AN
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Nik, Vascular Neurologist in Fullerton, CA?
Dr. Andrew Nik, MD is a Vascular Neurologist, who primarily practices in Fullerton, CA with 2 additional practice locations. He is board certified. Dr. Nik is fluent in English, and is currently seeing new patients. Dr. Nik’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nik’s office at (949) 542-8002.
What languages does Dr. Nik speak?
Dr. Nik and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Nik treat?
As a Vascular Neurologist, Dr. Nik 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. Nik. 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:
- Alzheimer's Disease
- Alzheimer's Disease Fact Sheet
- AD', 'Alzheimer's Dementia
- Memory Loss Disease
ICD-10 Codes:
- G309: Alzheimer's disease, unspecified
Also known as:
- Memory Loss
- Memory
- Amnesia
- Forgetfulness
- Loss of Recall
ICD-10 Codes:
- R413: Other amnesia
Also known as:
- Parkinson's Disease without Involuntary Movements
- Parkinson's Disease
- Early Parkinson's', 'Non-dyskinetic Parkinsonism', 'Stable Parkinson's Disease
- PD
- Shaking Palsy
- Paralysis Agitans
ICD-10 Codes:
- G20A1: Parkinson's disease without dyskinesia, without mention of fluctuations
- G20: Parkinson's disease
Also known as:
- Ischemic Stroke
- Brain Attack
- Cerebral Infarction
- Brain Ischemia
ICD-10 Codes:
- I639: Cerebral infarction, unspecified
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:
- Hereditary Nerve Disorder
- Peripheral Nerve Disorder
- Genetic Neuropathy
- Idiopathic Neuropathy
- Inherited Nerve Damage
ICD-10 Codes:
- G609: Hereditary and idiopathic neuropathy, unspecified
Also known as:
- Skin Numbness
- Peripheral Nerve Disorder
- Loss of skin sensation
- Cutaneous anesthesia
- Numb skin
ICD-10 Codes:
- R200: Anesthesia of skin
Also known as:
- Mild Cognitive Impairment
- MCI
- Early Memory Loss
- Pre-Dementia
ICD-10 Codes:
- G3184: Mild cognitive impairment of uncertain or unknown etiology
Also known as:
- Epilepsy
- Seizure disorder
- Convulsive disorder
- Falling sickness
ICD-10 Codes:
- G40909: Epilepsy, unspecified, not intractable, without status epilepticus
Also known as:
- Seizures
- Epilepsy
- Convulsions
- Fits
ICD-10 Codes:
- R569: Unspecified convulsions
Also known as:
- Multiple Sclerosis
- MS
- Demyelinating Disease
ICD-10 Codes:
- G35: Multiple sclerosis
Also known as:
- Transient Ischemic Attack
- Mini-Stroke
- Warning Stroke
ICD-10 Codes:
- G459: Transient cerebral ischemic attack, unspecified
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Type 2 Diabetes with Diabetic Neuropathy
- Diabetes Type 2
- Diabetic Nerve Problems
- Type 2 diabetes
- Diabetic Neuropathy
- Diabetic Nerve Damage
- Diabetic Polyneuropathy
- Peripheral Neuropathy from Diabetes
- Diabetes Mellitus Nerve Problems
ICD-10 Codes:
- E1142: Type 2 diabetes mellitus with diabetic polyneuropathy
Also known as:
- Walking Problems
- Gait Abnormalities
- Difficulty Walking
- Unsteady Gait
- Balance Problems
ICD-10 Codes:
- R2689: Other abnormalities of gait and mobility
Also known as:
- Other Brain Blood Vessel Disease
- Brain Disease
- Cerebrovascular Disorder
- Brain Circulation Problem
- Brain Vascular Condition
ICD-10 Codes:
- I6789: Other cerebrovascular disease
Also known as:
- Headache
- Head pain
- Cephalalgia
- Tension headache
ICD-10 Codes:
- R519: Headache, unspecified
Also known as:
- Brain disease (encephalopathy)
- Brain Disease
- Brain disorder
- Brain dysfunction
- Encephalopathy
ICD-10 Codes:
- G9340: Encephalopathy, unspecified
Which procedures does Dr. Nik perform as a Vascular Neurologist?
As a Vascular Neurologist, procedures performed by a Dr. Andrew Nik 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. Nik's office.
Does Dr. Nik accept my insurance?
Dr. Nik accepts most major insurance plans. Important: Please call our office at (949) 542-8002 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Nik accept in Fullerton, CA?
Dr. Nik in Fullerton, 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)
Elevance Health Inc. (formerly Anthem)
Medicare
Monarch HealthCare
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Nik's office located?
Dr. Andrew Nik's Primary Practice
1950 Sunny Crest Dr Ste 2900
Fullerton, CA 92835
(949) 542-8002
What is Dr. Nik's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Nik's National Provider Identifier (NPI) number is 1316177520.
What common questions do patients ask about Dr. Nik?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Nik
What is Dr. Andrew Nik's specialty?
Dr. Nik is a Vascular Neurologist near Fullerton, CA. Vascular Neurology is a subspecialty focused on the evaluation, prevention, treatment, and recovery from vascular diseases affecting the nervous system. It encompasses the diagnosis, treatment and management of vascular events originating from arterial or venous sources, which can lead to various conditions impacting the brain or spinal cord, including ischemic stroke, intracranial hemorrhage, spinal cord ischemia, and spinal cord hemorrhage. Contact Dr. Nik to book an appointment today.
Is this Dr. Andrew Nik affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Nik is affiliated with Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach 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
Where can I learn more about Vascular Neurologist?
Explore Vascular 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 Andrew Nik accepting new patients in Fullerton, CA?
Yes, Dr. Andrew Nik is accepting new patients at this time.
Does Dr. Andrew Nik offer online booking?
Please contact Dr. Nik's office at (949) 542-8002 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andrew Nik?
Please contact Dr. Nik's office at (949) 542-8002 for information regarding telehealth appointment availability or for scheduling assistance.
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