HN
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nariai, Pediatric Neurologist in Los Angeles, CA?
Dr. Hiroki Nariai, MD is a Pediatric Neurologist, who primarily practices in Los Angeles, CA with 2 additional practice locations. Dr. Nariai graduated from Keio University School of Medicine. Dr. Nariai is fluent in English and Japanese, and is currently seeing new patients. Dr. Nariai’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nariai’s office at (310) 825-9111.
Where did Dr. Nariai go to medical school and complete their residency?
Medical School: Keio University School of Medicine
What languages does Dr. Nariai speak?
Dr. Nariai and their clinical team can communicate with patients in the following languages:
English
Japanese
What conditions does a Pediatric Neurologist like Dr. Nariai typically treat?
As a Pediatric Neurologist, Dr. Nariai diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Nariai. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Seizures
- Epilepsy
- Convulsions
- Fits
ICD-10 Codes:
- R569: Unspecified convulsions
Also known as:
- Intractable Lennox-Gastaut Syndrome
- Simple Partial Seizures
- Triggered Seizures
- Epilepsy
- Lennox-Gastaut syndrome
- Drug-resistant LGS
- Refractory Lennox-Gastaut
- Hard-to-treat LGS
- Focal Aware Seizures
- Aura Seizures
- Symptomatic Partial Seizures
- Reflex epilepsy
- Provoked seizures
- Situational seizures
- Seizure disorder
- Convulsive disorder
- Falling sickness
ICD-10 Codes:
- G40814: Lennox-Gastaut syndrome, intractable, without status epilepticus
- G40109: Localization-related (focal) (partial) symptomatic epilepsy and epileptic syndromes with simple partial seizures, not intractable, without status epilepticus
- G40509: Epileptic seizures related to external causes, not intractable, without status epilepticus
- G40901: Epilepsy, unspecified, not intractable, with status epilepticus
- G40909: Epilepsy, unspecified, not intractable, without status epilepticus
Also known as:
- Megalencephaly
- Brain Malformations
- Large Brain Size
- Macrocephaly
ICD-10 Codes:
- Q045: Megalencephaly
What procedures does a Pediatric Neurologist like Dr. Nariai typically perform?
As a Pediatric Neurologist, procedures performed by Dr. Hiroki Nariai may include:
- Aging Brain (Neuropsychological Testing)
- Cortical Basal Ganglionic Degeneration (CBGD)
- Deep Brain Stimulation
- Disturbance of Skin Sensation
- Electroencephalogram (EEG)
- Evoked Potential Testing
- Gait Simulation
- Greater Occipital Nerve (GON) Block
Please contact Dr. Nariai's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Nariai accept my insurance?
Dr. Nariai accepts most major insurance plans. Important: Please call our office at (310) 825-9111 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nariai accept in Los Angeles, CA?
Dr. Nariai in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Apex Healthcare
Blue Shield of California
Centene Corporation
Cigna Group
City of Los Angeles
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
L.A. Care Health Plan
State of California
UnitedHealth Group
View All Insurances
Where is Dr. Nariai's office located?
Dr. Hiroki Nariai's Primary Practice
200 Medical Plz Ste 265
Los Angeles, CA 90095
(310) 825-9111
What hospitals are Dr. Nariai affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Nariai has admitting privileges at the following hospitals:
Ronald Reagan Ucla Medical Center,Los Angeles, CA
Ranked in 3 Procedures

Ronald Reagan Ucla Medical Center,Los Angeles, CA
Ranked in 3 Procedures
Ucla Santa Monica Medical Center,Santa Monica, CA
Ranked in 2 Procedures

Ucla Santa Monica Medical Center,Santa Monica, CA
Ranked in 2 Procedures
Los Robles Regional Medical Center,Thousand Oaks, CA
Ranked ObGyn Surgery

Ranked in 3 Procedures

Los Robles Regional Medical Center,Thousand Oaks, CA
Ranked ObGyn Surgery
Ranked in 3 Procedures
Mlk Community Hospital,Los Angeles, CA
Mlk Community Hospital,Los Angeles, CA
Regents Univ Of Calif Los Angeles,West Hills, CA
Regents Univ Of Calif Los Angeles,West Hills, CA
Antelope Valley Medical Center,Lancaster, CA
Antelope Valley Medical Center,Lancaster, CA
What is Dr. Nariai's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nariai's National Provider Identifier (NPI) number is 1982911624.
What common questions do patients ask about Dr. Nariai?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nariai
What is Dr. Hiroki Nariai's specialty?
Dr. Nariai is a Pediatric Neurologist near Los Angeles, CA.
What does a Pediatric Neurologist do?
A Child Neurologist specializes in diagnosing and treating neurological disorders in newborns, infants, young children, and adolescents, with expertise in managing conditions specific to these developmental stages.
Is Dr. Hiroki Nariai affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nariai is affiliated with Ronald Reagan Ucla Medical Center, Ucla Santa Monica Medical Center, Los Robles Regional Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Pediatric Neurologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Pediatric Neurologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Dr. Hiroki Nariai accepting new patients in Los Angeles, CA?
Yes, Dr. Hiroki Nariai is accepting new patients at this time.
Does Dr. Hiroki Nariai offer online booking?
Please contact Dr. Nariai's office at (310) 825-9111 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Hiroki Nariai?
Please contact Dr. Nariai's office at (310) 825-9111 to schedule an appointment.
Where is Dr. Nariai's office located?
Dr. Nariai's offices are located in Los Angeles, CA and Calabasas, CA.
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