
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ko, Neurologist in San Francisco, CA?
Dr. Nerissa Ko, MD is a Neurologist, who primarily practices in San Francisco, CA. She is board certified. Dr. Ko graduated from University of Hawaii and completed her residency at Univ Ca Sf Sch Of Med, Neurology. Dr. Ko is fluent in English, Spanish, and Tagalog, and is currently seeing new patients. Dr. Ko’s practice accepts Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ko’s office.
What are Areas of Expertise for Dr. Ko?
Dr. Nerissa Ko, MD is a highly-rated, board-certified Neurologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ko empowers patients to confidently navigate their health journey, specializing in Aneurysm-Cerebral, Arteriovenous Malformations, Cerebrovascular Disease, Critical Care, Hospital Medicine, Stroke, Vascular Neurology, and comprehensive wellness support. Serving the San Francisco, CA community, Dr. Ko is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Ko go to medical school and complete their residency?
Fellowship: UCSF, Critical Care Medicine | UCSF, Neurovascular/Critical Care | UCSF, Neurovascular/Critical Care
Residency: Univ Ca Sf Sch Of Med, Neurology | University of California, San Francisco
Medical School: University of Hi John A Burns Sch of Med, Honolulu Hi | University of Hawaii
Is Dr. Ko board certified as a Neurologist?
Yes, Dr. Nerissa Ko, MD is board certified by the American Board of Psychiatry and Neurology , American Board of Urology
What languages does Dr. Ko speak?
Dr. Ko and their clinical team can communicate with patients in the following languages:
English
Spanish
Tagalog
What conditions does a Neurologist like Dr. Ko typically treat?
As a Neurologist, Dr. Ko 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. Ko. 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:
- Carotid Artery Disease
- Carotid Stenosis
- Blocked Carotid Artery
- Neck Artery Disease
- Carotid Artery Narrowing
ICD-10 Codes:
- I6523: Occlusion and stenosis of bilateral carotid arteries
Also known as:
- Ischemic Stroke
- Hemorrhagic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
- Brain Bleed
- Cerebral Hemorrhage
- Intracranial Hemorrhage
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
- I609: Nontraumatic subarachnoid hemorrhage, unspecified
- I608: Other nontraumatic subarachnoid hemorrhage
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- Left Carotid Artery Disease
- Carotid Artery Disease
- Left Carotid Artery Stenosis
- Narrowed Left Carotid Artery
- Left Carotid Artery Blockage
ICD-10 Codes:
- I6522: Occlusion and stenosis of left carotid artery
Also known as:
- Other Abnormality of Brain Blood Vessels
- Birth Defects
- Cerebral Vascular Malformations
- Congenital Brain Vessel Anomalies
- Brain Blood Vessel Defects
ICD-10 Codes:
- Q283: Other malformations of cerebral vessels
Also known as:
- Seizures
- Epilepsy
- Convulsions
- Fits
ICD-10 Codes:
- R569: Unspecified convulsions
Does Dr. Ko accept my insurance?
Dr. Ko accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ko accept in San Francisco, CA?
Dr. Ko in San Francisco, 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
Centene Corporation
Community Health Network of Washington
Health Plan of San Joaquin
Hill Physicians Medical Group
Other Health Care Provider
Santa Cruz County
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Ko's office located?

UCSF Neurovascular Disease and Stroke Center
400 Parnassus Avenue, Floor 8
San Francisco, CA 94143
What is Dr. Ko's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ko's National Provider Identifier (NPI) number is 1821029059.
What common questions do patients ask about Dr. Ko?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ko
What is Dr. Nerissa Ko's specialty?
Dr. Ko is a Neurologist near San Francisco, CA.
What does a Neurologist do?
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.
Is this Dr. Nerissa Ko affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ko is affiliated with Ucsf Medical Center At Parnassus 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
When to see a Neurologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a 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 Nerissa Ko accepting new patients in San Francisco, CA?
Yes, Dr. Nerissa Ko is accepting new patients at this time.
Does Dr. Nerissa Ko offer online booking?
Please contact Dr. Ko's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Nerissa Ko?
Please contact Dr. Ko's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Nerissa Ko have?
Dr. Nerissa Ko is certified by the American Board of Psychiatry and Neurology and American Board of Urology.
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UCSF Neurovascular Disease and Stroke Center
400 Parnassus Avenue, Floor 8
San Francisco, CA 94143