9 radiation oncology specialists are listed in our India network in Chennai, at 4 hospitals, with 8–33 years of listed experience among them.
This page lists the radiation oncology doctors in our directory for Chennai, India, drawn from hospitals including Gleneagles Global Hospital, Dr. Rela Institute and Medical Centre, Apollo Hospitals, Greams Road, Apollo First Med Hospitals, Kilpauk. Each listing links through to the doctor's full profile page.
Why Choose Chennai, India for Radiation Oncology?
Chennai, India is one of GAF Healthcare's listed hubs for radiation oncology, with 9 specialists across 4 hospitals in our directory, offering 8–33 years of listed experience among them.
Of the hospitals listed here, 3 hold JCI (Joint Commission International) accreditation, and 4 hold NABH accreditation — recognised international and national benchmarks for hospital patient-safety and clinical-quality standards. Published patient guides on this site put typical India treatment costs at roughly 60–80% less than equivalent care in the US, UK or Gulf.
As with every doctor and hospital you find through GAF Healthcare, choosing Chennai, India comes with our own coordination support: a single itemised quote, visa and travel arrangements, and a language-speaking companion where needed — see "How GAF Healthcare assists" below.
Ask us about radiation oncology in Chennai, India
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FeaturedDr. Sapna Nangia
- 33+ years of experience in Radiation Oncologist
- Senior Consultant — Radiation Oncology, Apollo Proton Cancer Centre, Chennai, India
- Consultant, Apollo Hospitals, Delhi
- Intensity-Modulated Radiation Therapy (IMRT)
- 3D Conformal Radiotherapy
- Image-Guided Radiation Therapy (IGRT)
- Stereotactic Body Radiation Therapy (SBRT)
- Stereotactic Radiosurgery (SRS)
Dr. Rakesh Jalali
- 30+ years of experience in Radiation Oncologist
- Senior Consultant — Radiation Oncology, Apollo Proton Cancer Centre, Chennai, India — Present
- Consultant Radiation Oncologist, Tata Memorial Hospital, Mumbai, India — Prior to Apollo appointment
- Proton Beam Therapy
- Intensity-Modulated Radiation Therapy (IMRT)
- Stereotactic Radiosurgery (SRS)
- Stereotactic Body Radiation Therapy (SBRT)
- Image-Guided Radiation Therapy (IGRT)
Dr. V. Balasundaram
- 30+ years of experience in Radiation Oncologist
- Head of Department & Clinical Lead, Radiation Oncology, Dr. Rela Institute & Medical Centre, Chennai — Present
- Department Head & Full-Time Consultant, Radiation Oncology, V.S. Hospital, Chetpet, Chennai — October 2005 to April 2025
- Image-Guided Intensity-Modulated Radiation Therapy (IMRT)
- External Beam Radiotherapy (EBRT)
- Intraluminal Brachytherapy
- Stereotactic Body Radiation Therapy (SBRT)
- Stereotactic Radiosurgery (SRS)
Dr. M. Janarthinakani
- 25+ years of experience in Radiation Oncologist
- Senior Consultant, Radiation Oncology — Rela Hospital, Chennai
- Consultant and Educator — Cancer Institute (WIA), Adyar, Chennai
- Image-Guided Radiation Therapy (IMRT)
- Stereotactic Body Radiation Therapy (SBRT)
- Brachytherapy for Cervical and Rectal Cancers
- 3D Conformal Radiation Therapy
- Intensity-Modulated Radiation Therapy Planning
Dr. Srinivas Chilukuri
- 22+ years of experience in Radiation Oncologist
- Senior Consultant, Radiation Oncology — Apollo Proton Cancer Centre, Chennai, Present
- Consultant Medical Affairs — Apollo Proton Cancer Centre, Chennai
- Proton Beam Therapy
- Stereotactic Radiosurgery (SRS)
- Stereotactic Body Radiation Therapy (SBRT)
- Intensity-Modulated Radiation Therapy (IMRT)
- Image-Guided Radiation Therapy (IGRT)
Dr. K. R. Prasanna Kumar
- 18+ years of experience in Radiation Oncologist
- Senior Consultant and Visiting Radiation Oncologist, Rela Hospital Cancer Centre, Chennai — Present
- Consultant Radiation Oncologist, Apollo Speciality Hospital, Chennai
- Image-Guided Radiation Therapy (IMRT)
- CyberKnife Radiosurgery
- Gamma Knife Radiosurgery
- Stereotactic Radiosurgery (SRS)
- Stereotactic Body Radiation Therapy (SBRT)
Dr. Christopher John
- 14+ years of experience in Radiation Oncologist
- Visiting Consultant, Radiation Oncology — Rela Hospital, Chennai, India — Present
- Consultant Radiation Oncologist — Rela Hospital Cancer Centre, Chennai, India
- Stereotactic Radiosurgery (SRS) for brain tumours
- Image-Guided Intensity-Modulated Radiation Therapy (IMRT)
- Stereotactic Body Radiation Therapy (SBRT)
- CyberKnife radiosurgery
- Intracavitary and interstitial brachytherapy
Dr. S. Usha
- 14+ years of experience in Radiation Oncologist
- Radiation Oncologist, Cancer Centre, Rela Institute & Medical Centre, Chennai — Present
- Over 14 years of experience in radiotherapy and chemotherapy for solid tumours
- Image-Guided Radiation Therapy (IMRT)
- Brachytherapy and Intracavitary Application (ICA)
- Stereotactic Body Radiation Therapy (SBRT)
- Total Body Irradiation (TBI)
- Vaginal Cylindrical Application (VCA)
Dr. Azmi Saundarya K
- 8+ years of experience in Radiation Oncologist
- Clinical Lead & Consultant, Radiation Oncology — Gleneagles HealthCity Chennai, Present
- Radiation Oncologist — Rela Hospitals, Chennai
- 3D Conformal Radiotherapy
- Intensity-Modulated Radiation Therapy (IMRT)
- Image-Guided Radiation Therapy (IGRT)
- Stereotactic Radiosurgery (SRS)
- Stereotactic Body Radiation Therapy (SBRT)
How we selected these doctors
A doctor appears on this page when their listed specialty maps to Radiation Oncology in Chennai, India. Doctors are not ranked by a proprietary "best" score — the order follows years of listed experience (highest first), the same field shown on each doctor's profile. This page does not display aggregate star ratings.
Leading Hospitals for Radiation Oncology in Chennai, India
🇮🇳 Chennai, India
🇮🇳 Chennai, India
🇮🇳 Chennai, India
🇮🇳 Kilpauk, Chennai, IndiaHow to Select the Best Doctor for Radiation Oncology in Chennai, India?
Choosing the right radiation oncology surgeon is one of the most important decisions in your treatment journey. A few factors are worth weighing before you decide:
Experience and Expertise
Look for a surgeon with a strong track record in radiation oncology specifically, not just general surgery. Years of listed experience — shown on every profile below — is a reasonable starting point.
Specialization
Radiation Oncology covers a wide range of procedures, from routine endoscopic work to complex organ transplants. Check that the doctor's listed procedures (see "Procedures in radiation oncology" below) actually match the treatment you need.
Hospital Affiliation
The hospital matters as much as the surgeon. Look for an accredited centre with a dedicated gastroenterology/HPB (hepatopancreatobiliary) unit, ICU support, and experience treating international patients — see "Hospitals where these doctors operate" below.
Communication and Second Opinions
You should be able to get clear answers about your case before committing to travel. Ask for a written second opinion on your reports, in a language you're comfortable in, before you decide.
Transparent Costs
Ask for an itemised, all-inclusive estimate — surgeon's fee, hospital charges and stay — before you travel, so there are no surprises once treatment begins. Our cost calculator (linked below) gives a starting estimate.
How GAF Healthcare Assists in Choosing the Best Doctor for Radiation Oncology in Chennai, India
Discover the Top Doctors for Radiation Oncology in Chennai, India
This page lists 9 radiation oncology specialists across 4 hospitals in Chennai, India, so you can compare experience and hospital affiliation in one place.
Support When You Need It Most
Share your medical reports with us on WhatsApp or email. Our medical team reviews them and comes back with a recommended doctor, hospital and treatment plan for your case.
Transparent, All-Inclusive Costs
We provide a single, itemised quote covering the doctor's fee, hospital charges and stay — no hidden fees, and there's no charge for requesting an estimate. Use our cost calculator alongside this page for a first estimate.
Visa, Travel and Stay Coordination
Once you choose a doctor, we help arrange the medical visa invitation letter, hotel or serviced-apartment booking near the hospital, airport pickup and transport to your appointments.
On-the-Ground and Language Support
A dedicated, language-speaking companion can accompany you to appointments, and our team stays in touch after you return home to check on your recovery.
Curious what treatment might cost for your case? Use our cost calculator for a personalized estimate.
Patient Success Story
Frequently asked questions about Radiation Oncology in Chennai, India
How many radiation oncology doctors are listed in Chennai, India?
How do you choose which radiation oncology doctors to list?
How much does radiation oncology treatment cost in Chennai, India?
Are there radiation oncology doctors listed in other India cities?
Which hospitals in Chennai, India are best for radiation oncology?
Contact us to report an inaccuracy on this page.