Dr. Rishan T. S
Consultant – Radiation Oncology
Radiation Oncology
MBBS, MD (Radiation Oncology)
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Iswarya Hospital, OMR Chennai
110, Rajiv Gandhi Salai, OMR Kottivakkam, Chennai – 600041
⏰ 24×7 Emergency Available
Dr. Rishan T. S is a Consultant – Radiation Oncology at Iswarya Hospital, OMR Chennai, with 12+ Years of experience in Radiation Oncology. Areas of focus include Advanced Radiation Techniques, Stereotactic Radiotherapy (SRT / SRS / SBRT / SABR), Volumetric Modulated Arc Therapy (VMAT).
About Dr. Rishan T. S
Dr. Rishan T. S is a Senior Consultant Radiation Oncologist at Iswarya Cancer Centre, Iswarya Hospital, OMR, Chennai, with over 12+ years of experience in precision radiation oncology. He specializes in advanced radiotherapy techniques including SRT, SBRT, IMRT, IGRT, and VMAT delivered through modern linear accelerator–based platforms. His clinical practice focuses on high-precision, image-guided, and motion-managed radiotherapy aimed at maximizing tumour control while minimizing damage to surrounding healthy organs. Dr. Rishan has extensive expertise in treating complex cancers and selected benign tumours using modern radiotherapy approaches such as stereotactic treatments, adaptive planning, and motion management technologies. He has trained and worked at leading cancer institutions including Cancer Institute (WIA), Apollo Proton Cancer Centre, and Gleneagles Health City, and is actively involved in clinical research, academic teaching, and multidisciplinary cancer care.
Areas of Expertise
Qualifications
Memberships
- 1AROI – Association of Radiation Oncologists of India
- 2ICRO – Indian College of Radiation Oncology
- 3ISO – Indian Society of Oncology
- 4IBSCON – Indian Brachytherapy Society
- 5IMSOS – Indian Musculoskeletal Oncology Society
- 6ISNO – Indian Society of Neuro-Oncology
Publications & Research
- 1Author of multiple peer-reviewed publications in national and international oncology journals
- 2Contributor to textbook chapters in radiation oncology
- 3Peer reviewer for leading international oncology journals
- 4Presented research at national oncology conferences and academic forums
- 5Active participant in clinical research and evidence-based oncology practice
Key Contributions
- Expertise in precision radiotherapy using VMAT, IMRT, IGRT and stereotactic techniques
- Experience in motion-managed thoracic and breast radiotherapy using DIBH and ABC
- Involved in advanced stereotactic treatments for brain metastases and extracranial lesions
- Experienced in complex multidisciplinary oncology care planning
- Academic faculty and speaker at national oncology meetings including AROI, YROC and IMSOS
Advanced Training & Fellowships
- 1Advanced training in Image-Guided Proton Beam Therapy (Pencil Beam Scanning) – Apollo Proton Cancer Centre
- 2Specialized expertise in modern radiation techniques including IMRT, IGRT, VMAT, SBRT, and Brachytherapy
- 3Training in Motion Management techniques for precision radiation delivery
- 4Certification in Essentials of Palliative Care
- 5Academic and clinical training experience at Cancer Institute (WIA)
Every patient deserves precise, high-quality, and compassionate radiation care. My mission is to combine modern technology with personalized treatment to ensure the best outcomes
— Dr. Rishan T. S
Frequently Asked Questions about Dr. Rishan T. S
What does Dr. Rishan T. S treat?
Dr. Rishan T. S is a Consultant – Radiation Oncology at Iswarya Hospital OMR, Chennai, focusing on advanced radiation techniques; stereotactic radiotherapy (srt / srs / sbrt / sabr); volumetric modulated arc therapy (vmat); intensity modulated radiotherapy (imrt). Ask the care team whether this doctor is suitable for your concern before booking.
How experienced is Dr. Rishan T. S?
Dr. Rishan T. S has 12+ Years of experience in Radiation Oncology. Highlights include: Expertise in precision radiotherapy using VMAT, IMRT, IGRT and stereotactic techniques; Experience in motion-managed thoracic and breast radiotherapy using DIBH and ABC; Involved in advanced stereotactic treatments for brain metastases and extracranial lesions.
How do I book an appointment with Dr. Rishan T. S?
You can book an appointment with Dr. Rishan T. S at Iswarya Hospital OMR Chennai by calling 044 2025 2025 or booking online at https://www.iswarya.com/appointments. The care team will confirm the doctor’s availability and whether an in-person or remote visit is suitable.
What are Dr. Rishan T. S's qualifications?
Dr. Rishan T. S holds the following qualifications: MBBS, MD (Radiation Oncology).
Where does Dr. Rishan T. S consult in Chennai?
Dr. Rishan T. S consults at Iswarya Hospital, 110 Rajiv Gandhi Salai (OMR), Kottivakkam, Chennai – 600041. Easily accessible from Thiruvanmiyur, Sholinganallur, Adyar, Velachery, Pallikaranai, Perungudi & ECR.
Does Dr. Rishan T. S accept cashless insurance?
Coverage depends on your policy, service and insurer approval. Ask the insurance desk whether your consultation or treatment with Dr. Rishan T. S is covered before your visit.
Conditions & Treatments in Oncology / Cancer Centre
Learn about the conditions and procedures handled by our Oncology / Cancer Centre team at Iswarya Hospital, OMR Chennai.
Department
Oncology / Cancer Centre Department →Learn about our Oncology / Cancer Centre centre, treatments offered, and other specialists.
Plan your first visit
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- Bring previous prescriptions, relevant test reports or scan images, a medication list and photo ID.
- If you plan to use insurance, bring your policy details. OPD, tests and admission benefits depend on your individual plan and approval.
- Your first consultation determines which tests or treatments are needed; not everyone needs every test listed on this page.
Appointments are requests until confirmed. In a medical emergency, call 044 2025 2025 or go to the nearest emergency department.