Dr. Dibyendu Kumar Ray

Dr. Dibyendu Kumar Ray

Neurosurgeon

31+ years of experience

MBBS, MCh, MS, FRCS, Fellowship

Calcutta Medical Research Institute, Kolkata – India Calcutta Medical Research Institute, Kolkata – India

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About Dr. Dibyendu Kumar Ray

Dr. Dibyendu Kumar Ray is a leading neurosurgeon in Kolkata, India.. With an illustrious career spanning over 31 years, he is celebrated for his expertise in intricate brain and spinal surgeries. Dr. Ray holds prestigious fellowships from global institutions, including the Lars Leksell Fellowship in Radiosurgery (USA) and fellowships in Stereotactic and Spine Surgery from premier American universities. His profound knowledge in Stereotactic and Functional Neurosurgery makes him a pioneer in treating movement disorders and complex neurological conditions. Dr. Ray is not only a skilled surgeon but also an academic leader, actively involved in organising national conferences and contributing to neurosurgical literature. His multilingual proficiency in English, Bengali, Hindi, and Marwari ensures he connects deeply with patients from diverse backgrounds, fostering trust and providing compassionate care.

Qualifications & Credentials

Medical Degrees:
  • MBBS: RG Kar Medical College and Hospital, Kolkata.
  • MS (General Surgery): Sardar Patel Medical College / University of Rajasthan.
  • MCh (Neurosurgery): Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh.
Fellowships & Special Training:
  • FRCS (Neurosurgery): Royal College of Surgeons, England.
  • FRCS (Neurosurgery): Royal College of Surgeons, Edinburgh
  • Lars Leksell Fellowship in Radiosurgery: University of Virginia, USA.
  • Fellowship in Stereotactic and Functional Neurosurgery: Oregon Health & Science University (OHSU), USA.
  • Fellowship in Spine Surgery: University of Illinois College of Medicine at Peoria (UICOMP), USA.
  • Dip ESMINT: Diploma in European Society of Minimally Invasive Neurological Therapies.

Areas of Expertise

Major Cancer Types Treated:
  • Gliomas (Brain Tumours)
  • Pituitary Tumours
  • Spinal Cord Tumours
  • Brain Metastases
  • Temporal Bone Carcinoma
Sub-specialties:
  • Stereotactic and Functional Neurosurgery
  • Endovascular Neurosurgery (Aneurysms, AVMs)
  • Complex Spine Surgery
  • Gamma Knife Radiosurgery
  • Paediatric Neurosurgery (Hydrocephalus, Brain Abscess)
Advanced Procedures Performed:
  • Gamma Knife Radiosurgery for Tumours and Trigeminal Neuralgia
  • Deep Brain Stimulation (DBS) for Movement Disorders
  • Endovascular Coiling and Embolization
  • Microvascular Decompression
  • Complex Spinal Fusion and Deformity Correction

List of Disease and Treatment for which Dr. Dibendu Kr. Ray can be consulted

Professional Experience

Current & Past Hospital Affiliations:

Current Affiliation:

  • Head of Department - Neurosurgery, Manipal Hospitals, Broadway, Kolkata.

Past Affiliations:

  • Assistant Professor, Calcutta National Medical College.
  • Medical Officer & Clinical Tutor, Department of Neurosurgery, RG Kar Medical College.
  • Medical Officer & Clinical Tutor, Bangur Institute of Neurology, Kolkata.

Academic & Research Roles:

  • Organising Secretary, Annual Conference of the Neurological Surgeons' Society of India (2020).
  • Co-chair, Scientific Committee of the Annual Conference of the Neurological Society of India (2024).
  • Active researcher with multiple publications in high-impact journals like Journal of Neurosurgery and Neurosurgical Focus.

Key Achievements & Contributions:

  • Awarded 1st Certificate of Honours in Pharmacology and Community Medicine during MBBS.
  • Received a Scholarship in Surgery for academic excellence.
  • Recognised as a top neurosurgeon in India for introducing advanced stereotactic and functional neurosurgery techniques in Eastern India.

Awards & Recognitions

Recognitions & Honours:

  • Member, Neurological Society of India (NSI).
  • Member, Neurological Surgeons Society of India (NSSI).
  • Member, American Association of Neurological Surgeons (AANS).
  • Renowned for his work on Gamma Knife Radiosurgery, with papers cited extensively globally.

Research & Publications

Dr. Dibyendu Kumar Ray has authored significant research papers. Key publications include:

  • Gamma Knife radiosurgery for trigeminal neuralgia: The impact of magnetic resonance imaging-detected vascular impingement – Journal of Neurosurgery (2009)
  • Gamma Knife surgery for lymphocytic hypophysitis: Case report – Journal of Neurosurgery (2009)
  • Gamma Knife radiosurgery to the surgical cavity following resection of brain metastases – Journal of Neurosurgery (2009)
  • Brain abscess in children – Neurosurgical FOCUS (2008)
  • Lennart Heimer: Concepts of the ventral striatum and extended amygdala – Neurosurgical FOCUS (2008)

Patient Success Stories & Testimonials

Notable Cases Handled:

  • Dr. Ray successfully treated a patient with refractory Trigeminal Neuralgia using Gamma Knife Radiosurgery after multiple failed medication trials, providing complete pain relief.
  • He performed complex resection of a large brain metastasis followed by cavity radiosurgery, significantly extending the patient's survival and quality of life.

Patient Testimonials:

"I was diagnosed with a pituitary tumour and was losing my vision. Dr. Dibyendu Ray performed the surgery with such precision that my vision returned almost immediately. His calm and reassuring nature makes him the best neurosurgeon in Kolkata." – S. Banerjee, Kolkata

"My father had severe Parkinson's disease. Dr. Ray performed Deep Brain Stimulation (DBS) surgery. It felt like a miracle; his tremors reduced drastically. We are forever grateful to him and the Cancer Rounds team for their guidance." – A. Roy, Durgapur

"Dr. Ray treated my child for hydrocephalus. As a parent, I was terrified, but Dr. Ray explained everything in Bengali and made us feel safe. The surgery was successful, and my son is doing well now." – P. Das, Siliguri

Treatment Approach & Philosophy

Patient-Centred Care:
Dr. Ray believes in a holistic approach where effective communication fosters trust. Being fluent in multiple languages allows him to connect with patients personally, ensuring they understand their condition and treatment plan thoroughly.

Technology & Innovation:
With specialised training from the USA, Dr. Ray integrates Stereotactic Radiosurgery and Endovascular techniques into his practice. He advocates for minimally invasive options like Gamma Knife and coiling to treat complex brain disorders, ensuring better outcomes with reduced recovery time for Brain Tumour Treatment in India.

Treatment Costs

Dr. Dibyendu Kumar Ray specialises in advanced neurosurgical procedures. Below is an estimated cost table for treatments he frequently performs.

Treatment / Procedure

Estimated Cost (INR)

Estimated Cost (USD)

Gamma Knife Radiosurgery

₹3,50,000 - ₹5,50,000

$4,200 - $6,600

Craniotomy (Brain Tumour)

₹2,80,000 - ₹5,00,000

$3,400 - $6,000

Deep Brain Stimulation (DBS)

₹12,00,000 - ₹18,00,000

$14,500 - $21,600

Spine Surgery (Complex)

₹3,00,000 - ₹5,50,000

$3,600 - $6,600

Endovascular Coiling (Aneurysm)

₹6,00,000 - ₹10,00,000

$7,200 - $12,000

Pituitary Tumour Surgery

₹2,50,000 - ₹4,00,000

$3,000 - $4,800

Note: Costs are approximate and vary based on clinical complexity. For appointment booking and to get a personalised cost estimate, you can connect with the Cancer Rounds team.

International Patient Assistance

Language Support:
Dr. Ray is fluent in English, Bengali, Hindi, and Marwari. The Cancer Rounds team provides additional interpreter services for international patients speaking other languages.

Visa & Travel Assistance:
We assist with Medical Visa invitation letters, airport transfers, and hotel arrangements for patients travelling to Kolkata for Neurosurgery in India.

Pre-treatment Virtual Consultations:
International patients can book a video consultation with Dr. Dibyendu Kumar Ray via Cancer Rounds to review MRI scans and discuss surgical options before planning their trip.

Frequently Asked Questions

Dr. Dibyendu Kumar Ray is a leading neurosurgeon in Kolkata specialising in Stereotactic and Functional Neurosurgery, Endovascular Neurosurgery, and Complex Spine Surgery.

Yes, Dr. Ray has completed prestigious fellowships in the USA, including the Lars Leksell Fellowship in Radiosurgery at the University of Virginia and fellowships in Stereotactic and Spine Surgery at OHSU and UICOMP respectively.

Yes, he is a specialist in Gamma Knife Radiosurgery, a non-invasive treatment for brain tumours and functional disorders like Trigeminal Neuralgia.

This is a minimally invasive form of surgical intervention which makes use of a three-dimensional coordinate system to locate small targets inside the brain. Dr. Ray uses this for procedures like Deep Brain Stimulation and biopsy.

Dr. Ray currently serves as the Head of the Department of Neurosurgery at Manipal Hospitals, Broadway, Kolkata.

Yes, he has expertise in Paediatric Neurosurgery, treating conditions such as hydrocephalus, brain abscesses, and congenital spinal defects in children.

Dr. Ray has over 31+ years of experience in the medical field, with extensive training and practice in both India and the USA.

You can book an appointment with Dr. Ray by contacting the Cancer Rounds team, who will manage the scheduling and provide necessary assistance for your visit.

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