About Us

Mehmet Mahir ATASOY MD,

Associate Professor in Interventional Radiology

Mehmet Mahir Atasoy, born in 1978, completed is primary and middle school education in Istanbul. He finished Cerrahpaşa medical school in English in 2011 at Istanbul University.  

Between the years of 2002-2006, he specialised in Radiology at the Maltepe University School of Medicine. He found the opportunity to work alongside Prof. Dr. Levent Çelik, one of Turkey’s most renowned breast radiologists at the Maltepe University Department of Radiology. For his dissertation he analysed the topic of ‘MRI As A Management Method For Patients With Breast Cancer’.

He worked as a Breast Radiologist at the Turkey Breast Foundation for two years. He still continues to carry out social responsibility work for the Turkey Breast Foundation by sitting on the board.

He completed his military service at Diyarbakır Soldier Hospital.

After military service, he worked as a radiology expert at Dr. Siyami Ersek Hospital for two years; here he gained experience in interventional radiology, angiography and stent implementations.

From 2011 onwards, Dr. Mehmet Mahir Atasoy has been working as a lecturer at Maltepe University Medical Faculty, in the Breast Radiology and Interventional Radiology Department; in 2016 Mart he received status as associate professor.

His work has focused on diseases that previously had required surgery for therapy, but that no longer do so. The main topics that modern systems can be applied for treatments are; Varicose Vein Treatment, Breast Fibroadenom Treatment, Thyroid Nodules Treatment and some therapies of Oncology, especially liver cancer.

Dr. Mehmet Mahir Atasoy is one of the world’s leading academics regarding the issue of treating varicose veins without surgery; since 2011 he has been able to successfully treat over 2000 patients. He published is work in JVIR, one of the most important journals regarding interventional radiology, showing for the first time that veins larger than 15mm could be treated with lasers. In addition, he proved that swollen and big varicose veins can be treated without surgery because of his FAFS technique that he developed.

Furthermore, in the Breast Radiology Department, he helps patients with early diagnosis of cancer because of advanced imaging technology, breast biopsies and treatment of benign breast lumps without surgery.  Dr. Atasoy works with a multidisciplinary team as a radiologist; and as part of this team that provides several new ways of treatment and diagnosis, they have presented the first series of HIFU treatment for breast lumps in Turkey.

In the Department of Interventional Oncology at Maltepe University, he implements the most advanced treatments of modern medicine such as TACE, RF Ablation and Microwave Ablation. Other than his position at university he helps with the diagnosis and treatment of patients at Istanbul Oncology Hospital.

Dr. Atasoy has published articles in over 25 International medical journals and has been invited to several conferences to speak. Other than his scientific awards he has a patented vacuum biopsy needle.

To help his patients further, Dr. Mehmet Mahir Atasoy has also trained in preventive medicine, functional medicine and integrative medicine alongside his academic career in modern medicine. He believes that most illnesses can be prevented with a healthy spirit, healthy diet and healthy lifestyle.

He has also been trained in Clinical Phytotherapy in 2017 alongside his integrative medicine training, which has been certified by the Health Ministry of Turkey. He took part in functional training at the Cleveland Clinic’s The Institute For Functional Medicine(IFM).

For social responsibility projects he has given many Preventive Medicine Seminars at several organisations since 2010. He also continues to educate faculty of medicine students and colleagues regarding the effects of healthy eating and lifestyle on illnesses. As a firm believer of healthy spirit, healthy diet and lifestyle in preventing disease, he is also a founding member and chairman of PAFMA, The Preventative and Functional Medicine Association, founded in 2017.

Dr. Mehmet Mahir Atasoy provides ‘Functional Medicine’ support and advice to those at the Interventional Radiology department of Maltepe University Medicine Faculty who do not want to have surgery.  Moreover, he sees patients at Istanbul Oncology Hospital who want to reach healthy states of being or be free of medical prescriptions and drugs and take control of their health before it is damaged.

Dr. Atasoy founded The School of Functional Medicine in 2018 that aims to educate everybody, especially doctors, who aim to contribute towards human health in Functional Medicine, which Dr. Atasoy regards as ‘The Personalised Medicine of The Future’.

Dr. Atasoy believes that dietary supplements must be used in this day and age as the foods we consume are not that healthy and do not have a rich amount of vitamins/minerals; for this reason he also owns a company with a brand name called ‘REFERANS’ that creates high quality and effective dietary supplements.

Dr. Mehmet Mahir Atasoy is married to Dr. Işıl Atasoy who is a cardiology and internal medicine expert and has two wonderful children.

Scientific Articles in International Journals


  1. Arslan G, Celik L, Cubuk R, Celik LAtasoy MM. Internal Mammary Artery Anastomoses in Patients without Breast Lesions (BIRADS 1) and in Patients with Malignant Breast Lesions (BIRADS 6) on Magnetic Resonance Imaging (MRI). Pol J Radiol. 2017 Nov 17;82:660-663. doi: 10.12659/PJR.902674. eCollection 2017.
  2. Arslan G, Çelik L, Çubuk R, Çelik L,  Atasoy MM.  Background parenchymal enhancement, is it just an innocent effect of estrogen on the breast? Diagn Interv Radiol. 2017 Nov-Dec;23(6):414-419. doi: 10.5152/dir.2017.17048.
  3. Arslan G, Celik L, Atasoy MM, Celik L, Cubuk R. Complication of non-US guided procedure of aquafilling breast gel. Med Ultrason. 2017 Apr 22;19(2):236-237. doi: 10.11152/mu-1021.
  4.  Arslan G, Çelik L, Çubuk R, Çelik L,  Atasoy MM.   Internal Mammary Artery Anastomoses in Patients without Breast Lesions (BIRADS 1) and in Patients with Malignant Breast Lesions (BIRADS 6) on Magnetic Resonance Imaging (MRI).  Pol J Radiol. 2017; 82: DOI: 10.12659/PJR.902674
  5.  Arslan G, Çelik L, Çubuk R, Çelik L,  Atasoy MM .  Comparison of Internal Mammary Artery and Lateral Thoracic Artery Width in Patients with Benign and Malignant Breast Tumors. Erciyes Med J 2017; 39(3): 101-5 • DOI: 10.5152/etd.2017.16128
  6. Celik L, Cubuk R, Arslan G, Atasoy MM, Celik L. Accidental injection of autologous fat into the breast implant: a case report highlighting radiological findings. Eur J Plast Surg. DOI 10.1007/s00238-017-1319-6
  7. Arslan G, Celik L, Atasoy MM, Celik L, Cubuk R. Complication of non-US guided procedure of aquafilling breast gel. Med Ultrason. 2017 Apr 22;19(2):236-237.
  8.  Arslan G, Altintoprak KM, Yirgin IK, Atasoy MM, Celik L. Diagnostic accuracy of metastatic axillary lymph nodes in breast MRI. Springerplus. 2016 Jun 16;5(1):735. doi: 10.1186/s40064-016-2419-7. eCollection 2016.
  9. Atasoy MM. Efficacy and Safety of Endovenous Laser Ablation In Large Great Saphenous Veins. J Vasc Interv Radiol. doi:10.1016/j.jvir.2015.04.015.
  10. Nas F, Kacar E, Dogan N, Atasoy MM,  Erdogan C. Rare use of atrieve vascular snare™ for percutaneous transcatheter retrieval of central venous port catheter fragments. Diagnostic and Interventional Imaging. doi: 10.1016/j.diii.2015.03.007
  11. Aydın A, Çubuk R, Atasoy MM, Gürol T, Soylu Ö, Dağdeviren B. The morphologic and functional features of LAD myocardial bridging at multi-detector computed tomography coronary angiography: correlation with coronary artery disease. Arch Turk Soc Cardiol. 2015 Jan;43(1):31-7
  12. Atasoy MM, Sariman N, Levent E, Çubuk R, Çelik Ö, Saygi A, Atasoy I, Şahin S. Nonsevere Acute Pulmonary Embolism: Prognostic CT Pulmonary Angiography Findings. J Comput Assist Tomogr. 2015 Mar-Apr;39(2):166-70.
  13. Atasoy MM. Fill and aspirate foam sclerotherapy (FAFS): a new approach for sclerotherapy of large superficial varicosities concomitant to endovenous laser ablation of truncal vein. Clin Radiol. 2015 Jan;70(1):48-53.
  14. Atasoy MM, Tasali N, Cubuk R, Narin B, Deveci U, Yener N, Celik L. Vacuum-assisted stereotactic biopsy for isolated BI-RADS 4 microcalcifications: evaluation with histopathology and midterm follow-up results. Diagn Interv Radiol. 2015 Jan-Feb;21(1):22-7.
  15. Atasoy MM, Gumus B, Caymaz I, Oguzkurt L. Targeted endovenous treatment of Giacomini vein insufficiency-associated varicose disease: considering the reflux patterns. Diagn Interv Radiol 2014 Nov;20(6):481-6.
  16. Celik O, Cakmak HA, Satilmis S, Gungor B, Akin F, Ozturk D, Yalcin AA, Ayca B, Erturk M, Atasoy MM, Uslu N. The relationship between gamma-glutamyl transferase levels and coronary plaque burdens and plaque structures in young adults with coronary atherosclerosis. Clin Cardiol. 2014 Sep;37(9):552-7.
  17. Yener NA, Sariman N, Atasoy MM, Midi A, Orki A. Primary Pulmonary Mucinous (Colloid) Adenocarcinoma that Arose in the Cavernomyoplasty Area in a Patient with Tuberculosis: A Rare Case Report.  Turkish Journal of Pathology. 2014 Feb 27. doi: 10.5146/tjpath.2014.01228.
  18. Celik O, Atasoy MM, Erturk M, Yalcin AA, Aksu HU, Diker M, Akturk FI, Erkanli K, Atasoy I, Kiris A. Comparison of different strategies of ivabradine premedication for heart rate reduction before coronary computed tomography angiography. J Cardiovasc Comput Tomogr. 2014 Jan-Feb;8(1):77-82.
  19. Sivrioglu AK, Basekim C, Mutlu H, Sonmez G, Saglam M, Ozturk E, Ozcan UA, Atasoy MM. Correlation between the histopathology and the characteristics of mammographic microcalcifications in malignant breast lesions. Gulhane Med J. 2014; 56(1): 27-31.
  20. Senates E, Masatlioğlu HS, Akdogan MF, Kurtulus D, Atasoy MM, Ovunç AOKA case of Polyarteritis Nodosa Mimicking Pyelonephritis and was misdiagnosed as Inflammatory Bowel Disease. Turk J Phys Med Rehab. 2013; 59:79-82.
  21. Celik O, Atasoy M, Ertürk M, Yalçin A, Aksu H, Diker M, Aktürk I, Atasoy I. Single dose ivabradine versus intravenous metoprolol for heart rate reduction before coronary computed tomography angiography (CCTA) in patients receiving long-term calcium channel-blocker therapy. Acta Radiol. 2013 Sep 19;55(6):676-681.
  22. Atasoy MM, Oren NC, Ilica AT, Güvenç I, Günal A, Mossa-Basha M. Sonography of fat necrosis of the breast: Correlation with mammography and MR imaging. J Clin Ultrasound. 2013 Sep;41(7):415-23.
  23. Ilica AT, Artaş H, Ayan A, Günal A, Emer O, Kilbas Z, Meric C, Atasoy MM, Uzuner O. Initial experience of 3 tesla apparent diffusion coefficient values in differentiating benign and malignant thyroid nodules. J Magn Reson Imaging. 2013 May;37(5):1077-82.
  24. Ilica AT, Senturk S, Kertmen M, Bukte Y, Bilici A, Atasoy MM. Facial vein aneurysm associated with sialadenitis. J Clin Ultrasound. 2012 Jun;40(5):319-21.
  25. Cubuk R, Tasalı N, Arslan G, Atasoy MM. Arterial Compression in a Young Adult due to the Presence of a Cervical Rib: CT and CT Angiographic Findings. The Eurasian Journal of Medicine 2010; 42: 46.
  26. Aksoy T, Karaca P, Atasoy MM, Sahin S. Isolated third nerve palsy after cardiac surgery. J Cardiothoracic Vascular Anesthesia 2007;21: 110–112.