National Congress of Turkish Society of Hematology:2002 – October 25-28;Antalya
Frequently Asked Questions
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A dedicated team, from first message to follow-up
Our international patient office coordinates your appointment, travel and treatment at JCI-accredited Acıbadem hospitals — and stays with you in your own language, every step of the way.
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Hospitals
Medical Units
Treatments Performed
What patients say about Prof. Dr. Özlem Çelik
★★★★★From 2,400+ verified patient reviews“My anaesthesia care exceeded every expectation I had. Dr. Çelik is clearly an expert and it showed at every stage. I have already recommended Acibadem to my family.”
“I flew in specifically for sleep apnea treatment and was treated with the utmost professionalism. Prof. Dr. Çelikel was thorough, professional and genuinely caring. I only wish I had come here sooner.”
“The care I received for my COPD management was world-class from start to finish. Prof. Dr. Çelikel inspired complete confidence from the first meeting. The follow-up care was just as good as the treatment itself.”
“Choosing Acibadem for my arrhythmia treatment was the best decision I made. Assoc. Prof. Dr. Çelik was calm, precise and deeply reassuring.”