Page 6 - Best Tumor Marker Blood Test doctors: TOP 210 doctors

Prof. Dr. Önder SÜRGİT is a General Surgeon in the General Surgery Clinic. Working hours: 09:00–18:00. Core practice areas include laparoscopic surgery, cancer surgery, and bariatric surgery.

Graduated from Hacettepe Faculty of Medicine in 1995. Academic title: Professor. Served as Instructor Surgeon at ITEM (Advanced Medical Technologies Training Center). Held faculty roles at Turgut Özal University and Atılım University, Faculties of Medicine. Also worked at Ankara Medicana Hospital and Optimed Health Group. Foreign language: English.

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Prof. Dr. Mehmet Sait Buğdacı is a highly experienced physician specializing in Internal Medicine and Gastroenterology. He completed his medical education and specialty training at Istanbul University Cerrahpaşa Faculty of Medicine and Şişli Etfal Training and Research Hospital. His clinical interests include gastrointestinal diseases, endoscopic procedures, and clinical research. He has contributed to medical education through numerous scientific publications and textbooks and currently sees patients at Central Hospital.

Areas of Interest • Pediatric gastrointestinal surgery • Anorectal malformations and motility disorders • Minimally invasive pediatric surgery • Pediatric colorectal and pelvic floor disorders

Dr. Ercan Ozden is a specialist in internal medicine and medical oncology. He earned his medical degree and completed his residency at Istanbul University, Cerrahpaşa Faculty of Medicine. He later received a subspecialty in medical oncology at Kocaeli University Faculty of Medicine from 2016 to 2020.

Dr. Ozden has worked in medical oncology at Şırnak State Hospital. He has also served as an internal medicine specialist at Bağcılar Private Safa Hospital and Küçükçekmece Batı Bahat Hospital. He has extensive clinical experience in both internal medicine and oncology.

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.

Dr. Nir Kleinmann, MD, directs the Endourology and Kidney Stones Unit at Sheba Medical Center. He is an expert in minimally invasive urology and urologic oncology. His focus is the kidney and upper urinary tract. He was named among Israel’s Best Doctors for 2025–2026 by Forbes and ResultMed.

He is a pioneer of kidney‑sparing laser surgery. He uses a dual‑laser system with neodymium and holmium for complex tumors. His expertise includes UTUC, kidney and prostate cancer, kidney stones, and BPH.

His research includes the OLYMPUS trial on chemoablation for UTUC. He has more than 60 publications.

He is an Israeli board‑certified urologist. He is a Fellow of the American Endourology Society and a member of the Israeli Urological Association and the EAU. He completed fellowships in Endourology and Minimally Invasive Surgery at Thomas Jefferson University. He also completed a fellowship in Kidney Cancer Research at McMaster University.

Dr. Eytan Aharon Ben‑Ami, MD, is a Senior Physician in the Sarcoma and Bone Oncology Service at Sheba Medical Center. He heads the Oncology Division and the Early-Phase Clinical Trials Unit. He founded the Sheba Clinical Research Organization. He is an academic affiliate at Tel Aviv University.

He specializes in sarcomas and primary bone tumors, including soft tissue sarcoma, liposarcoma, leiomyosarcoma, and osteosarcoma. He leads Phase I trials in targeted therapy and immunotherapy. He designs personalized treatment plans for rare cancers. He also develops patient-centered programs, including pilots in advanced immunotherapy delivery.

He completed a fellowship in Sarcoma and Bone Oncology at the Dana-Farber Cancer Institute/Harvard Cancer Center. He has authored more than 40 publications on early detection, molecular and viral mechanisms, and new cancer therapies.

Dr. Zohar Dotan is Head of the Urology Department at Sheba Medical Center. He is a leading uro-oncologist and a pioneer of robotic and laparoscopic urologic surgery in Israel.

He has authored more than 50 scientific publications. He is a regular speaker at international conferences. He has received awards from the American Association of Clinical Surgery, including recognition for research in prostate cancer treatment.

Leadership and credentials: Head of the Israeli Uro-Oncology Society. Assistant Professor at Tel Aviv University. Member of the Israeli, American, and European Urological Associations. Training: MD from Tel Aviv University and a PhD in Genetics. Urology residency at Sheba Medical Center. Fellowship in uro-oncology and laparoscopic surgery at Memorial Sloan Kettering, New York.

Dr. Joseba Rebollo Liceaga is a seasoned medical oncologist with a comprehensive background in oncology.​

Education and Training:

Graduated in Medicine and Surgery from the University of Navarra (1985).​

Completed residency in Oncology in 1987.​

Specialist in Medical Oncology at the Clínica Universidad de Navarra (1991).​

Professional Experience:

Head of the Oncology Department at Clínica San Miguel de Navarra (1991–2004).​

Associate Physician at the University Clinic of the Faculty of Medicine, University of Navarra (1995–2002).​

Adjunct Physician at the Oncology Platform, Hospital Quirónsalud Torrevieja (2004–2014).

Head of the Oncology Department at Hospital General de Villalba (2014–2019).​

Currently practices as a Medical Oncology Specialist at Quirónsalud Alicante.​

Certifications and Training:

Completed multiple accredited courses in Multidisciplinary Oncology between 2003 and 2006.​

Research and Publications:

Authored research on electrochemotherapy and multidisciplinary treatment approaches in oncology.

Dr. Yaacov Lawrence, MA, MBBS, MRCP, is Chair of Radiation Oncology at Sheba Medical Center. He has nearly 30 years of experience in precision radiation oncology and neuro-oncology.

He is an expert in advanced radiation therapy and radiosurgery. He performs stereotactic radiosurgery for brain tumors. He leads Sheba’s GI Cancer Program in gastrointestinal oncology. He also provides precision care for lung and prostate cancers. He pioneered celiac plexus radiosurgery for severe pain from pancreatic cancer.

Training and credentials: MA and MBBS (Cambridge and UCLH); MRCP (RCP); Radiation Oncology fellowship (Thomas Jefferson University). Honors include the ASCO Young Investigator Award and Fellow of ASTRO (FASTRO). He has authored over 280 publications. He is Director of the Center for Translational Radiation Oncology and an Associate Professor at Tel Aviv University.

Prof. Elad Jacoby, MD, heads the Pediatric Cell Therapy Center at Sheba Medical Center. He is the Medical Director of the Advanced Biotherapy Center. He is a pioneer of pediatric CAR T‑cell therapy in Israel. He led one of the first national leukemia programs. He has almost 20 years of clinical and research experience.

He specializes in CAR T‑cell therapy, bone marrow and stem cell transplantation, and high‑risk pediatric leukemias and lymphomas. He leads international clinical trials and has authored over 240 publications. His collaborations include Johns Hopkins Hospital and the U.S. National Cancer Institute. He is an Associate Professor at Tel Aviv University. He received his MD from Tel Aviv University, completed residency at Sheba Medical Center, and fellowships at Johns Hopkins and the National Cancer Institute. He is board‑certified in Pediatrics and in Pediatric Hematology and Oncology. He serves on the IBFM CAR T‑Cell Taskforce and the Sheba Institutional Review Board. He leads the integration of CAR T‑cell therapy with transplantation.

Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).

She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).

Dr. Iris Kventsel, MD, is a pediatric hemato-oncologist and bone marrow transplant (BMT) specialist at Sheba Medical Center. She is an attending physician in the Pediatric Hemato-Oncology and BMT Division at the Edmond and Lily Safra Children’s Hospital. Her clinical focus is pediatric sarcomas, including Ewing sarcoma, osteosarcoma, and rhabdomyosarcoma.

She provides multidisciplinary care, including transplant and cellular therapies. She also uses current chemotherapy protocols and targeted therapies for complex childhood cancers.

Her research focuses on genetic cancer predisposition, including Li-Fraumeni syndrome, and cancer susceptibility genes. She has published in pediatric oncology, stem cell biology, and surgical oncology (HIPEC). She is on the academic staff at Tel Aviv University. Education: MD, Technion; Pediatrics residency, Assaf HaRofeh; Pediatric Hemato-Oncology fellowship, Sheba.

Education

Doctor of Medicine (M.D.) degree from Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 2022

Certifications

Certification of Anti-aging and Regenerative Medicine from The American Board of Antiaging and Regenerative Medicine (ABAARM)

Certification of Nutritional Wellness from The American

Naturopathic Certification Board (ANCB)

Clinical Focus

General disease diagnosis and treatment, as well as wellness care

Languages spoken: Thai and English

Dr. Hila Magen, MD, leads the Multiple Myeloma and Amyloidosis Unit at Sheba Medical Center. She is a hemato-oncologist with over 35 years of experience. She is a leading Israeli expert in multiple myeloma and plasma cell disorders.

She runs a program that provides personalized care and early access to clinical trials. This includes CAR-T therapy for high-risk and relapsed or refractory myeloma and amyloidosis. Dr. Magen is a principal investigator in point-of-care CAR-T studies. She brings new immunotherapies into routine care.

Training: Fellowships in Multiple Myeloma (UAMS) and Lymphocytic Leukemia (MD Anderson). Academic: Instructor, Tel Aviv University. Research: Author of 100+ publications, contributor to landmark myeloma studies, and reviewer for international journals.

Dr. Abraham Avigdor, MD, is Director of the Institute of Hematology and Co‑Director of the Hematology & Bone Marrow Transplantation Division at Sheba Medical Center. He is an international leader in lymphoma, CAR‑T, and advanced hemato‑oncology with more than 35 years of experience. His clinical focus includes lymphomas, multiple myeloma, and complex blood cancers.

He is a pioneer in CAR‑T integration. He leads cellular therapy and bone marrow transplantation programs (autologous and allogeneic). He also advances stem cell therapies and precision diagnostics, including PET/CT‑based prognostics. His work includes immunotherapy and targeted regimens and the development of innovative, data‑driven protocols.

He collaborates with LYSA, EMCL, and international PET groups. He has authored more than 130 publications. Key roles include Founder and President of the Israeli Lymphoma Working Group, former Chair of the Israeli Lymphoma Study Group, and Senior Lecturer at Tel Aviv University. Education: MD, Ben‑Gurion University; residency, Sheba Medical Center; postdoctoral fellowship, Weizmann Institute. Awards include the Knesset Prize, the Israeli Ministry of Health Award, and the Sackler Prize.

Prof. Avichai Shimoni, MD, is Director of Bone Marrow Transplantation at Sheba Medical Center. He is a hemato-oncologist with over 30 years of experience in bone marrow transplantation, cellular therapies, and advanced blood cancer care.

He leads a high-volume program for complex, high-risk blood cancers. He performs allogeneic and autologous transplants. He also provides CAR T-cell therapy for leukemia, lymphoma, and multiple myeloma. He completed a bone marrow transplantation fellowship at MD Anderson Cancer Center.

He is Chairman of Hematology at Tel Aviv University and a Professor of Hematology. He has authored more than 250 scientific papers. His research focuses on CAR T-cell therapy and stem cell transplantation. He is often listed among Israel's Best Doctors (Forbes 2025 and 2026).

EDUCATION:

2014 ADNAN MENDERES UNIVERSITY FACULTY OF MEDICINE, CHILD HEALTH AND DISEASES, CHILD NEUROLOGY

2011 IZMIR EDUCATION AND RESEARCH HOSPITAL, CHILD HEALTH AND DISEASES

2011 Izmir Tepecik Education and Research Hospital, Child Health and Diseases

2004 DICLE UNIVERSITY, FACULTY OF MEDICINE

EXPERIENCE:

2018 Istanbul Medipol Hospital

2017 - 2018 Kartal Education and Research Hospital

2014 - 2016 Denizli State Hospital

2011 - 2014 Aydin Adnan Menderes University Faculty of Medicine Hospital

2006 - 2011 Izmir Tepecik Education and Research Hospital

2011Izmir Education and Research Hospital

Professor Jair Bar, MD, PhD, is a thoracic oncologist and Deputy Director of the Cancer Center at Sheba Medical Center. He leads the Thoracic Oncology Unit. He treats lung cancer, including advanced non-small cell cases. His care includes medical oncology, radiotherapy, immunotherapy, and targeted therapy.

He runs a translational research lab focused on resistance to immunotherapy. He has published on exhaled-breath cancer metabolism and on angiogenesis inhibition in lung cancer.

He has chaired the Israel Lung Cancer Group since 2003. He is a member of the Israel Society of Clinical Oncology and Radiotherapy, the American Society of Clinical Oncology, and the American Association for Cancer Research. He is board-certified in Medical Oncology and Radiotherapy Oncology. He is a Senior Lecturer at Tel Aviv University.