Dr. Abhaya Kumar

Dr. Abhaya Kumar

Neurosurgeon, Spine Surgeon

20+ years of experience

MBBS, MS, DNB, Fellowship, FRCS

Kokilaben Dhirubhai Ambani Hospital, Mumbai – India Kokilaben Dhirubhai Ambani Hospital, Mumbai – India

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About Dr. Abhaya Kumar

Dr. Abhaya Kumar is a distinguished and top neurosurgeon in India. With over two decades of experience, he is one of the few specialists globally with dual expertise in complex Brain and Spine surgeries. Dr. Kumar has successfully operated on over 8,000 cases, comprising 5,500 brain surgeries and 3,500 spine procedures. He is a pioneer in Minimally Invasive Spine Surgery in India, having performed over 2,500 such procedures with a remarkable 96% success rate. A Fellow of the Royal College of Surgeons (FRCS) in both General Surgery and Neurosurgery from the UK, Dr. Kumar combines international protocols with cutting-edge technology like the O-arm and Neuro-navigation to deliver superior patient outcomes.

OPD Schedule Of Dr. Abhaya Kumar

Consultation Fees Rs. 3000 /-
Kokilaben Dhirubhai Ambani Hospital, Mumbai
MON 09:00 AM - 08:00 PM
TUE 09:00 AM - 08:00 PM
WED 09:00 AM - 08:00 PM
THU 09:00 AM - 08:00 PM
FRI 09:00 AM - 08:00 PM
SAT 09:00 AM - 08:00 PM
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Qualifications & Credentials

Medical Degrees
  • MBBS – Bangalore University, India (1991) – Gold Medallist in ENT
  • MS (General Surgery) – University of Goa, India (1997) – Gold Medallist
  • DNB (General Surgery) – National Board of Examinations, New Delhi (1997)
Fellowships & Special Training
  • FRCS (General Surgery) – Royal College of Surgeons of Edinburgh, UK (1998)
  • FRCS (Neurosurgery) – Intercollegiate Specialty Board in Neurosurgery, UK (2006)
  • Fellowship in Minimally Invasive Spine Surgery – United Kingdom
  • Fellowship in Stereotactic Radiosurgery – United Kingdom

Areas of Expertise

Major Cancer Types Treated
  • Brain Tumours
  • Gliomas
  • Meningiomas
  • Pituitary Adenomas
  • Acoustic Neuromas
  • Intraventricular Tumours
  • Intradural Spinal Cord Tumours
  • Extradural Spinal Cord Tumours
  • Paediatric Brain Tumours
Sub-specialties
  • Minimally Invasive Spine Surgery (MISS)
  • Stereotactic Radiosurgery
  • Functional Neurosurgery (Trigeminal Neuralgia, Epilepsy)
  • Cerebrovascular Surgery (Stroke, Aneurysms)
  • Paediatric Neurosurgery
Advanced Procedures Performed
  • Minimally Invasive Spine Procedures: Microdiscectomy, TLIF, Vertebroplasty/Kyphoplasty.
  • Awake Craniotomy (Over 500 cases performed).
  • Deep Brain Stimulation (DBS) for Parkinson’s Disease.
  • Trigeminal Neuralgia Treatments: Microvascular Decompression (MVD), Radiofrequency Ablation (RFA), Balloon Compression.
  • Epilepsy Surgery: Vagal Nerve Stimulation, Lobectomies.
  • Endoscopic Brain Surgery for Hydrocephalus and Colloid Cysts.

Professional Experience

Current & Past Hospital Affiliations

Current Affiliation: 

  • Head - Neurosurgery and Consultant - Minimally Invasive Spine Surgery, Kokilaben Dhirubhai Ambani Hospital, Mumbai.

Past Affiliation: 

  • Neurosurgical Trainee and Fellow, Southern General Hospital, Glasgow, United Kingdom.

Academic & Research Roles

  • Part of the research team involved in the STICH Trial at Newcastle General Hospital, UK (published in Stroke journal).
  • Active contributor to neurosurgical literature with dissertation research on Ureteric Calculi published in Goa University Newsletter.

Key Achievements & Contributions

  • Successfully treated over 300 cases of Craniovertebral Junction anomalies.
  • Maintains a success rate of 98% in treating Refractory Trigeminal Neuralgia (over 500 cases).
  • Achieved a 96% success rate in Minimally Invasive Spine Surgeries with a conversion rate to open surgery of less than 2%.
  • Performed over 500 Awake Neurosurgeries, a highly specialised technique for eloquent brain areas.

Awards & Recognitions

National & International Awards

  • Gold Medallist in MS (General Surgery).
  • Gold Medallist in ENT during MBBS.
  • Best Neurosurgical Trainee Award – Southern General Hospital, Glasgow, UK.

Recognitions & Honors

  • Recognised for establishing one of the few centres in Mumbai offering full-fledged Minimally Invasive Spine Surgery using Tubular retractors and O-arm.
  • Leader of the only unit in Mumbai providing the entire spectrum of Trigeminal Neuralgia treatments (MVD, RFA, Stereotactic Radiosurgery).

Membership

  • Walter E Dandy Neurosurgical Society, USA
  • Congress of Neurological Surgeons, USA
  • Neurological Society of India (NSI)
  • World Federation of Neurosurgical Societies (WFNS)
  • North American Spine Society (NASS), USA
  • Association of Spine Surgeons of India (ASSI)
  • Minimally Invasive Spine Society of Bharat
  • Bombay Neurosciences Association (BNA)

Research & Publications

Published Papers in Medical Journals

  • Spinal Cord Stimulation for the Treatment of Refractory Unilateral Limb Pain Syndromes – Stereotactic and Functional Neurosurgery (2003).
  • Vagal Nerve stimulation for medically intractable epilepsy: Dundee experience with 17 patients – British Journal of Neurosurgery (2003).
  • Simultaneous living donor liver transplant with sleeve gastrectomy for metabolic syndrome and NASH-related ESLD – Indian Journal of Gastroenterology.
  • Treatment of Elizabethkingia meningoseptica Neonatal Meningitis with Combination Systemic and Intraventricular Therapy – The Indian Journal of Pediatrics.
  • Neuroschistosomiasis: An Unusual Intracranial Space Occupying Lesion – Indian Pediatrics.
  • Dosimetric Comparison of 6 MV flattening filter free and 6 MV stereotactic Radiosurgery beam using 4 mm conical collimator for Trigeminal Neuralgia Radiosurgery – Journal of Radiation Protection and Research.
  • Successful treatment of C. auris shunt infection with intraventricular caspofungin.

Patient Success Stories & Testimonials

Notable Cases Handled
Dr. Abhaya Kumar managed a complex case of an 87-year-old woman suffering from Trigeminal Neuralgia for 10 years. Due to her advanced age, open surgery was high-risk. Dr. Kumar performed a Percutaneous Balloon Compression, a day-care procedure under mild sedation. The patient experienced immediate pain relief with a 90% success probability, avoiding the risks of major surgery.

Patient Testimonials

"I had been suffering from severe back pain for 8 years. Dr. Abhaya Kumar diagnosed a rare tumour on my spine. He performed a thoracotomy and removed the tumour completely. I was discharged in 10 days with zero deficits. He is undoubtedly the best neurosurgeon in Mumbai."  – Helen D.

"My father had Parkinson's and was struggling with tremors. Dr. Kumar performed Deep Brain Stimulation (DBS). It was like a miracle; his quality of life has improved drastically. The doctor's disciplined approach is commendable." – R. Mehta

"I was terrified of brain surgery, but Dr. Abhaya Kumar suggested an 'Awake Craniotomy'. He spoke to me during the surgery, ensuring my speech was not affected. His skill and the technology at the hospital are world-class." – S. Iyer

Treatment Approach & Philosophy

Patient-Centred Care
Dr. Abhaya Kumar’s mantra is "Disciplined practice." He believes in listening carefully to patients and their relatives, maintaining transparency through good communication, and giving 100% effort to every case. He strives to balance hard work with family time, believing that the happiness of his family reflects in his care for patients.

Technology & Innovation
Dr. Kumar is a proponent of using advanced technology to minimise surgical trauma. He regularly utilises Intraoperative MRI (IMRIS)NeuronavigationStereotaxy, and the O-arm for spinal precision. His unit is one of the few in India to offer the full range of Minimally Invasive Spine Surgeries using tubular retractors and endoscopy.

Treatment Costs

Dr. Abhaya Kumar performs highly specialised neurosurgical procedures. The costs below are estimates and may vary based on the complexity of the case, implants used, and length of hospital stay.

Treatment / Procedure

Cost Estimate (INR)

Cost Estimate (USD)

Brain Tumour Surgery (Craniotomy)

₹3,50,000 – ₹6,00,000

$4,200 – $7,200

Minimally Invasive Spine Surgery

₹2,50,000 – ₹4,50,000

$3,000 – $5,400

Deep Brain Stimulation (DBS)

₹12,00,000 – ₹18,00,000

$14,400 – $21,600

Trigeminal Neuralgia (MVD/Balloon)

₹2,00,000 – ₹3,50,000

$2,400 – $4,200

Awake Craniotomy

₹4,00,000 – ₹7,00,000

$4,800 – $8,400

Scoliosis / Spine Deformity Correction

₹5,00,000 – ₹9,00,000

$6,000 – $10,800

Note: For appointment booking and to get a personalised cost estimate, you can connect with the Cancer Rounds team.

International Patient Assistance

Language Support
Dr. Abhaya Kumar is fluent in English, Hindi, Marathi, Kannada, Tamil, and Konkani. The Cancer Rounds team provides additional language support for international patients who speak other languages.

Visa & Travel Assistance
Cancer Rounds assists patients with medical visa invitations, airport transfers, and accommodation arrangements near the hospital.

Pre-treatment Virtual Consultations
International patients can book a video consultation with Dr. Abhaya Kumar through Cancer Rounds to discuss MRI scans and treatment options before flying to India.

Frequently Asked Questions

Dr. Abhaya Kumar specialises in Neurosurgery and Minimally Invasive Spine Surgery. He is a leading expert in treating Brain Tumours, Spinal Tumours, Trigeminal Neuralgia, and performing Deep Brain Stimulation (DBS).

Yes, Dr. Abhaya Kumar heads one of the few units in Mumbai offering comprehensive treatment for Trigeminal Neuralgia. He performs Microvascular Decompression (MVD), Radiofrequency Ablation, and Stereotactic Radiosurgery with a 98% success rate in refractory cases.

Dr. Abhaya Kumar has over 20 years of experience in neurosurgery. He has performed over 8,000 successful surgeries, including 5,500 brain cases and 3,500 spine cases.

Yes, Dr. Kumar is a pioneer in Minimally Invasive Spine Surgery (MISS) in India. This technique uses small incisions and tubular retractors to treat spine issues with less pain and faster recovery. He has performed over 2,500 such procedures with a 96% success rate.

Yes, Dr. Kumar has performed more than 500 Awake Neurosurgery procedures. This advanced technique allows the surgeon to map vital brain functions (like speech and movement) while the patient is awake during tumour removal.

Dr. Kumar regularly uses cutting-edge technology including Intraoperative MRI (IMRIS), Neuronavigation, O-arm, and Neuroendoscopy to ensure the highest precision and safety during brain and spine surgeries.

Yes, Dr. Kumar has extensive expertise in Paediatric Neurosurgery, treating conditions such as paediatric brain tumours, Hydrocephalus, and congenital spinal defects like Spinal Dysraphism.

You can book an appointment with Dr. Abhaya Kumar by contacting the Cancer Rounds team. They facilitate priority appointments for both domestic and international patients at Kokilaben Dhirubhai Ambani Hospital.

Dr. Abhaya Kumar has a success rate of approximately 90% for brain tumours, with complete tumour removal in most cases. His complication rate is between 3-5%, which is better than the international benchmark of 5-8%.

Yes, Dr. Kumar holds an FRCS in Neurosurgery from the UK and was awarded "Best Neurosurgical Trainee" in Glasgow. He has completed fellowships in Minimally Invasive Spine Surgery and Stereotactic Radiosurgery in the United Kingdom.

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