Best Online Consultation with Oncologist doctors: TOP 112 doctors

The doctor is a highly experienced Turkish medical oncologist specializing in sarcoma, lymphoma, pancreatic, lung cancer, and breast cancer. With over 20 years of experience, the doctor focuses on tumor biology, tumor immunology, cancer immunotherapy, and targeted therapies. Since 2019, the doctor has been serving as a medical oncologist at Anadolu Medical Center and previously held leadership roles at Istanbul Okan University Faculty of Medicine and GATA Haydarpaşa Training Hospital. The doctor has authored over 40 publications in cancer research and is a member of the Turkish Medical Oncology Association and the European Head and Neck Society.

Professor Zafer Gülbaş — hematologist-oncologist, founder and director of the Bone Marrow Transplant Center at Anadolu Medical Center, which is among the largest in Europe.

Why patients choose and trust Dr. Gülbaş:

• Built the Anadolu Bone Marrow Transplant Center from the ground up; the center has performed 3 000+ transplants (since 2010).
• 81% success rate for autologous transplants — a high figure according to the center’s data.
• International training and practice at leading institutions — Hadassah (Israel), Fred Hutch and MD Anderson (USA), Princess Margaret (Canada).
• 260+ scientific publications and 5 000+ citations — underscoring the professor’s significant contribution to transplantation.
• Anadolu Medical Center is an official partner of Johns Hopkins Medicine International, ensuring access to international protocols, multidisciplinary boards, and quality oversight.
• Manages the most complex cases: leukemias, lymphomas, aplastic anemia, and coagulopathies (clotting disorders).

The doctor graduated from the School of Medicine at Hacettepe University and completed residency at Istanbul Sisli Etfal Training and Research Hospital, followed by a fellowship at the Hacettepe University Cancer Institute.

Specializing in oncology, the doctor has extensive experience in treating various cancers, including breast, testicular, ovarian, lung, head and neck, and gastrointestinal cancers.

The doctor has worked at prestigious institutions such as The University of Texas MD Anderson Cancer Center, Hitit University Corum Training Hospital, and Medical Park Hospital.

The doctor is a specialist in Ear, Nose, and Throat Diseases and Head and Neck Surgery, with a medical degree from İnönü University Faculty of Medicine and residency completed at İstanbul Haseki Training and Research Hospital. With over 200 scientific publications, the doctor has held faculty positions at Abant İzzet Baysal University and Istanbul Gelişim University, and currently serves at Doğuş University. The doctor has received advanced training in the United States and Germany, and is the founder of the Ear, Nose, and Throat Department at Özel A plus Hisar Intercontinental Hospital.

Clinical interests include functional and aesthetic nasal surgeries, endoscopic sinus and ear surgeries, and head and neck cancer surgery. The doctor is also experienced in pediatric ENT diseases and vocal cord surgeries.

Dr. Kemal Raşa is an experienced general surgeon with over 20 years of practice, specializing in breast cancer, pancreatic and thyroid cancer surgery, and glucose metabolism and infection treatment. He is the President of the Surgical Infection Society - Europe and a lecturer in several departments. He is also a member of The Surgical Infection Society Europe (SIS-E), The World Society of Emergency Surgery (WSES), The World Surgical Infection Society, The Turkish Medical Association and The Turkish Surgical Association.

Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.

Prof. Dr. M. Emre Üstündağ is a Professor of Otorhinolaryngology–Head and Neck Surgery at Anadolu Medical Center in Gebze. He has been a professor at Kocaeli University since 2006. He completed his MD and ENT residency at Istanbul University between 1983 and 1995. He has worked at Istanbul and Kocaeli universities and at Acıbadem hospitals. He has also maintained a private practice since 2006.

Clinical focus: head and neck oncology and surgery; rhinology and rhinoplasty; laryngology; septoplasty; sleep apnea surgery.

He completed international training in Ireland (Ardkeen). In Germany, he trained in Tübingen; Freiburg (otology, 4 months); and Regensburg (rhinology, 4 months). In the USA, he trained at Stanford in laryngology and sleep apnea (4 months). He has 47 international articles and 788 citations (Google Scholar, Jan 2026). He is a member of the Turkish ORL-HNS, the Istanbul University ENT Association, and the German ORL-HNS.

Dr. Ofer Merimsly is the best sarcoma, lymphoma, and lung cancer doctor within Israel and in the world. Also specializes in Whipple surgery treatment for patients with pancreatic cancer. Head of the National Center for sarcomas of bone and soft tissues of the Tel Aviv Medical Center Sourasky (Ichilov).

Specialty:

• Treatment of all types of lung cancer and thoracic organs
• Treatment of all types of sarcomas of bone and soft tissue
• Treatment stromal tumors of the gastrointestinal tract

Education and specialization:

• Higher medical education, graduated the Medical Faculty of the Hebrew University of Jerusalem, Israel
• Residency in General Oncology and Radiotherapy
• Training in the field of radiotherapy and brachytherapy at New York Hospital, USA
• Special refresher course for the treatment of tumors of the skeleton and soft tissues, Paris. France

Membership:

• President of the Society of oncologists and radiotherapists Israel
• The American Scientific Cancer Society
• European scientific medical organization
• European Society of Oncology of the musculoskeletal system
• International Society for the treatment of tumors of the connective tissue

The doctor is a highly respected oncologist with extensive experience in a wide range of cancer treatments. She has significantly contributed to clinical research, particularly in understanding and improving patient attitudes towards clinical trials. Her clinical focus includes advanced procedures such as Hyperthermic Intraperitoneal Chemotherapy (HIPEC), SIRT therapy, and immunotherapy with Keytruda. The doctor also performs complex surgeries including Whipple surgery, liver resection, and pancreatic cancer surgery, demonstrating a comprehensive approach to oncologic care.

Doctor Brenda Pastrana is a mexican surgical Oncologist. 

Medical background.

Centro Medico Nacional 20 de Noviembre Issste, Surgical Oncologist in 2020.

Title by Universidad Autónoma de México UNAM.

Surgical Residency Instituto Mexicano del Seguro Social. 2015.

Title by Universidad de Quintana Roo. 

Board Certified by Conacem from 2020 to 2025 number 2171 

Board Certified by Conacem from 2025 to 2030 number 2171

Member of SMEO. Sociedad Mexicana de Oncología. 

University teacher at Universidad Anahuac of Medicine since 2020.

1.Bachelor’s degree
- Doctor of medicine, Rangsit university.

2.Master’s degree

>Medical and health science degree
- Professional master’s degree in clinical nutrition in medicine.
- Professional master’s degree in integrative medicine.

>Management degree
- Professional master’s degree in hospital and health services management.

3.Doctorate degree
- Doctorate in psychology (candidate).

4.Diploma
- American Bord of nutritional wellness.
- American naturopathic certification board.

- Certified integrative oncology physician, American institute of integrative oncology.

- Certified fertility wellness physician.

- Certified CBT-I physician.

- Advanced nutritional wellness, IFNW.

-Biochemical and clinical analysis diploma.

- Functional gastroenterology and pediatric food allergies diploma.

- IV nutrition diploma, IFNW.

-Medicinal herbology diploma, IFNW.

Prof. Amos Toren, MD, PhD, MHA, is a pediatric hemato-oncologist and BMT specialist. He served as Director of Pediatric Hemato-Oncology and BMT at Sheba Medical Center.

He is board certified in Pediatrics, Pediatric Hemato-Oncology, and Bone Marrow Transplantation. He holds a PhD in Human Genetics. He was Head of the Hematology Division at Tel Aviv University for two terms. He is a member of ASH, COG, ESPHI, EBMT, and CIBMTR. He also serves on the Ministry of Health Cord Blood Committee.

He led one of Israel’s most advanced pediatric oncology and BMT programs. The program treated children and young adults. His focus includes leukemia and lymphoma, immunodeficiencies, and rare cancers. He specializes in BMT and CAR T-cell therapy.

His translational research covers CAR T cells, cytokine-induced killer cells, pediatric brain tumors, and targeted therapies. He has worked with St. Anna, the NIH, and St. Jude. His publications include studies on pediatric SCT prophylaxis and PARP resistance.

Dr. Arnon Nagler is an internationally recognized hematologist and bone marrow transplant expert. He is a Professor of Medicine at Tel Aviv University. He is Director Emeritus of Hematology & Bone Marrow Transplantation and the Cord Blood Bank at Sheba Medical Center. He earned his M.D. from the Hebrew University–Hadassah and an M.Sc. in hematopoiesis from Tel Aviv University. He completed postdoctoral training at Stanford. He is board certified in internal medicine and hematology.

He has more than 35 years of experience. He pioneered reduced‑intensity allogeneic transplant protocols for malignant and non‑malignant diseases. He founded Israel’s first public cord blood bank. He performed the country’s first cord blood transplants.

He has held international leadership roles. He served as Chair and Co‑Chair of the ALWP of the EBMT. He was a vice‑chair and long‑term member of EBMT committees. He served on the board of NetCord/EuroCord and as treasurer. He is a frequent invited speaker. He has published widely in journals such as Blood and Leukemia. He has led major clinical trials as a principal investigator and held editorial roles. He has received multiple awards for innovation and clinical excellence.

Experience

• 1990 - 1994 – General Practitioner
• 1994 - 2001 – Research Assistant, Erciyes University, Faculty of Medicine
• 2001 - 2006 – Assistant Professor, Internal Medicine/Hematology, Erciyes University, Faculty of Medicine
• 2006 - 2011 – Associate Professor, Internal Medicine/Hematology, Erciyes University, Faculty of Medicine
• 2011 - 2019 – Professor, Internal Medicine/Hematology, Erciyes University, Faculty of Medicine

Professional Memberships

• Turkish Society of Hematology
• European Group for Blood and Marrow Transplantation (EBMT)
• Hematologic Oncology Association
• Antalya Medical Chamber

Personal Information 

Sex:  Male

Born : 1968 

Professional Experience

Gayrettepe Florence Nigthingale Hospital

Medical Oncology Department

Besiktas/Istanbul/Turkey (ongoing)

Education:

He became Professor (22/April /2016)

Medical Oncology

Attending Phys.in Gastrointestinal Oncology (January 2005 ,2009)

Istanbul University Oncology Institue,

Department of Medical Oncology

Medical Oncology Fellowship (December 2001-December2004)

Istanbul University, Istanbul Medical Faculty

Hemodialysis Traning (May1996-January1997)

Istanbul University ,bCerrahpasa Medical Faculty

Internal Medicine Residency (November 1991-November 1996)

Istanbul University ,bCerrahpasa Medical Faculty

Ege University Medical Faculty (1985-1991)

Professional Experience

February 1999-November 2001

Metropolitan Florence Nigthingale Hospital

American Cancer Center, Gayrettepe/İstanbul

April1997- October 1998

Bayraktar Dialysis Center

Güngören/ Istanbul

Membership

Turkish Medical Oncology Association

ENET(European Neuroendocrine Tumour Society)

ESMO

ASCO

Professor Dov Zippel is a general surgeon and surgical oncologist. He specializes in breast disease and melanoma. He leads the Meirav Breast Center at Sheba Medical Center. He also serves at the Ella Lemelbaum Institute for Immuno-Oncology. In 2025, Forbes Israel named him to its Best Doctors list.

Expertise: advanced care for benign and malignant breast tumors. Minimally invasive and breast-conserving surgery. Surgical treatment of melanoma and other skin cancers.

Accreditations: MD, Tel Aviv University. Residency in general surgery, Sheba Medical Center. Fellowship in surgical oncology, University of Calgary. Board-certified in general surgery and surgical oncology. Research includes intact breast lesion excision and perioperative BRAF inhibitors for stage III melanoma.

Personal information

Title: Professor Doctor

Branch: Radiation Oncology

Work History:

1 GATA Military Medical Faculty

2 Gayrettepe Florence Nightingale Hospital

3 T.R. Demiroğlu Bilim University \ Associate Professor

4 T.R Demiroğlu Bilim University \ Professor

Medical Specialties and Subspecialties:

1 Head and Neck Cancers

2 Radiation Oncology

Priority treatments:

1 Prostate cancer

2 Conformal treatments

Special advanced health technologies:

1 Truebeam Stx Technology

2 Halcyons

Education

1991 - Istanbul University Istanbul Faculty of Medicine

1996 - Istanbul University Cerrahpaşa Faculty of Medicine Radiation

Oncology Specialization Training

Dr. David Kuczer is a specialist in radio-oncology with many years of experience in cancer diagnosis and treatment. He offers fast access to precise radiotherapy based on current scientific standards.

He is a member of the Cancer Center at the Vienna Private Clinic. He presents each patient to the in-house tumor board. This allows an interdisciplinary discussion by an internationally renowned team and helps select the best treatment.

All radiation treatments are provided in close cooperation with Amethyst Radiotherapy at the Vienna Private Clinic.

Activities • Prevention, research and early diagnosis of cancer • Palliative care in cancer • Cytotoxic chemotherapy • Hormontherapy • Targeted treatment • Immunotherapy Education • 2004 -2010 - Istanbul University, Istanbul faculty of medicine • 2011-2015 - Istanbul University, Istanbul faculty of medicine, internal medicine specialist • 2013-2014 - Cleveland Clinic Endocrinology Department, research associate • 2016-2019 Bezmiâlem Foundation University Medical Oncology Subdivision • Dissertation: Prognostic value of absolute monocyte count in patients with mantle cell lymphoma. • Subdivision Dissertation: An effect of adjuvant chemotherapy on lipid profile and anthropometric parameters in patients with breast and colon cancer. Publications • Circulating Thyroid-Stimulating Hormone Receptor Messenger RNA as a Marker of Tumor Aggressiveness in Patients with Papillary Thyroid Microcarcinoma. Aliyev A, Gupta M, et al. Endocr  18. • The utility of peripheral thyrotropin receptor mRNA in the management of differentiated thyroid cancer. • Aliyev A, Soundararajan S, Bucak E et al. Surgery.  • Diagnostic accuracy of circulating thyrotropin receptor messenger RNA combined with neck ultrasonography in patients with Bethesda III-V thyroid cytology. Aliyev A, Patel J, Brainard J, et al. Surgery.2016 Jan;159(1):113-7. doi: 10.1016/j.surg.2015.06.063. Epub 2015 Oct 9. • Role of Urotensin-2 in 5-Fluorouracil-Related Arterial Vasoconstriction in Cancer Patients. Seker M, Aliyev A, et al. Oncol Res Treat. Epub 2018 Aug 20. • Pertuzumab, trastuzumab and taxane-based treatment for visceral organ metastatic, trastuzumab-naive breast cancer: real-life practice outcomes. Esin E, Oksuzoglu B, Bilici A, Aliyev A. Cancer Chemother Pharmacol.2019 Jan; Epub 2018 Oct 30. • Usefulness of serum M30 and M65 levels to predict response to neoadjuvant chemotherapy in patients with breast cancer. Turk HM, Aliyev A, Celik RS. Curr Probl Cancer.2019 Jul 29. pii: currproblcancer.2019.06.009. • Prognostic impact of primary tumor location on survival in metastatic colorectal cancer patients: A single center experience. Tarik Demir, Murat Araz, Altay Aliyev. Medicine Science International Medicine Journal. • Oral presentations 

Dr. Einat Shacham‑Shmueli is a senior medical oncologist at the Gastrointestinal Clinic, Cancer Center, Sheba Medical Center. She treats cancers of the colon, stomach, and pancreas. She also manages metastatic disease. She uses precision diagnostics and biomarkers, systemic therapies, and radiotherapy. Care is provided within a multidisciplinary team.

She has authored more than 25 peer‑reviewed papers on GI oncology, tumor biology, and new treatments. Her work includes studies on stenting for malignant colonic obstruction. She serves as an investigator in international programs, including the NCI, the Radiation Therapy Oncology Group, and the Cancer Therapy Evaluation Program.

Education: MD, Tel Aviv University. Oncology residency, Tel Aviv Sourasky Medical Center. Advanced training in GI oncology, UCSF. Accreditations: Board certified in Oncology and Gastroenterology. Member, Israel Society of Oncology and Radiotherapy.