Dr Ashwathy Susan Mathew

Dr Ashwathy Susan Mathew

Radiation Oncologist

17+ years of experience

MBBS, MD, DNB, Fellowship

Apollo Proton Cancer Centre, Chennai – India Apollo Proton Cancer Centre, Chennai – India

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About Dr Ashwathy Susan Mathew

Dr. Ashwathy Susan Mathew is a highly skilled Radiation Oncologist currently practicing in Australia. With advanced expertise in proton therapy, stereotactic radiotherapy, IMRT, IGRT etc, she has gained extensive experience in managing complex gastrointestinal cancers, liver tumors, lung cancer, breast cancer and other malignancies. Dr. Mathew is recognised for her precision-driven radiation panning and evidence-based cancer care. With over two decades of experience and strong reputation in multidisciplinary cancer management, Dr. Ashwathy Susan Mathew is regarded as a one of the most trusted specialists for patients seeking advanced radiation therapy, proton-beam treatment and stereotactic cancer care.

OPD Schedule Of Dr Ashwathy Susan Mathew

Consultation Fees Rs. N/A /-
Apollo Proton Cancer Centre, Chennai
MON 09:00 AM - 05:30 PM
TUE 09:00 AM - 05:30 PM
WED 09:00 AM - 05:30 PM
THU 09:00 AM - 05:30 PM
FRI 09:00 AM - 05:30 PM
SAT 09:00 AM - 05:30 PM
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Qualifications & Credentials

Medical Degrees: 
  • MBBS - Government Medical College, Trivandrum (2002 - 2005)
  • MD (Radiation Oncology) - Tata Memorial Centre (2010 - 2013)
  • DNB (Radiation Oncology) - Tata Memorial Centre (2014)
Fellowship and Special Training:
  • Fellowship of the Royal Australian and New Zealand College of Radiologists (2025)
  • Hospital Research Foundation Bragg Fellow, Australian Bragg Centre for Proton Therapy & Research (2023)
  • Clinical Fellowship in GI & Lung SBRT at Princess Margaret Cancer Centre, Toronto, Canada (2018)

Areas of Expertise

Conditions Treated: 
  • Breast Cancer
  • Gynecological Cancers
  • Prostate Cancer
  • Lung Cancer
  • Genitourinary Malignancies
  • Central Nervous System Tumors
  • Gastrointestinal Malignancies
  • Abdominal / Pelvic Tumors
Sub-Specialities: 
  • Radiation Oncology
  • Management of Solid Tumors (GI, thoracic, CNS, breast, GU, pelvic tumours)
  • High-Precision Radiation Oncology
    • SBRT (Stereotactic Body Radiation Therapy)
    • SRS (Stereotactic Radiosurgery)
    • IGRT (Image-Guided Radiation Therapy)
    • Proton Therapy
Advanced Procedures: 
  • External Beam Radiation Therapy (EBRT)
  • Intensity-Modulated Radiation Therapy (IMRT)
  • Image-Guided Radiation Therapy (IGRT)
  • Brachytherapy (Internal Radiation Therapy)
  • Stereotactic Radiosurgery (SRS)
  • Stereotactic Radio Therapy (SRT)
  • Stereotactic Body Radiation Therapy (SBRT)
  • Proton Therapy
  • Cranial Cyber-Knife Radiosurgery

Professional Experience

Current Affiliation: 

  • Radiation Oncologist, Barwon Health (May 2025 - Present)

Past Affiliations: 

  • Senior Registrar, Royal Adelaide Hospital (Jan 2024 - Apr 2025)
  • Consultant, Radiation Oncologist, Apollo Proton Cancer Care, Chennai (Sep 2019 - Sep 2022) 
  • Senior Resident, Tata Memorial Centre (May 2017 - Aug 2024)
  • Senior Resident, Tata Memorial Hospital (Aug 2013 - Dec 2013)
  • Junior Resident, Tata Memorial Center (May 2010 - Apr 2013)

Awards and Recognitions

National and International Awards: 

  • ‘Parvati Devi Gold Medal’ for Best Paper at the 34th Annual Conference of the Association of Radiation Oncologists of India (AROICON).

Recognition and Honours: 

  • Member of the American Society for Radiation Oncology (ASTRO)
  • Member of the European Society for Radiotherapy & Oncology (ESTRO)
  • Member of the Indian Society of Radiation Oncology (ISRO)

Research and Publications:

Published Papers in Medical Journals: 

Dr. Ashwathy Susan Mathew has contributed to many national and international medical journals through her publications. Few of them are as followed: 

  • Mathew AS, et al. Long-term outcomes of stereotactic body radiation therapy for hepatocellular carcinoma without macrovascular invasion. European Journal of Cancer. 2020. 
  • Mathew AS, et al. Current understanding of ablative radiation therapy in hepatocellular carcinoma. Journal of Hepatocellular Carcinoma. 2021. 
  • Mathew AS, et al. Cross-sectional national survey of practice patterns in radiotherapy for rectal cancer: A snapshot of India. JCO Global Oncology. 2024. 
  • Mathew AS, et al. Protocol for a phase III randomized trial of chemoradiation and systemic chemotherapy versus systemic chemotherapy alone in unresectable non-metastatic cholangiocarcinoma. International Journal of Clinical Trials. 
  • Mathew AS, et al. Transitioning from 3D-CRT to volumetric-modulated arc therapy (VMAT)–based IMRT in cancer treatment. Cancer Research, Statistics, and Treatment. 2021. 

Patient Success Stories & Testimonials

Patient Testimonials: 

  • “As an international patient coming for liver cancer treatment, I was anxious about side-effects. However, under Dr. Mathew’s proton-beam therapy, not only the tumor shrinked, but recovery was also smooth and faster.” — A. David
  • “After my father was diagnosed with pancreatic cancer metastasis, Dr. Ashwathy planned SBRT. The radiation was targeted only to the tumor avoiding any damage to nearby organs. We are grateful for her expert radiation oncology care.” — S. Seth
  • “When my mother’s lung cancer recurred post-chemotherapy, Dr. Mathew suggested SBRT combined with IGRT. We saw improvement within months, undoubtedly she is one of the top Radiation Oncologists in India.” — M. Sagar

Treatment Approach & Philosophy

Targeted Radiation Therapy: Dr. Ashwathy Susan Mathew delivers highly targeted treatments using IMRT, IGRT, SBRT, SRS etc, focusing on accurate dose delivery and organ preservation. She plans personalized treatment plans with minimal toxicity and maximum tumor control.

Evidence-Integrated Oncology Care: Dr. Mathew incorporates research-backed radiation procedures. She emphasizes on guideline-based, data-driven decisions, modern radiotherapy techniques and consistent monitoring to provide safe, effective care for complex GI, pelvic, thoracic cancers.

Treatment Costs

The treatment cost can vary on the basis of complexity of the case, specific treatment procedure and hospital stay duration. Below mentioned are approximate costs of some of the key procedures performed by Dr. Ashwathy Susan Mathew

S.No.

Treatment / Procedure

Estimated Cost (INR)

Estimated Cost (USD)

1

SRS

₹1,00,000 – ₹6,40,000

$1,340 – $7,830

2

IGRT

₹2,00,000 – ₹4,00,000

$3,350 – $6,710

3

Brachytherapy

₹1,20,000 – ₹3,50,000

$1,500 – $3,600

4

EBRT

₹1,50,000 – ₹2,50,000

$2,000 – $3,200

For scheduling an appointment or to know consultation fees, you can connect with the Cancer Rounds Team

International Patient Assistance

The Cancer Rounds team is committed to assist international patients seeking treatment with Dr. Ashwathy Susan Mathew. Our services include: 

Stay Support – Help in securing suitable stay options for patients and their families close to the hospital.

Travel Facilitation – Complete assistance with visas, flight bookings, and on-ground transport arrangements.

Communication Assistance – Access to multilingual translators to ensure smooth and effective communication during medical visits.

Virtual Consults – Scheduling of virtual medical evaluations and treatment discussions prior to the patient’s arrival.

Patient Care Coordinator – A dedicated Cancer Rounds representative to manage coordination, appointments, and logistical requirements. 

Frequently Asked Questions

Dr. Ashwathy Susan Mathew is a renowned Radiation Oncologist specializing in advanced radiation therapies such as Proton Therapy, SBRT, SRS, IMRT, and IGRT. She is known for her expertise in treating gastrointestinal, liver, lung, breast, gynecologic and CNS cancers.

Dr. Ashwathy Susan Mathew specializes in GI cancers, lung cancer, gynecologic malignancies, breast cancer, and other complex solid tumors requiring targeted radiation therapy.

Dr. Mathew performs a variety of advanced procedures such as Stereotactic Body Radiation Therapy (SBRT), Stereotactic Radiosurgery (SRS), Proton Therapy, IMRT, IGRT, EBRT and Brachytherapy, ensuring precision-based cancer treatment.

Yes, Dr. Ashwathy has extensive experience in proton-beam therapy, making her a trusted specialist for tumors requiring high-precise radiation.

Dr. Mathew has over a decade of clinical experience in radiation oncology.

She has trained and worked across leading cancer centers, including the Apollo Proton Cancer Centre in India, and is currently practicing in Australia, where she continues to deliver advanced, cutting-edge research-backed radiation care.

Yes, international patients can consult Dr. Ashwathy Susan Mathew through Cancer Rounds (CRR).

Cancer Rounds offers end-to-end assistance including case review, appointment booking, treatment cost guidance, visa and travel support, accommodation aid, interpreter services, and full logistical coordination.

Dr. Ashwathy’s reputation comes from her precision-driven radiation planning, advanced proficiency in SBRT, SRS and Proton Therapy, and her evidence-based approach in treating complex cancers.

Appointments with Dr. Ashwathy Susan Mathew can be arranged through the Cancer Rounds Team.

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