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Top Oncologist Doctors Worldwide

Cancer diagnosis, treatment, and ongoing care across all tumor types.

Oncologist caring for a patient

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Credentials reviewed

Peer-rated

Hospital affiliations

Editorial

Independent ranking

Updated

Profiles maintained

Best for

Oncologist ConsultationDiagnosisSecond OpinionLong-term CarePreventive Checkups

Patients commonly visit for

  • Oncologist consultation
  • Second opinion
  • Routine follow-up
  • Diagnosis review

Procedures performed

  • Clinical Assessment

    Detailed history & examination

  • Diagnostic Workup

    Targeted investigations

  • Follow-up Care

    Structured long-term plan

Top-ranked Oncologists

20 / 20
1

Dr. Rajendra Badwe

Oncologist • Tata Memorial Hospital

Mumbai, India

5.0

Experience

40 years

Education

MS, FRCS

Rajendra Badwe is a leading oncologist practicing at Tata Memorial Hospital, with over 40 years of clinical experience.

290 peer reviews
2

Dr. Harit Chaturvedi

Oncologist • Max Super Speciality Hospital, Saket

Delhi, India

5.0

Experience

35 years

Education

MS (Surgical Oncology)

Harit Chaturvedi is a leading oncologist practicing at Max Super Speciality Hospital, Saket, with over 35 years of clinical experience.

290 peer reviews
3

Dr. B S Ajaikumar

Oncologist • HCG Cancer Centre

Bangalore, India

5.0

Experience

40 years

Education

MD (Radiation Oncology)

B S Ajaikumar is a leading oncologist practicing at HCG Cancer Centre, with over 40 years of clinical experience.

290 peer reviews
4

Dr. V Shanta

Oncologist • Adyar Cancer Institute

Chennai, India

5.0

Experience

60 years

Education

MD, FRCP

V Shanta is a leading oncologist practicing at Adyar Cancer Institute, with over 60 years of clinical experience.

290 peer reviews
5

Dr. Jalal Baig

Oncologist • Cancer Treatment Centers Of America

Chicago, United States

4.9

Experience

10 years

Education

6

Dr. Vishal Rao

Oncologist • HCG Cancer Centre

Bangalore, India

4.9

Experience

22 years

Education

MS (Surgical Oncology)

Vishal Rao is a leading oncologist practicing at HCG Cancer Centre, with over 22 years of clinical experience.

260 peer reviews
7

Dr. Omobolaji Akala

Oncologist • 630 W 168Th St

New York, United States

4.9

Experience

15 years

Education

8

Dr. Gerald Batist

Oncologist • Jewish General Hospital – Segal Cancer Centre

Montreal, Canada

4.9

Experience

40 years

Education

MD, McGill University

Full Professor at McGill and founding Director of the Segal Cancer Centre; pioneer in cancer pharmacology and personalized oncology.

9

Dr. Sudeep Gupta

Oncologist • Tata Memorial Hospital

Mumbai, India

4.9

Experience

30 years

Education

MD, DM (Medical Oncology)

Sudeep Gupta is a leading oncologist practicing at Tata Memorial Hospital, with over 30 years of clinical experience.

260 peer reviews
10

Dr. Donald Morris

Oncologist • Tom Baker Cancer Centre

Calgary, Canada

4.9

Experience

25 years

Education

MD, PhD, FRCPC, University of Calgary

Department Head of Oncology at UCalgary and Facility Medical Director of the Tom Baker Cancer Centre; specialist in gastrointestinal and experimental cancers.

11

Prof. Andrew Wardley

Oncologist • The Christie NHS Foundation Trust

Manchester, United Kingdom

4.9

Experience

30 years

Education

MBChB, MD, FRCP

Honorary consultant medical oncologist at The Christie; breast cancer specialist.

173 peer reviews
12

Dr. Lauren Antrim

Oncologist • 1500 Duarte Rd

Los Angeles, United States

4.9

Experience

7 years

Education

13

Dr. Kim Chi

Oncologist • BC Cancer – Vancouver Centre

Vancouver, Canada

4.9

Experience

25 years

Education

MD, University of Ottawa

Professor at UBC; Chief Medical Officer and VP of BC Cancer; Senior Research Scientist at Vancouver Prostate Centre; internationally recognized for genitourinary cancer research.

14

Prof. Charles Swanton

Oncologist • University College London Hospitals

London, United Kingdom

4.9

Experience

24 years

Education

BSc, MBPhD, FRCP, FMedSci, FRS

Chief clinician at Cancer Research UK and consultant medical oncologist at UCLH.

167 peer reviews
15

Dr. Kerin Adelson

Oncologist • 1515 Holcombe Blvd

Houston, United States

4.9

Experience

19 years

Education

16

Prof. Pam Kearns

Oncologist • Birmingham Children's Hospital

Birmingham, United Kingdom

4.9

Experience

28 years

Education

MD, FRCPCH

Director of the Cancer Research UK Clinical Trials Unit at the University of Birmingham.

171 peer reviews
17

Dr. Amit Oza

Oncologist • Princess Margaret Cancer Centre (UHN)

Toronto, Canada

4.9

Experience

30 years

Education

MD, FRCPC, University of Toronto

Head of the Division of Medical Oncology & Hematology and Medical Director at Princess Margaret; internationally recognized leader in gynecologic oncology and early-phase trials.

60 peer reviews
18

Prof. David Cameron

Oncologist • Western General Hospital, Edinburgh

Edinburgh, United Kingdom

4.9

Experience

30 years

Education

MA, MBBS, MSc, MD, FRCP, FRCPE

Professor of oncology at the University of Edinburgh; consultant medical oncologist at the WGH.

173 peer reviews
19

Dr. Vinod Raina

Oncologist • Fortis Memorial Research Institute

Delhi, India

4.9

Experience

40 years

Education

MD, DM (Medical Oncology)

Vinod Raina is a leading oncologist practicing at Fortis Memorial Research Institute, with over 40 years of clinical experience.

260 peer reviews
20

Dr. T G Sagar

Oncologist • Adyar Cancer Institute

Chennai, India

4.9

Experience

35 years

Education

MD (Radiation Oncology)

T G Sagar is a leading oncologist practicing at Adyar Cancer Institute, with over 35 years of clinical experience.

260 peer reviews

Trusted sources

Oncologists referenced from

Doctor information is compiled from public sources including leading hospitals and medical directories.

Mayo Clinic
Cleveland Clinic
Johns Hopkins Medicine
NHS
Apollo Hospitals
Fortis Healthcare
AIIMS
Medanta
Massachusetts General
Stanford Health Care
Mount Sinai
Royal Melbourne Hospital
Doctor consulting a patient in clinic

What good care looks like

First visit: what to expect from a oncologist

  • A detailed history — not just a prescription.
  • Honest discussion of options, costs and realistic outcomes.
  • A clear next-step plan you can actually follow.
Talk to our care team

Frequently asked questions

Do you accept second-opinion patients?+

Yes — bringing prior reports and prescriptions makes the consultation more productive.

How long is a typical consultation?+

First visits run 20–30 minutes; follow-ups are usually 10–15 minutes.

Editorial standards

How we rank Oncologists

Every listing is checked against our editorial methodology — board certification, hospital affiliation, peer reviews, treatment volume and clinical experience. See our methodology.