Medical Oncology Prof. Dr. Özge Gümüşay
✓ Medically verified profileProf. Dr. Özge Gümüşay
✓ Medically verified profile
Quick answer
Prof. Dr. Özge Gümüşay is a Medical Oncology specialist at Acıbadem Ataşehir Hospital. She treats patients with breast cancer, including male breast cancer, and has focused clinical experience in breast cancer oncology through her work at UCSF Helen Diller Family Comprehensive Cancer Center and Stanford University Comprehensive Cancer Center.
About Prof. Dr. Özge Gümüşay
Prof. Dr. Özge Gümüşay is a medical oncologist at Acıbadem Ataşehir Hospital, with clinical interests in breast cancer and male breast cancer. She provides oncology care with a focus on clear communication and individualised treatment planning.
She graduated from Hacettepe University Faculty of Medicine and completed Internal Medicine and Medical Oncology training at Gazi University Faculty of Medicine. Her academic and clinical path includes breast cancer oncology experience at UCSF Helen Diller Family Comprehensive Cancer Center and Stanford University Comprehensive Cancer Center, and she became a Professor at Acıbadem University Faculty of Medicine in 2023.
International patients can expect consultation in medical oncology for breast cancer-related concerns, supported by her academic background and experience in dedicated cancer centres. Prof. Dr. Gümüşay is a member of ASCO, ESMO and the Turkish Medical Oncology Association.
Areas of Expertise
Conditions treated and procedures performed by this specialist.
Education
- 2023Acıbadem University Faculty of Medicine / Professor
- 2021Stanford University Comprehensive Cancer Center, Palo Alto, California
- 2019–2021UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California, (Breast Cancer Oncology)
- 2017Gaziosmanpaşa University Faculty of Medicine / Associate Professor
- 2014Gazi University Faculty of Medicine Medical Oncology
- 2010Gazi University Faculty of Medicine Internal Medicine
- 2005Hacettepe University Faculty of Medicine
Professional Experience
- 2022Acıbadem Healthcare Services
- 2014–2019Gaziosmanpaşa University Faculty of Medicine, Medical Oncology Specialist
- 2010–2014Gazi University Faculty of Medicine, Medical Oncology Subspecialty Research Assistant
- 2006–2010Gazi University Faculty of Medicine, Internal Medicine Research Assistant
Professional Memberships
- American Society of Clinical Oncology (ASCO)
- The European Society of Medical Oncology (ESMO)
- Turkish Medical Oncology Association (TTOD)
Selected Publications
- CDK4/6 inhibitors: Mechanisms of resistance and potential biomarkers of responsiveness in breast cancer Future Oncology, 2022 Mar;18(9):1143-1157. Cetin B, Wabl CA, Gumusay O.
- Immunotherapy Toxicity: identification and management Breast Cancer Res Treat 2022 Feb;192(1):1-17. Gumusay O, Callan J, Rugo HS.
- Immunotherapy in Breast Cancer and the Potential Role of Liquid Biopsy. Front. Oncol., March 15, 2022. (share first authorship) Magbanua MJ, Gumusay O, Kurzrock R, vant Veer LJ, Rugo HS.
- The role of percutaneous vertebral augmentation in patients with metastatic breast cancer: Literature review including report of two cases Breast. 2022 Apr 2;63:149-156. Gumusay O, Huppert LA, Behr SC, Rugo HS.
- Emerging treatment strategies for metastatic triple-negative breast cancer. Therapeutic Advances in Medical Oncology. January 2022. Huppert LA, Gumusay O, Rugo HS.
- Trials of Immunotherapy in Triple Negative Breast Cancer. Curr Breast Cancer Rep 13, 171185 (2021). Gumusay O, Wabl, CA, Rugo HS.
- Pembrolizumab for Early Triple-Negative Breast Cancer. N Engl J Med 2020 Jun 25;382(26): e108. Cetin B, Gumusay O.
- Strategic Combinations to Prevent and Overcome Resistance to Targeted Therapies in Oncology. Am Soc Clin Oncol Educ Book. 2020 May;40:e292-e308. Gumusay O, Vitiello PP, Wabl C, Corcoran RB, Bardelli A, Rugo HS.
- Factors Influencing Chemotherapy Goal Perception in Newly Diagnosed Cancer Patients J Cancer Educ. 2016 Jun;31(2):308-13. Gumusay O, Cetin B, Benekli M, Gurcan G, Ilhan MN, Bostankolu B, Ozet A, Uner A, Coskun U, Buyukberber S.
- Discordances in HER2 status between primary gastric cancer and corresponding metastatic sites Japanese Journal of Clinical Oncology. 2015 May; 45(5), 416-421. Gumusay O, Benekli M, Ekinci O, Baykara M, Ozet A, Coskun U, Demirci U, Uner A, Dursun A, Atak EY, Buyukberber S.
Frequently Asked Questions
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Is an online video consultation available with Dr. Özge Gümüşay?
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Can international patients arrange treatment with Dr. Özge Gümüşay?
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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. Özge Gümüşay
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.
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Your information stays strictly confidential and is used only to arrange your care.
