Book an Appointment
Dr. Abhaya Kumar

Dr. Abhaya Kumar

Head of Department (HOD)

33 years of experience

Neurologists

MBBS, DNB, MS, MRCS, FRCS, FMIS, Fellowship

Kokilaben Dhirubhai Ambani Hospital, Mumbai

English, Hindi, Kannada, Marathi, Tamil

Consultation Fee ₹ 1200

Book an Appointment

About Dr. Abhaya Kumar

  • Dr. Abhaya Kumar is a leading Neurosurgeon and a Minimally Invasive Spine Surgery Expert in Mumbai.
  • He has over 33 years of experience and has performed over 8,000 surgeries, including 3,500 spinal procedures and 5,500 brain surgeries to date.
  • Dr. Abhaya has conducted over 2,500 minimally invasive spine surgeries, with a 96% success rate. Only 2% of cases required conversion to open surgery.
  • He offers comprehensive minimally invasive spine surgery using tubular retractors, endoscopy, and O-arm technology.
  • Some of the advanced spinal procedures Dr. Abhaya offers are:
    • Minimally Invasive Lumbar Microdiscectomy & Lumbar Micro Decompression
    • Transforaminal Endoscopic Lumbar Microdiscectomy
    • Minimally Invasive Lumbar TLIF
    • Cervical Microforaminotomy
    • Anterior Cervical Discectomy and Fusion
    • Vertebroplasty and Kyphoplasty
  • He has successfully treated 300+ cases of craniovertebral junction anomalies.
  • Using advanced technologies like intraoperative MRI (IMRIS), neuro-navigation, stereotaxy, and neuroendoscopy, Dr. Abhaya has operated on approximately 3,000 brain tumors and over 500 spinal cord tumors.
  • He achieves a 90% success rate in brain tumor surgeries, with residual tumors in only 10% of patients, comparable to international standards. The overall complication rate is 3%-5%, below the benchmark of 5%-8%.
  • In his excellent surgical career spanning over three decades, he has performed more than 500 awake neurosurgeries and treated over 500 cases of refractory trigeminal neuralgia with a 98% success rate.
  • He utilizes neuroendoscopy for treating pituitary tumors, hydrocephalus, colloid cysts, and intraventricular tumors.
  • He offers comprehensive surgical treatments for trigeminal neuralgia, including:
    • Microvascular Decompression
    • Radiofrequency Ablation
    • Stereotactic Radiosurgery
  • As part of the Stroke Team, Dr. Abhaya has provided surgical treatment for over 500 ischemic and hemorrhagic stroke patients.
  • Similarly, as a member of the Epilepsy Team, he has performed over 200 surgeries for medically refractory epilepsy.
  • He has conducted over 100 deep brain stimulation procedures for Parkinson’s disease.
  • Dr. Abhaya completed his MBBS from Bangalore University, Mumbai, in 1991. Later he pursued a DNB and MS in General Surgery in 1997.
  • He also holds an FRCS (General Surgery) from the Royal College of Surgeons of Edinburgh, UK, 1998, and an FRCS (Neurosurgery) from the Intercollegiate Specialty Board in Neurosurgery, UK, 2006.
  • Dr. Abhaya also did Fellowships in Minimal Invasive Spine Surgery and Stereotactic Radiosurgery from the United Kingdom.
  • He has associations with national and international medical societies, such as the Walter E. Dandy Neurosurgical Society (USA), the Congress of Neurological Surgeons (USA), the Neurological Society of India, the World Federation of Neurosurgical Societies, and the Minimal Invasive Spine Society of Bharat.

Education

  • MBBS, Bangalore University, Mumbai, 1991
  • DNB, (General Surgery), National Board of Examinations, 1997
  • MS, (General Surgery), University of Goa, 1997
  • FRCS (General Surgery), Royal College of Surgeons of Edinburgh, UK, 1998
  • FRCS (Neurosurgery), Intercollegiate Specialty Board in Neurosurgery, UK, 2006
  • Fellowship in Minimal Invasive Spine Surgery, United Kingdom
  • Fellowship in Stereotactic Radiosurgery, United Kingdom

Training & Certificates

  • Trained in Neurosurgery at the Institute of Neurosciences, Glasgow, United Kingdom

Awards

  • Gold Medallist in ENT in MBBS
  • Gold medallist in MS (General Surgery) exam
  • Awarded Best Neurosurgical Trainee in Southern General Hospital, Glasgow, UK

Associations/Membership

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

Paper Published

  • Clinical Study And Management Of Ureteric Calculi  In Goa.
  • This has been published in the Goa University newsletter. It was the topic for my dissertation for the MS [General Surgery] degree at Goa Medical College, India.
  • I was on the team involved in the STICH trial at Newcastle General Hospital, UK.
  • This trial was published in the STROKE journal.
  • Spinal Cord Stimulation for the Treatment of Refractory Unilateral Limb Pain Syndromes
  • Abhaya Kumar, Catriona Felderhof, M. Sam Eljamel. Stereotactic and Functional Neurosurgery 2003;81:70-74
  • Vagal Nerve stimulation for medically intractable epilepsy-Dundee experience with 17 patients
  • Kumar, Sam Eljamel, R.Roberts British Journal of Neurosurgery 2003; 17(1):95-96
  • Simultaneous living donor liver transplant with sleeve gastrectomy for metabolic syndrome and NASH-related ESLD—Indian Journal of Gastroenterology  
  • Treatment of Elizabeth King in 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

Field of Expertise

  • Aneurysm Coiling
  • Brain AVM Embolization with Onyx
  • Brain Surgery
  • Carotid Angioplasty and Stenting
  • Carotid Endarterectomy (CEA)
  • Cerebral Angiogram
  • Cerebral Angioplasty
  • Cervical Artificial Disk Replacement
  • Chronic Cerebro Spinal Venous Insufficiency (CCSVI)
  • Cognitive Behavioral Therapy (CBT)
  • Corpus Callosotomy
  • Craniofacial Reconstruction Surgery
  • Cranioplasty
  • Craniotomy
  • CyberKnife Surgery
  • Decompressive Craniectomy
  • Deep Brain Stimulation (DBS)
  • Digital Nerve Repair
  • Electroconvulsive Therapy
  • Endovascular Surgery for AVMs
  • Epilepsy Surgery
  • Gamma Knife Surgery
  • Hemispherectomy
  • High Cervical Stimulation
  • Image-Guided Neurosurgery
  • Intrathecal Pain Pump
  • Lesionectomy
  • Liberation Therapy
  • Microsurgery for Arteriovenous Malformations (AVMs)
  • Microsurgical Tumor Removal
  • Microvascular Decompression (MVD)
  • Minimally Invasive Brain Surgery
  • Minimally Invasive Surgery for Brain Tumor
  • Multiple Subpial Transections (MST)
  • Nerve Repair Surgery
  • Neuroendoscopy
  • Pediatric Neurosurgery
  • Percutaneous Balloon Compression (PBC)
  • Percutaneous Stereotactic Radiofrequency Rhizotomy (PSR)
  • Peripheral Nerve Surgery
  • Rhizotomy
  • Robotic-Assisted Nephroureterectomy
  • Skull Base Surgery
  • Speech Therapy
  • Spinal Cord Stimulation
  • Stereotactic Radiosurgery (SRS)
  • Temporal Lobectomy
  • Thecoperitoneal Shunt
  • Transcutaneous Electrical Nerve Stimulation (TENS)
  • Vagus Nerve Stimulation
  • Ventriculostomy
  • Vertebroplasty and Kyphoplasty
  • VP Shunt
  • Acoustic Neuroma
  • Acute Disseminated Encephalomyelitis (ADEM)
  • Acute Flaccid Myelitis
  • Acute Flaccid Myelitis (AFM)
  • ALD (Adrenoleukodystrophy)
  • Alzheimer's Disease
  • Amnesia
  • Amyloidosis
  • Amyotrophic Lateral Sclerosis (ALS)
  • Anaplastic Astrocytoma
  • Anxiety Disorder (Hypochondria, Hypochondriasis)
  • Arachnoid Cysts
  • Arteriovenous Fistula (AVF)
  • Arteriovenous Malformation (AVM)
  • Arthritis of the Spine (Spondylosis)
  • Astrocytoma
  • Ataxia
  • Atypical Parkinsonism
  • Autism Spectrum Disorder
  • Avoidant Personality Disorder
  • Back Pain in Athletes
  • Back Strains and Sprains
  • Basal Ganglia Stroke
  • Bell's Palsy
  • Benign Rolandic Epilepsy
  • Bipolar Disorder
  • Bipolar Psychosis
  • Bladder and Bowel Dysfunction in Multiple Sclerosis (MS)
  • Body Dysmorphic Disorder
  • Botulism
  • Brachial Plexus Palsy
  • Brain Aneurysm
  • Brain Atrophy
  • Brain Cancer (Brain Tumor)
  • Brain Hemorrhage
  • Brain Stem Glioma
  • Brain: Temporal Lobe, Vagal Nerve, & Frontal Lobe
  • Carotid Artery Stenosis
  • Cerebellopontine Angle (CPA) Tumors
  • Cerebral Cavernous Malformation (CCM)
  • Cerebral Palsy
  • Cerebrovascular Insufficiency
  • Cervical Spinal Stenosis
  • Cervical Spondylosis
  • Charcot-Marie-Tooth Disease
  • Chiari Malformation
  • Childhood Schizophrenia
  • Chordomas
  • Choroid Plexus Tumor
  • Chronic Migraine
  • Chronic Spine and Back Pain
  • Chronic Traumatic Encephalopathy (CTE)
  • Circadian Rhythm Sleep Disorders
  • Cluster Headaches
  • Congenital Malformations of the Brain and Spine
  • Convexity Meningioma
  • Craniofacial Malformations
  • Craniopharyngioma
  • Craniosynostosis (Craniostenosis)
  • Cubital Tunnel Syndrome
  • Degenerative Disc Disease
  • Dementia
  • Developmental Delay in Children
  • Devic's Disease (Neuromyelitis)
  • Discitis
  • Dissociative Amnesia
  • Dissociative Disorders
  • Duchenne Muscular Dystrophy (DMD)
  • Dysembryoplastic Neuroepithelial Tumor (DNET)
  • Dyslexia
  • Dystonia
  • Encephalitis
  • Encephalocele
  • Ependymoma
  • Epilepsy
  • Essential Tremor
  • Factitious Disorders
  • Febrile Seizures
  • Fibrillary Astrocytoma
  • Frontal Lobe Epilepsy
  • Frontotemporal Dementia (FTD)
  • Generalized Seizures
  • Glioblastoma Tumors
  • Gliomas Tumors
  • Glossopharyngeal Neuralgia (GPN)
  • GLUT-1 Deficiency
  • Guillain-Barre Syndrome (GBS)
  • Headache
  • Headaches in Children and Adolescents
  • Hemangioblastoma
  • Hemangiopericytoma
  • Hemicrania Continua
  • Hemimegalencephaly
  • Herniated Disk (Slipped, Ruptured or Bulging Disk)
  • HIV Neuropathy
  • HIV-Associated Dementia
  • Hydrocephalus
  • Hydrocephalus in Children
  • Hyperkalemia (High Potassium)
  • Hypothalamic Hamartoma
  • Hypothermia (Low Body Temperature)
  • Idiopathic Intracranial Hypertension (IIH)
  • Idiopathic Neuropathy
  • Infantile Spasm
  • Insomnia
  • Joubert Syndrome
  • Juvenile Myoclonic Epilepsy
  • Juvenile pilocytic astrocytoma (JPA)
  • Kleine-Levin Syndrome
  • Korsakoff's Syndrome
  • Leukodystrophy
  • Lewy Body Dementia
  • Lower Back Pain
  • Lumbar Spinal Stenosis
  • Lyme Disease
  • Malignant Peripheral Nerve Sheath Tumor (MPNST)
  • Medulloblastoma
  • Meningioma
  • Meralgia Paresthetica
  • Metastatic Spinal Tumors
  • Metastatic Tumors
  • Migraines in Children and Adolescents
  • Mild Cognitive Impairment
  • Mild Cognitive Impairment (MCI)
  • Mitochondrial Diseases
  • Motor Neuron Disease
  • Motor Stereotypies
  • Moyamoya Disease
  • Multiple Sclerosis (MS)
  • Muscular Dystrophy
  • Myasthenia Gravis (MG)
  • Myoclonic Atonic Epilepsy
  • Narcolepsy
  • Narcolepsy in Children
  • Neck Sprain
  • Nerve Injury
  • Nerve Sheath Tumor
  • Neuroblastoma
  • Neurofibroma
  • Neurofibromatosis Type 1 (NF1)
  • Neurofibromatosis Type 2 (NF2)
  • Neurogenic Bladder
  • Normal Pressure Hydrocephalus (NPH)
  • Obsessive-Compulsive Disorder
  • Occipital Neuralgia
  • Olfactory Neuroblastoma
  • Oligodendroglioma
  • Oppositional Defiant Disorder
  • Optic Nerve Glioma
  • Optic Neuritis
  • Osteoma
  • Paralysis
  • Paraplegia
  • Parkinson's Disease
  • Partial Seizures
  • Pediatric Brain and Spine Injuries
  • Pediatric Multiple Sclerosis
  • Periodic Limb Movement Disorder (PLMD) in Adults
  • Peripheral Neuropathy
  • Peroneal Nerve Injury
  • Persistent Depressive Disorder (PDD)
  • Pituitary Adenoma
  • Pituitary Tumor
  • Poland Syndrome
  • Postherpetic Neuralgia
  • Postpartum Depression
  • Primary Central Nervous System (CNS) Lymphoma
  • Pseudomeningocele
  • Rasmussen's Encephalitis
  • Rathke's Cleft Cysts (RCCs)
  • Restless Leg Syndrome
  • Reversible Cerebral Vasoconstriction Syndrome
  • Schizoaffective Disorder
  • Schizophrenia
  • Schwannomas
  • Seizures
  • Sensory Ataxia
  • Skeletal Dysplasia
  • Small Fiber Sensory Neuropathy (SFSN)
  • Spasticity
  • Spina Bifida
  • Stiff Person Syndrome
  • Stroke
  • Sturge Weber Syndrome
  • Subarachnoid Hemorrhage (SAH)
  • Subcortical Vascular Dementia
  • Subdural Hematoma
  • Susac Syndrome
  • Syringomyelia
  • Systemic Lupus Erythematosus
  • Tarsal Tunnel Syndrome (TTS)
  • Tethered Spinal Cord Syndrome
  • Tonic-Clonic Seizures
  • Torticollis
  • Tourette Syndrome
  • Transient Global Amnesia (TGA)
  • Transient Ischemic Attack (TIA) or Mini Stroke
  • Transverse Myelitis
  • Traumatic Brain Injury
  • Trichotillomania
  • Trigeminal Neuralgia
  • Vasculitic Neuropathy
  • Vestibular Schwannoma
View All

Now Request Doctor Appointment in Easy Steps

Best Neurology Doctors in India

View All
View All
Enquiry Now