Our experienced neurologists and dedicated team of residents provide specialized care for a range of neurological conditions. We offer two specialized clinics to address your unique needs: the Multiple Sclerosis (MS) Clinic and the Movement Disorders Clinic.

Movement Disorders Clinic
The Movement Disorders Clinic at Alertive Health Care specializes in the diagnosis and treatment of conditions such as Parkinson's disease, dystonia, and other movement disorders. Our neurologists utilize advanced diagnostic techniques and evidence-based treatments, including Botox therapy, to effectively manage symptoms and improve your overall well-being. We are committed to providing compassionate care and support to help you navigate the challenges of living with a movement disorder.
Multiple Sclerosis (MS) Clinic
Our MS Clinic offers comprehensive care for individuals with multiple sclerosis and related conditions. Our team of experts, including two experienced neurologists, will conduct a thorough assessment to diagnose and develop a personalized treatment plan tailored to your specific needs. We offer the latest disease-modifying therapies and supportive care to help you manage symptoms, slow disease progression, and maintain the highest possible quality of life.



Dr. Jay Rosenberg, Neurologist
Jay Rosenberg, MD, specializes in Neurology with a focus on Multiple Sclerosis. He received his medical education from Georgetown University School of Medicine and completed his internship and residency at the University of Southern California Medical Center. Dr. Rosenberg is board-certified by the National Board of Medical Examiners and the American Board of Psychiatry and Neurology. He has developed a specialized Multiple Sclerosis Clinic and is an active member of the American Academy of Neurology, the San Diego Neurosciences Society, and the Consortium of Multiple Sclerosis Societies.
Dr. David Song, Neurologist
David Song, MD, specializes in Neurology, with a focus on Movement Disorders and Parkinson's Disease. He is a board-certified neurologist and serves as the Director of the Neurology Training Program at Riverside Community Hospital. Dr. Song is also a clinical professor and the Director of the Movement Disorders Clinic. He is an active member of the American Academy of Neurology, the Parkinson's Study Group, the Movement Disorder Society, and the North American Multiple System Atrophy Study Group. Dr. Song is fluent in both English and Korean.

About Multiple Sclerosis (MS)
Multiple sclerosis (MS) is a disease that damages the protective covering (myelin) of nerves in the brain and spinal cord. This disrupts communication between the brain and the rest of the body, leading to a variety of symptoms.
MS symptoms vary from person to person and depend on the location and severity of nerve damage. Common symptoms include:
- Numbness or tingling in the limbs
- Muscle weakness
- Trouble with balance and coordination
- Vision problems (blurred vision, double vision)
- Fatigue
- Cognitive difficulties (memory problems, trouble concentrating)
The exact cause of MS is unknown, but it is believed to be an autoimmune disease where the body's immune system mistakenly attacks its own myelin.
Currently, there is no cure for MS. However, treatments are available to help manage symptoms, slow the progression of the disease, and speed recovery from attacks.
MS is classified into different types based on the pattern of symptoms and disease progression:
- Relapsing-remitting MS: This is the most common type, characterized by periods of new symptoms (relapses) followed by periods of recovery (remissions).
- Secondary-progressive MS: In this type, people initially have relapsing-remitting MS, but then develop a steady progression of symptoms with or without relapses.
- Primary-progressive MS: This type involves a gradual onset and steady progression of symptoms without relapses.
- Clinically isolated syndrome (CIS): This refers to a first episode of neurological symptoms that could indicate MS. Further testing is needed to confirm a diagnosis.
- Radiologically isolated syndrome (RIS): This refers to MRI findings suggestive of MS in someone without symptoms.
While there's no known way to prevent MS, research suggests that certain factors like vitamin D levels, smoking, and obesity may play a role in disease development.
You can find reliable information and support from organizations like the National Multiple Sclerosis Society (NMSS) and the Multiple Sclerosis Association of America (MSAA).
About Movement Disorders
Movement disorders are neurological conditions that affect the way you move. They can cause either:
- Increased movement: This might include tremors (shaking), tics, dystonia (muscle spasms and twisting), or chorea (jerky, involuntary movements).
- Reduced or slow movement: This is common in conditions like Parkinson's disease, where movements become slow and rigid.
- Ataxia: Affects coordination, balance, and speech.
- Chorea: Causes involuntary, jerky movements, often seen in Huntington's disease.
- Dystonia: Leads to muscle spasms and twisting of the body. Cervical dystonia (affecting the neck) is common.
- Functional movement disorder: Resembles other movement disorders but isn't caused by neurological disease.
- Multiple system atrophy: A rare, progressive condition affecting movement, blood pressure, and other bodily functions.
- Myoclonus: Causes sudden, brief muscle jerks.
- Parkinson's disease: Causes tremors, slow movement, stiffness, and balance problems.
- Parkinsonism: A general term for slow movement, stiffness, and tremors. Parkinson's disease is one cause.
- Progressive supranuclear palsy: A rare condition affecting walking, balance, and eye movements.
- Restless legs syndrome: Causes uncomfortable sensations in the legs and an urge to move them.
- Tardive dyskinesia: Caused by certain medications, leading to involuntary movements of the face and body.
- Tourette syndrome: Causes tics, which are repetitive, involuntary movements and vocal sounds.
- Tremor: Rhythmic shaking of the hands, head, or other body parts. Essential tremor is a common type.
Many factors can contribute to movement disorders, including:
- Genetics: Some disorders, like Huntington's disease, are inherited.
- Medications: Certain medications can cause movement disorders as a side effect.
- Substance use: Illegal drugs or excessive alcohol use can contribute to movement disorders.
- Vitamin deficiencies: Lack of certain vitamins (like B1, B12, or E) can cause movement disorders.
- Medical conditions: Conditions like thyroid problems, multiple sclerosis, stroke, or brain tumors can cause movement disorders.
- Head injury: Trauma to the head can lead to movement disorders.
- Unknown causes: In many cases, the cause of a movement disorder is unknown (idiopathic).
- Family history: Having a family member with a movement disorder increases your risk for certain types.
- Medical conditions: Certain medical conditions can increase your risk.
- Medications: Some medications carry a risk of movement disorders as a side effect.
- Lifestyle factors: Substance use and vitamin deficiencies can increase your risk.
There are treatments that can help manage the symptoms of movement disorders. These may include:
- Medications: Different medications can help with various movement disorders.
- Therapies: Physical therapy, occupational therapy, and speech therapy can be helpful.
- Surgery: In some cases, surgical procedures may be an option.
- Treating underlying conditions: If a medical condition is causing the movement disorder, treating that condition may improve symptoms.