Dr. Abhaya Kumar

Dr Abhaya Kumar is one of Mumbai's most experienced neurosurgeons with over 35 years of practice in neurosurgery and spine surgery.

He currently serves as Head of Neurosurgery and Consultant in Minimally Invasive Spine Surgery at Kokilaben Dhirubhai Ambani Hospital (KDAH), Andheri West.

Dr Abhaya Kumar neurosurgeon Mumbai is among the few specialists in India with proven dual expertise in complex brain and minimally invasive spine surgery.

Dr Abhaya has performed over 8,000 surgical cases at KDAH in the last 15 years alone. This includes approximately 5,500 brain surgeries and 3,500 spine procedures.

He has also completed more than 500 awake neurosurgery procedures, a technique only a handful of neurosurgeons across the country offer.

Doctor Kumar Abhaya completed his MBBS from Kempegowda Institute of Medical Sciences, Bengaluru, and earned an MS in General Surgery from the University of Goa. He also holds a DNB in General Surgery from the National Board of Examinations, New Delhi.

Dr Kumar holds the rare distinction of dual FRCS degrees from the United Kingdom:

• FRCS in General Surgery from the Royal College of Surgeons of Edinburgh (1998)
• FRCS in Neurosurgery from the Intercollegiate Specialty Board, UK (2006)

Dr Abhaya further completed his core neurosurgical training at the Institute of Neurosciences, Glasgow, UK. He also holds specialized fellowships in Stereotactic Radiosurgery and Minimal Invasive Spine Surgery from the UK.

He was also awarded Best Neurosurgical Trainee at Southern General Hospital, Glasgow, UK.

Specialty Areas and Treatments

Dr Abhaya Kumar provides advanced surgical care for complex brain, spine, and neurological conditions at Kokilaben Dhirubhai Ambani Hospital, Mumbai.

Brain Tumour Surgery in Mumbai

Dr Abhaya Kumar has operated on over 3,000 brain tumour cases at KDAH with a success rate of approximately 95%.

He routinely uses Intraoperative MRI (IMRIS), neuronavigation, stereotaxy, and neuroendoscopy to achieve precise tumour removal. Key procedures include:

• Primary and metastatic brain tumour excision
• Pituitary tumour removal via neuroendoscopy (over 150 cases)
• Colloid cyst and intraventricular tumour surgery
• Pediatric brain tumour surgery and hydrocephalus management
• Awake craniotomy for tumours near eloquent brain areas (over 500 cases)

Minimally Invasive Spine Surgery in Mumbai

Dr Abhaya Kumar spine surgeon Mumbai has completed over 2,500 minimally invasive spine procedures with a 96% success rate.

His conversion rate to open surgery stands at just 2%, reflecting exceptional precision. KDAH is one of the few centres in Mumbai offering comprehensive minimally invasive spine services using tubular retractors, endoscopy, and O-arm navigation. Procedures include:

• Minimally invasive lumbar microdiscectomy and micro decompression
• Transforaminal endoscopic lumbar microdiscectomy
• Minimally invasive lumbar TLIF
• Cervical microforaminotomy
• Anterior cervical discectomy and fusion
• Vertebroplasty and kyphoplasty

Spinal Cord Tumour Surgery

Dr Abhaya has treated over 500 spinal cord tumour cases with a 98% success rate at KDAH.

He also manages conditions such as spinal dysraphism and craniovertebral junction anomalies, with over 300 craniovertebral cases treated at a 90% success rate.

Trigeminal Neuralgia Surgery in Mumbai

Dr A Kumar has treated more than 500 cases of refractory trigeminal neuralgia with a 98% success rate.

KDAH is one of the only centres in Mumbai offering the full range of surgical treatments for this condition:

• Microvascular decompression of the trigeminal nerve
• Radiofrequency ablation of the trigeminal nerve
• Stereotactic radiosurgery for trigeminal neuralgia
• Percutaneous balloon compression for elderly or high-risk patients

Stroke, Epilepsy, and Movement Disorder Surgery

Dr Abhaya Kumar provides advanced surgical management across multiple complex neurological conditions at KDAH:

• Ischemic and haemorrhagic stroke surgery (over 500 cases, 90% success rate)
• Medically refractory epilepsy surgery (over 200 cases, 94% success rate)
• Deep brain stimulation for Parkinson's disease (over 100 cases, 98% success rate)
• Stereotactic radiosurgery (over 100 cases)

Additional Neurosurgical Expertise

Doctor Abhaya Kumar also manages the following conditions:

• Head injury and neurotrauma
• Subarachnoid haemorrhage
• Craniovertebral junction abnormalities

Credentials and Trust

Dr Abhaya Kumar is a member of several prestigious national and international neurosurgical organizations:

• Walter E Dandy Neurosurgical Society, USA
• Congress of Neurological Surgeons, USA
• Neurological Society of India
• World Federation of Neurosurgical Societies
• North American Spine Society, USA (NASS)
• Association of Spine Surgeons of India
• Neuro Spine Society of India (NSICON)
• Minimal Invasive Spine Society of Bharat
• Maharashtra Chapter of Neurological Surgeons, India (MCNS)
• Bombay Neurosciences Association, Mumbai
• Association of Medical Consultants, Mumbai

Dr A Kumar has authored multiple peer-reviewed research papers in national and international journals.

His published work covers spinal cord stimulation, vagal nerve stimulation for epilepsy, stereotactic radiosurgery dosimetry, and rare neurosurgical infections.

He was also part of the landmark STICH trial during his training in the UK, which was published in the STROKE journal.

Dr S K Kumar is a double gold medallist, recognized in ENT during MBBS and in the MS General Surgery examination.

Hospital Affiliation

Dr Abhaya Kumar currently practises at Kokilaben Dhirubhai Ambani Hospital and Medical Research Institute in Andheri West, Mumbai.

KDAH offers advanced neurosurgical infrastructure including Intraoperative MRI (IMRIS), O-arm navigation, neuroendoscopy suite, and stereotactic radiosurgery facilities.

He previously served as a Consultant Neurosurgeon at Narayana Hrudayalaya Hospital, Bengaluru.

Dr Kumar speaks Hindi, English, Marathi, Kannada, Tamil, and Konkani, making him accessible to patients from diverse linguistic backgrounds across Mumbai.

Book an Appointment with Dr Abhaya Kumar

For an online appointment with Dr Abhaya Kumar, neurosurgeon at Kokilaben Dhirubhai Ambani Hospital Mumbai, or to check consultation fees and OPD timings, reach out through HexaHealth for priority booking.