Dr. Dinesh Singh

Radiation Oncologist

Dr. Dinesh Singh

Director- Radiation Oncology

38+ years of experience

MBBS, MD (Radiotherapy), Fellowships
Action Cancer Hospital, Delhi - India

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    Areas of Expertise

    Dr. Dinesh Singh

    Major Cancer Types Treated:
    • Brain Tumours (Gliomas, GBM)
    • Breast Cancer
    • Thoracic Cancers (Lung Cancer)
    • Head & Neck Cancers (Larynx, Hypopharynx, Oral Cancer, Throat Cancer)
    • Gynaecological Cancers
    • Urogenital Cancers (Prostate Cancer, Testicular Cancer)
    • Colon Cancer
    • Liver Cancer
    • Blood Cancer (As part of multidisciplinary management)
    • Cancer Pain Management
    Sub-specialties:
    • Brain Tumours
    • Breast Cancer
    • Gynaecological Cancers
    • Head & Neck Cancers
    Advanced Procedures Performed:
    • Image Guided Radiotherapy (IGRT)
    • Intensity Modulated Radiotherapy (IMRT)
    • Stereotactic Radiotherapy (SRT) / Stereotactic Body Radiotherapy (SBRT) (including CyberKnife experience)
    • Conformal Radiotherapy (3D-CRT)
    • Brachytherapy (including High-Dose-Rate (HDR) Interstitial Brachytherapy, especially for GBM)
    • Experience with advanced linear accelerators like TrueBeam STx.

    Qualifications & Credentials

    Medical Degrees:
    • MBBS, University College of Medical Sciences (UCMS) & GTB Hospital, New Delhi, Delhi University (1986)
    • MD (Radiotherapy), Maulana Azad Medical College (MAMC), New Delhi, Delhi University (1991)
    Fellowships & Special Training:
    • Fellowship, Tata Memorial Hospital, Parel, Mumbai (1991-1992)
    • Fellowship/Training, Memorial Sloan Kettering Cancer Center (MSKCC), New York, USA (Visiting Fellow, 2007)
    • Training, Ohio State University, Columbus, Ohio, USA
    • Training, Stadt Kliniken Frankfurt University, Offenbach, Germany
    • Training, Long Beach Memorial Medical Centre (LBMMC), Long Beach California, USA
    • Training, University Texas Medical Branch (UTMB), Galveston, TX, USA
    • Training, Orange County CyberKnife Centre, CA, USA
    • Training, Roswell Park Cancer Institute, Buffalo, NY, USA (Visiting Fellow, 2006)

    Professional Experience

    Current & Past Hospital Affiliations:
    • Director Radiation Oncology, Action Cancer Hospital, Paschim Vihar, Delhi (Mar 2025 – Present)
    • Chairman Radiation Oncology, Andromeda Cancer Hospital, Kundli Sonepat (Jan 2024 – Mar 2025)
    • Medical Director and Radiation Oncologist, Valentis Cancer Hospital, Meerut (Nov 2022 – Mar 2025)
    • Senior Director, Radiation Oncology, Max Superspeciality Hospital, Vaishali, Ghaziabad (Apr 2016 – Nov 2022)
    • Trustee, Indian Anti Cancer Trust (Jan 2005 – Mar 2025)
    • Senior Consultant Radiation Oncology, Action Cancer Hospital, Paschim Vihar, Delhi (Jun 2012 – Apr 2016)
    • Director, Galaxy Oncology Associates Pvt Ltd. (Oct 2006 – Mar 2017)
    • Senior Consultant & Director, Radiation Oncology, Galaxy Cancer Institute at Pushpanjali Crosslay Hospital, Vaishali (Sep 2009 – Apr 2014)
    • Senior Consultant & Head, Radiation Oncology, Dharamshila Cancer Hospital & Research Centre, Delhi (Feb 1994 – Aug 2007)
    • Consultant (Visiting/Training), Memorial Sloan Kettering Cancer Centre, New York, USA
    • Consultant (Visiting/Training), Ohio State University, Columbus, Ohio, USA
    • Fellow, Dept of Radiation Oncology, Tata Memorial Hospital, Parel, Mumbai (1991-1992)
    Key Achievements & Contributions:
    • Pioneered interstitial HDR brachytherapy for recurrent Glioblastoma Multiforme (GBM) in India.
    • Played a pivotal role in establishing Radiation Oncology departments in several prestigious institutions in Delhi.
    • Founder Member of Indian Cooperative Oncology Network (ICON).
    • Founder Member of Delhi Neuro Oncology Society (DNOS).
    • Secretary, Men’s Health Society, India (Delhi branch).

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