DS
44 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Shewmon, Clinical Neurophysiologist in Sylmar, CA?
Dr. Daniel Shewmon, MD is a Clinical Neurophysiologist, who primarily practices in Sylmar, CA. He has been practicing for over 44 years and is board certified. Dr. Shewmon graduated from New York University School of Medicine and completed his residency at Loyola Univ Med Ctr, Neurology; Ca Pacific M C-Ca Campus, Pediatrics. Dr. Shewmon is fluent in English and Spanish, and is currently seeing new patients. Dr. Shewmon’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Shewmon’s office at (818) 364-3104.
Where did Dr. Shewmon go to medical school and complete their residency?
Residency: Loyola Univ Med Ctr, Neurology; Ca Pacific M C-Ca Campus, Pediatrics
Medical School: New York Univ Sch of Med, New York Ny | New York University School of Medicine
Is Dr. Shewmon board certified as a Clinical Neurophysiologist?
Yes, Dr. Daniel Shewmon, MD is board certified by the American Board of Pediatrics
What languages does Dr. Shewmon speak?
Dr. Shewmon and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Clinical Neurophysiologist like Dr. Shewmon typically treat?
As a Clinical Neurophysiologist, Dr. Shewmon 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. Shewmon. 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
- Generalized Epilepsy
- Convulsions
- Epileptic events
- Fits
- Seizure disorder
- Convulsive disorder
- Falling sickness
- Idiopathic generalized epilepsy
- Primary generalized epilepsy
- Generalized seizure disorder
ICD-10 Codes:
- G4089: Other seizures
- G40909: Epilepsy, unspecified, not intractable, without status epilepticus
- G40309: Generalized idiopathic epilepsy and epileptic syndromes, not intractable, without status epilepticus
Also known as:
- Changes in Mental State
- Mental Disorder
- Confusion
- Disorientation
- Changes in awareness
ICD-10 Codes:
- R4182: Altered mental status, unspecified
Also known as:
- Seizures
- Fever Seizures in Children
- Epilepsy
- Convulsions
- Fits
- Febrile seizures
- Fever fits
- Childhood fever seizures
ICD-10 Codes:
- R569: Unspecified convulsions
- R5600: Simple febrile convulsions
Also known as:
- Temporary Confusion
- Delirium
- Mental Disorder
- Acute Confusion
- Sudden Mental Changes
- Brief Disorientation
ICD-10 Codes:
- R404: Transient alteration of awareness
What procedures does a Clinical Neurophysiologist like Dr. Shewmon typically perform?
As a Clinical Neurophysiologist, procedures performed by Dr. Daniel Shewmon 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. Shewmon's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Shewmon accept my insurance?
Dr. Shewmon accepts most major insurance plans. Important: Please call our office at (818) 364-3104 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Shewmon accept in Sylmar, CA?
Dr. Shewmon in Sylmar, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Capital District Physicians' Health Plan (CDPHP)
Centene Corporation
City of Los Angeles
Elevance Health Inc. (formerly Anthem)
MVP Health Care
Preferred IPA
State of California
State of New York
UnitedHealth Group
View All Insurances
Where is Dr. Shewmon's office located?
Olive View - Ucla Medical Center Neurology
14445 Olive View Dr
Sylmar, CA 91342
(818) 364-3104
What is Dr. Shewmon's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Shewmon's National Provider Identifier (NPI) number is 1215962535.
What common questions do patients ask about Dr. Shewmon?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Shewmon
What is Dr. Daniel Shewmon's specialty?
Dr. Shewmon is a Clinical Neurophysiologist near Sylmar, CA.
What does a Clinical Neurophysiologist do?
Clinical Neurophysiology is a subspecialty that focuses on diagnosing and managing disorders of the central, peripheral, and autonomic nervous systems through a combination of clinical assessment and electrophysiologic testing. This includes techniques such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
Is this Dr. Daniel Shewmon affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Shewmon is affiliated with Albany Medical Center, Valley Presbyterian Hospital, Dignity Health - California Hospital Medical Center, Henry Mayo Newhall Hospital, Kaiser Permanente Panorama City Medical Center, Cedars-Sinai 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 Clinical Neurophysiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Clinical Neurophysiologist. 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 Daniel Shewmon accepting new patients in Sylmar, CA?
Yes, Dr. Daniel Shewmon is accepting new patients at this time.
Does Dr. Daniel Shewmon offer online booking?
Please contact Dr. Shewmon's office at (818) 364-3104 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Daniel Shewmon?
Please contact Dr. Shewmon's office at (818) 364-3104 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Daniel Shewmon have?
Dr. Daniel Shewmon is certified by the American Board of Pediatrics.
Other Clinical Neurophysiologist Near Sylmar, CA

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Dr. Frank Lin, MD is a Neurologist, who primarily practices in Monterey Park, CA with 2 additional practice locations. He is board certified.
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Connect with DR. Shewmon
Olive View - Ucla Medical Center Neurology
14445 Olive View Dr
Sylmar, CA 91342