MS
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Sy, Neurologist in Orange, CA?
Dr. Michael Sy, MD is a Neurologist, who primarily practices in Orange, CA with 1 additional practice location. He is board certified. Dr. Sy is fluent in English, and is currently seeing new patients. Dr. Sy’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sy’s office at (949) 824-8816.
What languages does Dr. Sy speak?
Dr. Sy and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Sy treat?
As a Neurologist, Dr. Sy 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. Sy. 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.
Also known as:
- Multiple Sclerosis
- MS
- Demyelinating Disease
ICD-10 Codes:
- G35: Multiple sclerosis
Also known as:
- Neuromyelitis Optica
- Stiff-Person Syndrome
- Autoimmune Disease
- Optic Nerve Disorder
- Neuromyelitis optica
- Neuromuscular Disorder
- Spinal Cord Disease
- Hereditary hyperekplexia
- NMO', 'Devic's Disease
- Stiff-Man Syndrome
- SPS
- Moersch-Woltman Syndrome
ICD-10 Codes:
- G360: Neuromyelitis optica [Devic]
- G2582: Stiff-man syndrome
Also known as:
- Demyelinating Disease of Central Nervous System
- MOG Antibody Disease
- Demyelinating Disease
- Degenerative Nerve Disease
- CNS Demyelination
- Nerve Sheath Damage in Brain/Spine
- Myelin Loss Disorder
- MOGAD
- MOG-Associated Disease
- Myelin Antibody Disorder
- Nerve sheath damage
- CNS demyelination
- Myelin loss
ICD-10 Codes:
- G379: Demyelinating disease of central nervous system, unspecified
- G3781: Myelin oligodendrocyte glycoprotein antibody disease
- G378: Other specified demyelinating diseases of central nervous system
- G3789: Other specified demyelinating diseases of central nervous system
Also known as:
- Acute Transverse Myelitis
- Neurologic Disease
- Spinal Cord Disease
- ATM
- Spinal cord inflammation
- Myelitis
ICD-10 Codes:
- G373: Acute transverse myelitis in demyelinating disease of central nervous system
Also known as:
- Chronic Migraine without Aura
- Migraine
- Transformed migraine
- Daily chronic headache
- Persistent migraine
ICD-10 Codes:
- G43709: Chronic migraine without aura, not intractable, without status migrainosus
Also known as:
- Optic Nerve Inflammation
- Optic Nerve Disorder
- Optic Neuritis
- Swollen Optic Nerve
- Inflamed Optic Nerve
ICD-10 Codes:
- H469: Unspecified optic neuritis
Also known as:
- Non-Hereditary Low Immunoglobulin Levels
- Selective IgG Subclass Deficiency
- Immune System and Disorder
- Acquired Antibody Deficiency
- Non-Genetic Immune Deficiency
- Immunoglobulin G Subclass Deficiency
- IgG Subclass Deficiency
ICD-10 Codes:
- D801: Nonfamilial hypogammaglobulinemia
- D803: Selective deficiency of immunoglobulin G [IgG] subclasses
Also known as:
- Long COVID
- COVID-19 (Coronavirus Disease 2019)
- Post-COVID Syndrome
- Long-Haul COVID
- Chronic COVID
ICD-10 Codes:
- U099: Post COVID-19 condition, unspecified
Also known as:
- Seizures
- Convulsions
- Epileptic events
- Fits
ICD-10 Codes:
- G4089: Other seizures
Also known as:
- Walking and Mobility Problems
- Walking Problems
- Gait Abnormalities
- Trouble Moving
- Mobility Issues
ICD-10 Codes:
- R269: Unspecified abnormalities of gait and mobility
Also known as:
- Immune Deficiency
- Immune System and Disorder
- Weak Immune System
- Immune System Disorder
ICD-10 Codes:
- D849: Immunodeficiency, unspecified
Also known as:
- Multiple Nerve Damage
- Peripheral Nerve Disorder
- Polyneuropathy
- Generalized Nerve Damage
- Widespread Neuropathy
ICD-10 Codes:
- G629: Polyneuropathy, unspecified
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- Cancer Chemotherapy
- Chemo treatment
- Oncology chemotherapy
- Cancer drug therapy
ICD-10 Codes:
- Z5111: Encounter for antineoplastic chemotherapy
Also known as:
- Trigeminal Neuralgia
- Tic Douloureux
- Facial Nerve Pain
ICD-10 Codes:
- G500: Trigeminal neuralgia
Which procedures does Dr. Sy perform as a Neurologist?
As a Neurologist, procedures performed by a Dr. Michael Sy 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
For detailed information, please contact Dr. Sy's office.
Does Dr. Sy accept my insurance?
Dr. Sy accepts most major insurance plans. Important: Please call our office at (949) 824-8816 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sy accept in Orange, CA?
Dr. Sy in Orange, 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
Blue Shield of California
CalOptima
Centene
CVS Health (formerly Aetna)
Medicare
Monarch HealthCare
OptumRx
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Sy's office located?
What is Dr. Sy's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sy's National Provider Identifier (NPI) number is 1376835629.
What common questions do patients ask about Dr. Sy?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sy
What is Dr. Michael Sy's specialty?
Dr. Sy is a Neurologist near Orange, CA.
A neuropathologist is expert in the diagnosis of diseases of the nervous system and skeletal muscles and functions as a consultant primarily to neurologists and neurosurgeons. The neuropathologist is knowledgeable in the infirmities of humans as they affect the nervous and neuromuscular systems, be they degenerative, infectious, metabolic, immunologic, neoplastic, vascular or physical in nature.
Contact Dr. Sy to book an appointment today.Is this Dr. Michael Sy affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Sy is affiliated with Uci Medical Center which is a Castle Connolly Top Hospital. 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
Where can I learn more about Neurologist?
Explore Neurologist with 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 Michael Sy accepting new patients in Orange, CA?
Yes, Dr. Michael Sy is accepting new patients at this time.
Does Dr. Michael Sy offer online booking?
Please contact Dr. Sy's office at (949) 824-8816 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Michael Sy?
Please contact Dr. Sy's office at (949) 824-8816 for information regarding telehealth appointment availability or for scheduling assistance.
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