Janny N. Clark, NP

Accepting New Patients
26800 Crown Valley Parkway, Suite 320
Mission Viejo, CA 92691
2253.3 miles away
Medical Groups & Affiliations
This provider is part of the larger Providence network and you may be able to access providers, hospitals, and services with the following groups:
  • Mission Heritage Medical Group and Affiliated Physicians
  • St. Joseph Heritage Medical Group and Affiliated Physicians
  • St. Jude Heritage Medical Group and Affiliated Physicians
Speaks: English
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Mission Heritage Mission Viejo - Neurology Suite 320

26800 Crown Valley Parkway, Suite 320, Mission Viejo, CA 92691

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About Janny N. Clark

Janny Clark is a board-certified family nurse practitioner who specializes in the care of patients with neurological conditions. Janny Clark earned her Master of Science in Nursing at University of Southern California, with a specialty training in family nurse practitioner in 2022. In addition, she completed her last clinical praticulum at USC Keck School of Medicine in the department of Neurological Surgery. She has obtained two Bachelor of Science degrees with one in environmental science from University of California, Riverside and a nursing degree from South Dakota State University in their accelerated program. Before joining the neurology department at Providence Mission Heritage Medical Group, Janny gained years of diverse inpatient experience in the intensive care unit, particularly the Cardiovascular, COVID, Medical, Neuro, Surgical, and Transplant units.

Janny is a member of the California Association for Nurse Practitioners. Janny enjoys cooking, hiking, reading, and spending time with her family and friends with a new recent hobby of playing pickleball.

Medical School

University of Southern California
2022

Board Certifications
  • American Nurses Credentialing Center, Nurse Practitioner
Mission Heritage Mission Viejo - Neurology Suite 320
26800 Crown Valley Parkway, Suite 320
Mission Viejo, CA 92691

Medical Groups & Affiliations
Mission Heritage Medical Group

Clinical Interests

  • Abducens Nerve Disease
  • Abducens Nerve Injury
  • Abducens Nerve Palsy And Paresis
  • Abnormal Echoencephalogram
  • Abnormal Eeg
  • Abnormal Emg
  • Abnormal Head Shape
  • Abnormal Neuroimaging
  • Abnormal Reflexes
  • Abnormal Tendon Reflex
  • Abnormal Vestibular Function Test
  • Abnormal Videonystagmography (Vng) Test
  • Absence Epilepsy
  • Accessory Nerve Disease
  • Accessory Nerve Injury
  • Acoustic Neurofibromatosis
  • Acromegaly
  • Acute Cerebellitis (Ac)
  • Acute Flaccid Myelitis
  • Acute Inflammatory Demyelinating Polyradiculoneuropathy
  • Alcoholic Encephalopathy
  • Alogia
  • Alzheimer's Disease
  • Ambulatory Eeg
  • Amnesia
  • Amyloid Neuropathy
  • Amyotrophic Lateral Sclerosis
  • Aneurysm
  • Anosmia
  • Anoxic Encephalopathy
  • Anticonvulsant Toxicity
  • Anti-Nmda Receptor Encephalitis
  • Aphasia
  • Arachnoiditis
  • Arm Weakness
  • Arteriovenous Malformation (Avm)
  • Artificial Disc Replacement Surgery In The Cervical Spine
  • Artificial Disc Replacement Surgery In The Thoracic Spine
  • Ataxia
  • Athetoid Cerebral Palsy
  • Athetosis
  • Atonic Epilepsy
  • Atypical Parkinsonism
  • Aura
  • Auricular Neuralgia
  • Autoimmune Encephalitis
  • Autoimmune Encephalopathy
  • Autoimmune Meningitis
  • Autonomic Dysreflexia
  • Autonomic Nervous System Disorders
  • Autonomic Neuropathy
  • Bacterial Meningitis
  • Balance Testing
  • Benign Paroxysmal Positional Vertigo
  • Benson's Syndrome
  • Beriberi
  • Berry Aneurysm
  • Body Awareness Disorder
  • Botox For Bells Palsy
  • Botox For Cerebral Palsy
  • Botox For Dystonia
  • Botox For Migraines
  • Botulinum Toxin For Movement Disorders
  • Brachial Plexopathy
  • Brachial Plexus Injury
  • Brachial Plexus Lesions
  • Brachycephaly
  • Brain Arteriovenous Malformation
  • Brain Concussion
  • Brain Function Mapping
  • Brain Injury
  • Brain Injury Rehabilitation
  • Brain Lesions
  • Bulbar Palsy
  • Cadasil
  • Cadasil Syndrome
  • Cancer Related Cognitive Disorder
  • Capacity Assessment
  • Carbidopa Levodopa Intestinal Gel Therapy
  • Carbidopa Levodopa Oral Therapy
  • Carotid Stenosis
  • Carpal Tunnel Syndrome (Cts)
  • Cauda Equina Syndrome
  • Causalgia Of Lower Limb
  • Causalgia Of Upper Limb
  • Cdkl5 Mutation
  • Central Nervous System (Cns) Human T Lymphotropic Virus (Htlv)
  • Central Nervous System (Cns) Lyme
  • Central Nervous System Abscess
  • Central Nervous System Lupus
  • Central Sensitization
  • Cerebellar Anomalies
  • Cerebellar Ataxia
  • Cerebellar Disease
  • Cerebral Aneurysm
  • Cerebral Anomalies
  • Cerebral Arteritis
  • Cerebral Atherosclerosis
  • Cerebral Contusion
  • Cerebral Cyst
  • Cerebral Edema
  • Cerebral Hemorrhage
  • Cerebral Hernia
  • Cerebral Laceration
  • Cerebral Lipidosis
  • Cerebral Microvascular Injury
  • Cerebral Palsy
  • Cerebral Small Vessel Disease (Csvd)
  • Cerebral Venous Sinus Thrombosis
  • Cerebrospinal Fluid Abnormalities
  • Cerebrospinal Fluid Leak
  • Cerebrospinal Fluid Leak Headache
  • Cerebrovascular Accident (Cva)
  • Cerebrovascular Disorders
  • Cerebrovascular Insufficiency
  • Cervical Dystonia
  • Cervical Spine Stress Fracture
  • Charcot Marie Tooth Disease
  • Childhood Epilepsy
  • Chorea
  • Choreoathetosis
  • Chronic Inflammatory Demyelinating Polyneuropathy
  • Chronic Migraines
  • Chronic Post Traumatic Headache
  • Ciliary Neuralgia
  • Circadian Rhythm Sleep Disorder
  • Clinically Isolated Syndrome (Cis)
  • Cluster Headache
  • Cognitive Impairment
  • Common Peroneal Nerve Lesions
  • Concussion
  • Concussive Seizure
  • Convulsion
  • Corticobasal Degeneration
  • Cranial Nerve Diseases
  • Cranial Nerve Disorders
  • Cranial Nerve Injury
  • Cranial Nerve Palsy
  • Creutzfeldt Jakob Syndrome
  • Cryptogenic Epilepsy
  • Data (Pkg) Bracelet
  • Degenerative Brain Disorder
  • Degenerative Disorders Of The Balance Organs
  • Delirium
  • Dementia
  • Demyelinating Disease
  • Diabetic Nephropathy
  • Diabetic Neuropathy
  • Diabetic Polyneuropathies
  • Diagnostic Lumbar Puncture
  • Dietary Management In Epilepsy
  • Diffuse Axonal Injury
  • Diplegia Of Upper Limbs
  • Disorder Of Balance
  • Disturbance Of Skin Sensation
  • Dizziness
  • Drop Attack
  • Drug Induced Acute Dystonia
  • Dysarthria
  • Dysautonomia
  • Dyskinesia
  • Dysphagia
  • Dysphonia
  • Dystonia
  • Eeg Telemetry
  • Electrodiagnostic Medicine
  • Electroencephalography
  • Elevated Growth Hormone
  • Encephalitis
  • Encephalopathies
  • Enlarged Optic Nerve
  • Enlarged Ventricle
  • Enuresis
  • Epidural Injection
  • Epilepsia Partialis Continua
  • Epilepsy
  • Epilepsy Diet Therapy
  • Epilepsy Medication Management
  • Epilepsy Monitoring Unit Evaluation (Emu)
  • Epilepsy Surgery Evaluation
  • Epileptic Confusional State
  • Epileptic Twilight State
  • Essential Tremor
  • Evaluation For Deep Brain Stimulation (Dbs)
  • Executive Function Disorder
  • Extrapyramidal Disorders
  • Exvacuohydrocephalus
  • Facet Injection
  • Facet Joint Syndrome
  • Facial Asymmetry
  • Facial Nerve Palsy And Paresis
  • Facial Nerve Paralysis
  • Facial Pain
  • Facial Paresis
  • Facial Spasm
  • Facial Tingling
  • Facioscapulohumeral Muscular Dystrophy
  • Familial Ataxia
  • Familial Epilepsy
  • Fasciculations
  • Febrile Convulsions
  • Febrile Infection Related Epilepsy Syndrome (Fires)
  • Fecal Incontinence
  • Femoral Nerve Lesions
  • First Seizure Clinic
  • Flaccid Hemiplegia
  • Focal Dystonia
  • Focal Resection Surgery Brain
  • Focal Seizures
  • Focused Ultrasound
  • Forceful Blinking
  • Friedreich Ataxia
  • Frontal Lobe Disinhibition
  • Frontal Lobe Epilepsy
  • Functional Movement Disorders
  • Functional Quadriplegia
  • Fungal Meningitis
  • Gadolinium Brain Deposition
  • Ganglioneuroblastoma
  • Generalized Seizures
  • Genetic Dystonia
  • Gigantism
  • Glossopharyngeal Neuralgia
  • Grand Mal Status Epilepticus
  • Grin Mutation
  • Guillain Barre Syndrome (Gbs)
  • Handwriting Tremor
  • Hashimoto Encephalitis
  • Hashimoto Encephalopathy
  • Head Trauma
  • Headache
  • Headache Associated With Sexual Activity
  • Hearing Loss
  • Hemiatrophy
  • Hemicrania Continua
  • Hemidystonia
  • Hemineglect
  • Hemiparesis
  • Hemiplegia
  • Hereditary Neuropathy With Pressure Palsies (Hnpp)
  • Hereditary Sensory Neuropathy
  • Hereditary Spastic Paraplegia
  • Herpes Zoster
  • Hiv Dementia
  • Hiv Neuropathy
  • Hiv/Aids
  • Hydrocephalus
  • Hydromyelia
  • Hypertonia
  • Hypnic Headache
  • Hypoglossal Nerve Disease
  • Hypoglossal Nerve Injury
  • Hypotonia
  • Idiopathic Transverse Myelitis
  • Impaired Coordination
  • Inclusion Body Myositis
  • Increased Intracranial Pressure
  • Infantile Cerebral Palsy
  • Infantile Spasms
  • Infectious Neuritis
  • Intention Tremor
  • Intermittent Cerebral Ischemia
  • Intermittent Tremor
  • Internuclear Ophthalmoplegia (Ino)
  • Intracranial Arterial Occlusion
  • Intracranial Hemorrhage
  • Intracranial Hypertension
  • Intraventricular Cyst
  • Intraventricular Tumor
  • Isolated Central Nervous System Vasculitis
  • Jc Virus
  • Juvenile Parkinson's Disease (Jpd)
  • Kcnb1 Mutation
  • Landau Kleffner Syndrome
  • Late Effect Of Spinal Cord Injury
  • Late Effects Of Poliomyelitis
  • Lateral Sclerosis
  • Leg Numbness
  • Leg Weakness
  • Lennox Gastaut Syndrome
  • Lesions Of Popliteal Nerve
  • Lesions Of Sciatic Nerve
  • Leukodystrophy
  • Lip Droop
  • Lissencephaly
  • Lobar Atrophy Of Brain
  • Locked In Syndrome
  • Loss Of Consciousness
  • Loss Of Tendon Reflex
  • Lumbar Herniated Disc
  • Lumbar Puncture
  • Lumbar Spine Epidural Steroid Injection
  • Lumbosacral Plexus Lesions
  • Macrocephaly
  • Major Neurocognitive Disorder
  • Mal De Debarquement Syndrome (Mdds)
  • Marcus Gunn Phenomenon
  • Maternal Neurologic Disorders
  • Maternal Seizures
  • Medication Overuse Headache
  • Melkersson-Rosenthal Syndrome
  • Memory Disorders
  • Meningitis
  • Meralgia Paresthetica
  • Metabolic Brain Disorders
  • Microcephaly
  • Migraine
  • Migraine Treatment
  • Miller Fisher Syndrome
  • Mononeuritis
  • Mononeuritis Multiplex
  • Monoplegia
  • Monoplegia Of Upper Limb
  • Motion Sickness
  • Motor Neuron Disease
  • Movement Disorders
  • Moyamoya
  • Mri Guided Focused Ultrasound
  • Multiple Sclerosis
  • Multiple Sclerosis (Ms) Rehabilitation
  • Multiple System Atrophy
  • Multisystemic Disseminated Toxoplasmosis
  • Muscle Spasticity
  • Muscle Weakness
  • Muscular Dystrophy
  • Myasthenia Gravis
  • Myelitis
  • Myelitis/Myelopathy
  • Myelomeningocele
  • Myelopathy
  • Myoclonic Astatic Epilepsy Of Early Childhood
  • Myoclonus
  • Nerve Biopsy
  • Nerve Diseases
  • Nerve Laceration
  • Nerve Root Disorder
  • Nerve Sheath Tumor
  • Nervous System Disorders
  • Neuralgia
  • Neuralgic Amyotrophy
  • Neuravive
  • Neuritis
  • Neuro Infectious Diseases
  • Neuroborreliosis
  • Neurocognitive Disorder
  • Neurodegenerative Diseases
  • Neurofibromatosis
  • Neuroinflammatory Disorders
  • Neurointerventional Biplane Angiography System
  • Neuroleptic Malignant Syndrome
  • Neurologic Disorder Treatments
  • Neurological Disorders
  • Neurolysis
  • Neuroma
  • Neurometabolic Disorder
  • Neuromuscular Diseases
  • Neuromuscular Disorders
  • Neuromuscular Ultrasound
  • Neuropace
  • Neuropathic Pain
  • Neuropathic Pruritus
  • Neuropathy
  • Neurosarcoidosis
  • Neurosyphilis
  • Neurovascular Disease
  • New Onset Refractory Status Epilepticus (Norse)
  • New Onset Seizure
  • Non Epileptic Event
  • Non Ruptured Cerebral Aneurysm
  • Normal Pressure Hydrocephalus
  • Numbness
  • Occipital Neuralgia
  • Olfactory Nerve Disease
  • Olivopontocerebellar Atrophy
  • Opsoclonus Myoclonus Ataxia Syndrome
  • Optic Migraines
  • Optic Nerve And Pathway Injury
  • Optic Nerve Disease
  • Orofacial Pain
  • Orthostatic Hypotension
  • Pachygyria
  • Papilledema
  • Paralysis
  • Paraneoplastic Cerebellar Degeneration (Pcd)
  • Paraneoplastic Polyneuropathy
  • Paraplegia
  • Parasitic Meningitis
  • Paresthesia
  • Parietal Lobe Epilepsy
  • Parkinson's Disease (Pd)
  • Parkinson's Disease (Pd) Related Depression/Anxiety
  • Parkinson's Treatment
  • Paroxysmal Hemicrania
  • Pediatric Electroencephalogram
  • Pediatric Epilepsy
  • Pellagra
  • Periodic Paralysis
  • Peripheral Autonomic Neuropathy
  • Peripheral Nerve Disease
  • Peripheral Nerve Injury
  • Peripheral Neuropathy
  • Periventricular Lesions
  • Periventricular Leukomalacia
  • Periventricular Mass
  • Peroneal Muscular Atrophy
  • Peroneal Nerve Injury
  • Peroneal Nerve Lesions
  • Petit Mal Status
  • Pinched Nerve
  • Pituitary Adenoma
  • Pituitary Cancer
  • Plagiocephaly
  • Plantar Nerve Lesions
  • Plexitis
  • Plexopathy
  • Poliodystrophia Cerebri
  • Poliomyelitis
  • Polymicrogyria
  • Polyneuropathy
  • Positional Vertigo
  • Post Concussion Syndrome
  • Post Transplant Peripheral Neuropathy
  • Post Traumatic Amnesia
  • Post Traumatic Epilepsy
  • Post Traumatic Headache
  • Post Traumatic Seizures
  • Primary Cough Headache
  • Primary Exercise Headache
  • Primary Progressive Aphasia
  • Primary Stabbing Headache
  • Primary Thunderclap Headache
  • Problems With Smell And Taste
  • Progressive Multifocal Leukoencephalopathy
  • Progressive Muscular Atrophy
  • Progressive Myoclonic Epilepsy
  • Progressive Supranuclear Palsy
  • Provisional Tic Disorder
  • Pseudobulbar Palsy
  • Pseudotumor Cerebri
  • Psychogenic Non Epileptic Seizures
  • Pure Autonomic Failure
  • Quadriplegia
  • Radial Nerve Lesions
  • Radiculopathy
  • Radiographic Isolated Syndrome
  • Rasmussen Syndrome
  • Reflex Neurovascular Dystrophy
  • Reflex Sympathetic Dystrophy
  • Responsive Neurostimulation
  • Restless Legs Syndrome
  • Retinal Vasculopathy With Cerebral Leukoencephalopathy (Rvcl)
  • Reversible Cerebral Vasoconstriction Syndrome (Rcvs)
  • Schizencephaly
  • Schwannomatosis
  • Scn1a Related Seizures Disorders
  • Scn2a Mutation
  • Segmental Dystonia
  • Sensory Impairment
  • Sensory Problem With Head
  • Sensory Problem With Neck And Trunk
  • Sensory Problems With Limbs
  • Simple Partial Seizures
  • Sinus Stenosis
  • Skin Biopsy
  • Sleep Related Headache
  • Slurred Speech
  • Solitary Sclerosis
  • Spasticity
  • Spasticity Management
  • Spinal Cord Diseases
  • Spinal Muscular Atrophy
  • Spinal Schwannoma
  • Spine Arteriovenous Malformation (Avm)
  • Spinocerebellar Degeneration
  • Spinocerebellar Diseases
  • Sports Related Concussion
  • Sports Related Concussion Testing
  • Sports Related Head Injury
  • Sports Related Spinal Cord Injury
  • Staring
  • Status Epilepticus
  • Stereotypic Movement Disorder
  • Stroke Related Spasticity
  • Subacute Spongiform Encephalopathy
  • Subarachnoid Hemorrhage
  • Subdural Hematoma
  • Subdural Hemorrhage
  • Subdural Hygroma
  • Suna Headache
  • Sunct Headache
  • Supraorbital Neuralgia
  • Syncope
  • Syphilis
  • Syringobulbia
  • Syringomyelia
  • Tarsal Tunnel Syndrome
  • Temporal Lobe Epilepsy
  • Temporal Sclerosis
  • Tension Headache
  • Tetany
  • Tetraplegia
  • Thalamotomy
  • Tibial Nerve Lesions
  • Tic Disorders
  • Tingling
  • Tinnitus
  • Tonic Clonic Seizure
  • Torsion Dystonia
  • Torticollis
  • Tourette Syndrome
  • Toxic Myoneural Disorders
  • Toxoplasmosis
  • Transcranial Doppler
  • Transient Blindness
  • Transient Cerebral Ischemia
  • Transient Ischemic Attack (Tia)
  • Transient Limb Paralysis
  • Transient Monocular Vision Loss
  • Transverse Myelitis
  • Traumatic Brain Injury
  • Tremor
  • Trigeminal Nerve Injection
  • Trigeminal Nerve Injury
  • Trigeminal Nerve Palsy And Paresis
  • Trigeminal Neuralgia
  • Trochlear Nerve Injury
  • Tuberculosis Of Meninges
  • Tuberous Sclerosis
  • Twitching
  • Ulnar Nerve Compression
  • Ultrasound Guided Steroid Injection Of The Spine
  • Unable To Grip
  • Unsteady Gait
  • Uremic Encephalopathy
  • Vagal Nerve Disorders
  • Vagus Nerve Disease
  • Vagus Nerve Stimulation
  • Vascular Malformations Of The Brain
  • Vascular Myelopathy
  • Vasculitic Neuropathy
  • Vasomotor Symptoms
  • Vein Of Galen Malformation
  • Venezuelan Equine Encephalomyelitis
  • Ventriculomegaly
  • Vertebrobasilar Insufficiency
  • Vertigo
  • Vestibular Evoked Myogenic Potential Testing
  • Viral Meningitis
  • Virtual Care
  • Visual Evoked Potentials (Vep) Test
  • Vitamin B Deficiency
  • Vocal Tremor
  • Wada Testing
  • West Nile Encephalitis
  • White Matter Hyperintensities