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Last updated: 11/12/2026
684 Best Oncology Clinics Abroad
The best Oncology clinics in the world are those with proven outcomes, global accreditations, and transparent pricing. Bookimed has analyzed 968940+ treatment cases across 684 partner clinics to rank them by success rates, safety, and value for international patients.
Meet the experts behind this page
Medically reviewed by
Fahad Mawlood
Authored by Anna Leonova
Head of Content Marketing Team
Content meets the Bookimed Editorial Policy and is medically reviewed by
Yesim Yildirim - 20 years of experience
Medical oncologist, ESMO certified
Discover the Best Oncology Clinics in the World
The Bookimed clinic ranking is based on data science algorithms, providing a trusted, transparent, and objective comparison. It takes into account patient demand, review scores (both positive and negative), the frequency of updates to treatment options and prices, response speed, and clinic certifications.
Hisar Hospital Intercontinental
Turkey, Istanbul
Mustafa Solak
20 years of experience
Clinic is certified : 
Memorial Şişli Hospital
Turkey, Istanbul
Serkan Keskin
25 years of experience
accreditations : 
Clinic is certified : 
Sourasky Medical Center (Ichilov)
Israel, Tel Aviv
Ofer Merimsky
41 years of experience
accreditations : 
Clinic is certified : 
Centro Médico Teknon
Spain, Barcelona
Bartolome Oliver
50 years of experience • 280+ treatments performed
accreditations : 
Clinic is certified : 
Memorial Bahçelievler Hospital
Turkey, Istanbul
Sadi Kerem Okutur
20 years of experience
accreditations : 
Clinic is certified :
Istanbul Florence Nightingale Hospital
Turkey, Istanbul
Cem Iyibozkurt
31 years of experience
accreditations : 
Clinic is certified :
How to Choose the Right Oncology Clinic: 6 Insider Tips
Looking for the safest, most trusted Oncology centers with proven results? Keep these key points in mind:
Verify accreditation and beyond
International certifications such as JCI or ISO are baseline; also ask about annual case volume and complication rates.
Check specialization
Choose centers with dedicated Oncology departments and multidisciplinary teams.
Review doctor credentials
Confirm years of experience, case volume, and international training or memberships.
Confirm international patient services
Ask about language support, visa assistance, airport transfers, and accommodation coordination.
Review pricing details
Transparent pricing means itemized quotes – check what's included and what's not.
Read verified patient reviews
Best-reviewed clinics have detailed feedback on communication, recovery, and results.
Finding the right Oncology clinic abroad takes research. With more than 1,000,000 patient inquiries since 2014, we know which clinics have the expertise, technology, and outcomes for cases like yours. We're here to help you find trusted options that fit your needs and budget.
Top 684 Oncology Clinics in the World 2026 — Bookimed Insights
Based on 968940+ patient requests for Oncology and data from 684 accredited partner clinics, Bookimed identified these top centers for treatment outcomes, doctor expertise, and patient experience. The table reflects real 2024-2026 treatment programs. Final costs depend on your individual case and treatment plan. Request a free quote for personalized pricing.
| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.6 / 5 (544) | Istanbul, Turkey | 33+ years | Bone marrow transplantation, CyberKnife radiosurgery, Da Vinci robotic surgery, HIPEC chemotherapy, Immunotherapy | Complex cancer cases requiring multidisciplinary care | Performs 3,000+ bone marrow transplants annually with 81% success rate for autologous transplants. Offers advanced technologies like CyberKnife and Da Vinci robotic system. Partnered with Johns Hopkins Hospital for international protocols. | Planetree's Gold Certificate, International Accreditation System for Interventional Oncology Services (IASIOS) | ||
| #2 | 4.5 / 5 (266) | Istanbul, Turkey | 20+ years | Mastectomy, laparoscopic nephrectomy, chemotherapy, brachytherapy, CyberKnife, proton-beam therapy, immunotherapy, targeted therapy | Complex cancer cases with metastases | JCI-accredited Comprehensive Cancer Center with 1.5 Tesla MR-LINAC for precise radiotherapy. Offers multidisciplinary approach with specialists in gastrointestinal, thoracic, and head-neck cancers. Performs over 4,000+ cancer procedures yearly. | Joint Commission International , Turkish Medical Association (Türk Tabıplerı Bırliği) | ||
| #3 | 4.6 / 5 (436) | Istanbul, Turkey | 25+ years | Chemotherapy, immunotherapy, targeted therapy, stereotaxic radiosurgery, gland therapy for breast cancer | Advanced breast cancer treatment | Uses TrueBeam STx and IMRT for precise tumor targeting with 1.5mm accuracy. 900+ breast cancer procedures performed, with JCI accreditation since 2002. | International Organization for Standardization, Joint Commission International | ||
| #4 | 4.5 / 5 (172) | Tel Aviv, Israel | 41+ years | Robotic prostatectomy, brachytherapy, HIFU, Xofigo Radium-223, immunotherapy | Prostate cancer with metastases | Offers Lutetium-177 PSMA therapy and Xofigo for bone metastases. 90% success rate for prostate cancer treatment. Uses da Vinci Xi robotic system for precise surgery. | World's Best Smart Hospitals 2021 by Newsweek, World's Best Hospitals 2021 by Newsweek | ||
| #5 | 4.6 / 5 (175) | Vienna, Austria | 48+ years | Mastectomy, chemotherapy, hormone therapy, immunotherapy, targeted therapy | Personalized cancer treatment | ISO 9001-certified cancer center with 95% treatment success rate. Offers precision therapies like Lutetium-177 and tomotherapy with IMRT. Surgeons have performed 1,100+ breast and lung cancer procedures. | World's Best Hospitals 2021 by Newsweek, International Organization for Standardization | ||
| #6 | 4.7 / 5 (497) | Barcelona, Spain | 50+ years280+ treatments | Chemotherapy, brachytherapy, radiotherapy, immunotherapy, robotic surgery | Complex gastrointestinal and endocrine cancers | Performs 1,100+ oncology procedures annually with advanced techniques like HIPEC and robotic surgery. JCI-accredited with specialists trained at top institutions including Memorial Sloan-Kettering. | Joint Commission International , European Foundation for Quality Management | ||
| #7 | 4.6 / 5 (152) | Antalya, Turkey | 26+ years | Chemotherapy, immunotherapy, targeted therapy, radiotherapy, bone marrow transplant | Personalized cancer treatment plans | Follows NCCN and ESMO protocols, uses TrueBeam STx linear accelerator for precise radiotherapy, and offers multidisciplinary consilium for complex cases at this JCI-accredited hospital. | Joint Commission International | ||
| #8 | 4.6 / 5 (165) | Istanbul, Turkey | 20+ years | Chemotherapy, immunotherapy, targeted therapy, Whipple surgery, distal pancreatectomy | Complex cancer cases requiring multidisciplinary approach | Part of Turkey's largest healthcare network with JCI accreditation. Offers advanced Elekta Versa HD SIGNATURE radiotherapy system and performs 900+ to 1,100+ oncology procedures annually across cancer types. | International Organization for Standardization, Joint Commission International | ||
| #9 | 4.8 / 5 (9) | Istanbul, Turkey | 14+ years | Personalized chemotherapy, da Vinci XI robotic surgery, MR Linac targeted treatment, molecular profiling | Complex cancer cases requiring multidisciplinary care | JCI and ESMO accredited, multidisciplinary tumor boards design personalized treatment plans, offers advanced robotic surgical options with da Vinci XI and MR Linac technology for precise cancer treatment. | — | ||
| #10 | 5.0 / 5 (58) | Istanbul, Turkey | 31+ years | Chemotherapy, immunotherapy, robotic hysterectomy, lumpectomy, mastectomy | Breast cancer and gynecologic oncology | Specializes in robotic surgery and targeted therapies, JCI and ISO accredited, with comprehensive diagnostics and 1,100+ thyroid procedures performed. | Joint Commission International , International Organization for Standardization |