Page 5 - Best Online Consultation with Oncologist doctors: TOP 114 doctors

Prof. Ben Boursi is a physician in the Gastrointestinal Cancer Department at Sheba Medical Center. He specializes in internal medicine, medical oncology, and cancer epidemiology. He is board certified in internal medicine and medical oncology. He earned a B.Med.Sc (summa cum laude) and an MD (magna cum laude) from Tel Aviv University.

He completed clinical and research fellowships in GI oncology and cancer epidemiology at the University of Pennsylvania. He also completed electives at MD Anderson and Mayo Clinic. He founded the ECOG-ACRIN Microbiome Working Group. His microbiome-oncology research has been published in leading journals, including Science, and highlighted by ASCO.

He developed predictive models for early diagnosis of colorectal and pancreatic cancers. These models are now in clinical evaluation. He holds an academic appointment at Tel Aviv University. He is also an Associate Scholar at the University of Pennsylvania.

The doctor specializes in breast cancer and endocrine treatment, focusing on overcoming resistance to hormone therapy during adjuvant and metastatic disease. Actively involved in phase 1, 2, and 3 studies for breast cancer and melanoma, the doctor has contributed to the approval of new drugs, including cdk4/6 inhibitors like palbociclib and ribociclib for metastatic breast cancer, and immunotherapy treatments such as Pembrolizumab, Nivolumab, and Ipilimumab for melanoma. The doctor is a member of the Breast Cancer Unit and Melanoma Unit at Vall d’Hebron University Hospital and the Vall d’Hebron Institute of Oncology.

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.

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.

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. 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.

The doctor received higher medical education at the Hebrew University and completed residency in internal medicine and gastroenterology at Hadassah University Hospital. An internship in liver diseases was completed at Sinai School of Medicine in New York. The doctor is a specialist in liver disease treatment, leading the liver disease unit at Hadassah Medical Center. They are a member of several international liver study associations and the editorial board of Clinical Science. The doctor has authored numerous articles and received multiple awards, including the Hadassah Prize and awards from the Israeli Association of Gastroenterology and Hepatology.

Key facts and achievements

• - More than 20 years of experience in the treatment of complex pathologies of the brain using Gamma Knife radiosurgery , including functional disorders and tumor diseases.
• -Works in a team with Dr. Roberto Martinez Alvarez , a world-leading neurosurgeon and Gamma Knife specialist, providing a unique multidisciplinary approach to patient care.
• - International experience : Studied and collaborated with leading global institutions, including the Gregorio Marañon in Madrid and the Gustave Roussy Institute in Paris.

Specialization

• More than 7,000 patients have been treated in the Radiosurgery Department, including:
• - Benign tumors : meningiomas, schwannomas, pituitary adenomas.
• - Malignant pathologies : brain metastases and CNS tumors.
• - Vascular pathologies : arteriovenous malformations, cavernomas and fistulas.
• - Functional disorders : refractory epilepsy, tremor, trigeminal neuralgia and obsessive-compulsive disorder.

Scientific and professional activities

• - Member of the international Gamma Knife Consortium , led by the University of Pittsburgh .
• - Author of scientific research and protocols for the treatment of cancer using radiotherapy.
• - Participated in the development of the innovative project "Fusion of Medical Images" as part of oncology research.

Experience

2002-present | Attached to the Department of Gamma Radiosurgery and Functional Neurosurgery of Ruber International Hospital.

2002-2007 | Assistant, Department of Radiation Oncology, Ruber International Hospital.

2002| Medical Affairs Manager Medical Department Janssen-Cilag, SA Madrid

Qualification

2012|Doctor of Medicine and Surgery Madrid. Department of Surgery, Autonomous University of Madrid. Spain

2001 | Specialist in Radiation Oncology at the Gregorio Marañón University Hospital in Madrid. Training completed at the Gustave-Roussy Institute in Paris in 2000.

1995 | Graduate of the Faculty of Medicine and Surgery, Complutense University of Madrid. Spain.

2016-present | Member of the Ruber International Hospital Gamma Knife Radiosurgery Team, International Gamma Knife Consortium: Led by the Pittsburgh Hospital.

1999-2000| Project Manager: "Protocol for Pamidronate Treatment of Breast Cancer Patients with Predominantly Lytic Bone Metastases"

1999 | GICOR Study: "Incidence of Anemia in Patients Receiving Radiation Therapy"

1999 | GICOR study: "Androgen deprivation protocol associated with radiation therapy for localized high-risk prostate cancer"

1997-2001|Participant (collaborator) in the research project (FIS FELLOWSHIP): "Multimodal fusion of medical images in oncology" at HGU Gregorio Marañon. Project leader: Dr. Desco Menéndez.

Teaching :

2018-present|Professor of the International Master of Radiosurgery of the Central Nervous System at the Complutense University of Madrid.

2020-present|Professor at the School of Radiosurgery of the Spanish Society of Neurosurgeons.

2017-2019|Professor of the Master of Radiosurgery and Clinical Stereotactic Radiotherapy of the Spanish Society of Radiation Oncology.

2017 - 2022| Member of the Dissertation Committee in Radiosurgery three times at the Autonomous University of Madrid and the Complutense University of Madrid.

2011-2012|Professor, International Master's Program in Advanced Technological Applications in Radiation Oncology, 3rd ed.

2001-2002|Associate Professor of Dentistry at the Alfonso X El Sabio University.

1998 - 2001|Professor of the secondary school I.E. Technical and vocational school of health K.A.M. (Radiation oncology technicians and archival technicians).

Publications

2022|Stereotactic radiosurgery of obsessive-compulsive disorders. Chapter. 25. Book: Intracranial stereotactic radiosurgery. ed. 2022. Pages: 251-256.

2022|Active monitoring and stereotactic radiosurgery provide a low risk of symptoms associated with incident frontobasal meningioma, but stereotactic radiosurgery provides better radiological control – a subanalysis of the IMPASSE trial. Cancers 2022; 14(5).1300. https://doi.org/10.3390/cancers14164047

2022|Stereotactic radiosurgery for Kuss grade IV vestibular schwannoma: a multi-institutional study. Journal of Neurosurgery. 2022 Jun 3; DOI: 10.3171/2022.4.JNS22203.

2022|Stereotactic radiosurgery for Rathke's cleft cyst: an international multicenter study. J Neurosurg 137: 1041–1046, 2022. DOI: 10.3171/2021.12.JNS212108.

2021|Surgery and radiosurgery in autism: a retrospective study on 10 patients. Stereotactic Function Neurosurgery. 2021;99(6):474–483. 15.

Presentations

2019| "Other indications in malignant tumor pathology" Cranial Radiosurgery Conference. Valencia 2019.

2018| Gamma Knife Radiosurgery: Concept, Equipment and Treatment Description I Scientific Conference on Gamma Knife Radiosurgery, Madrid, 2018

2018|Radiotherapy and protons in children. XX meeting of the SENEC Working Group on Neuro-Oncology:. Madrid.

2015| "Visualization monitoring of response and complications of brain treatment". XVIII National Congress of S.E.O.R. Valencia

2015 | Gamma Knife Radiosurgery in the Treatment of Refractory Epilepsy Associated with Nodular Heterotopia: Long-Term Safety and Efficacy. Congress of the Spanish Society of Neurology.

Communities it belongs to:

-SER, Spanish Society of Radiosurgery (she currently serves on the Board of Directors as Treasurer)

-SEOR, Spanish Society of Oncological Radiotherapy: Working Groups "Brain Tumors (NEUROONCOR)" and "Radiation Oncology Activities in the Private Sector"

-SSRI, International Society for Stereotactic Radiosurgery

- Member of the Oncology Group of the Spanish Society of Neurosurgery (SENEC).

Dr. Nuria Martínez Moreno , working in tandem with Dr. Roberto Martínez Álvarez, combines expert oncology knowledge and high-precision radiosurgery technology , providing patients with the most advanced and effective treatment in Spain.

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).

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.

The doctor has focused research on paraneoplastic neurological syndromes, leading a panel that established diagnostic criteria. His work confirmed the immune hypothesis linking tumors to autoimmune neurological dysfunctions, with antibodies identified by him now essential for diagnosis.

Clinically, the doctor specializes in diagnosing and managing gliomas, primary brain lymphomas, and cancer treatment-related neurotoxicities. Recent interests include neurological complications from immune checkpoint inhibitors and hematopoietic stem cell transplantation.

He holds an MD and PhD from Universitat Autónoma de Barcelona, completed a neurology residency in Barcelona, and a neuro-oncology fellowship at Memorial Sloan-Kettering Cancer Center.

The doctor is a clinical scientist with expertise in the clinical application of laboratory findings in breast cancer, focusing on gene expression and molecular subtypes. The doctor designs and leads clinical trials for novel drugs and approaches at SOLTI, a Spanish breast cancer cooperative group.

Graduating with an MD from the University of Barcelona in 2003, the doctor completed a medical oncology fellowship at Vall d'Hebron Institute of Oncology and postdoctoral research at the University of North Carolina.

Currently, the doctor heads the Translational Genomics and Targeted Therapeutics in Solid Tumors Group at IDIBAPS and is the President of SOLTI's Board of Directors. The doctor has co-founded Reveal Genomics and holds three patents.

With over 160 publications and an H-Index of 51, the doctor has been cited 13,479 times and has presented 95 communications internationally.

Dr. Abu Shamsiya Rami Nuamanovych is a specialist in general and laparoscopic surgery, oncology, and ultrasound diagnostics. He is a Candidate of Medical Sciences, an associate professor, and a doctor of the highest category. Dr. Nuamanovych is a member of the Ukrainian Association of Bariatric Surgeons and the World Organization of Bariatric Surgeons (IFSO).

He works as a WHO consultant on laparoscopic surgery. He is also President of the Association of Arab Doctors of Ukraine. Dr. Nuamanovych has performed thousands of surgeries, including hernia repairs, bariatric procedures, and cancer operations. His skills are recognized internationally. He speaks English and Arabic fluently.

The doctor completed specialization training in Radiation Oncology at Marmara University Faculty of Medicine from 2012 to 2016. Prior to this, the doctor completed an undergraduate degree in Medicine, taught in English, at the same institution from 2004 to 2011. The doctor has a strong foundation in medical education, beginning with high school education at Sixteen Numbered Shirvan School in Azerbaijan from 1998 to 2004.

Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including bone marrow transplantation, leukemia chemotherapy, and CAR T-cell therapy.

He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.

The doctor specializes in a comprehensive range of surgical treatments in urology, including all types of operations. They manage general medical services and provide expert assessments in complex clinical situations. The doctor is actively involved in patient care through polyclinic receptions and offers "second opinions" in challenging cases. They are also engaged in the organization and facilitation of master classes, workshops, and webinars.

Proficient in advanced techniques such as laser enucleation and vaporization of the prostate, laser dissection of bladder tumors, and various forms of lithotripsy, the doctor also performs complex procedures like radical nephrectomy, pyelolithotomy, and ureterolithotomy, among others.

The doctor completed an MBBS from MIMER, Pune, and an MS from GMC Panaji. Further training included a two-year fellowship in Surgical Oncology at Tata Medical Centre, Kolkata, focusing on Gastrointestinal Cancer. At Tata Medical Center, the doctor served as a Co-principal Investigator in multiple original research projects. Following this, the doctor worked as an Assistant Professor at the State Cancer Institute and Government Cancer Hospital, Aurangabad. With over 10 years of experience, the doctor has successfully performed more than 10,000 major surgeries and has published multiple National and International papers. Specializes in Minimal Invasive Cancer Surgeries.

The doctor completed an MD in Internal Medicine at Shyam Shah Medical College and held a Senior Residency in the same department. Following this, the doctor served as Registrar in Medical Oncology at Jawaharlal Nehru Cancer Hospital. The doctor completed DNB training in Medical Oncology at Indraprastha Apollo Hospital.

During the Senior Residency, the doctor lectured at the International Winter School of Oncology at AIIMS and presented research on Stomach Cancer at the Gastrointestinal Cancer Symposium by the American Society of Clinical Oncology. The doctor specializes in the molecular basis of cancer and targeted therapies.

The doctor is an MDS in Oral & Maxillofacial Surgery with 3 years of experience in Surgical Oncology at the HCG Manavata Cancer Centre in Nasik.

Specializes in oral cancer, focusing on organ preservation and functional rehabilitation. Has a strong interest in preventive oral hygiene and early diagnosis of oral cancers.

Proficient in major maxillofacial and head & neck surgeries and has completed fellowship training in Head & Neck Surgical Oncology from HCG Manavata Cancer Centre.

Active researcher with numerous publications.

The doctor is an experienced specialist in children's hematology oncology and a leading pediatric neurosurgeon in Spain. With over 30 years of practical experience, the doctor leads the Hematology & Pediatric Oncology Unit at HM Hospitales, focusing on severe hematological and cancer diseases in children and teens.

The doctor specializes in the diagnosis and treatment of hematological and cancer disorders, particularly in the erythrocyte, myeloid, and lymphoid systems. The doctor serves as a WHO and UNESCO consultant and is involved in teaching and research activities.

Educational credentials include degrees from the Universidad Complutense de Madrid, the University of Barcelona, and the University of Maryland.