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Edit this profileAt a glance
- 3020 Hamaker CT, Suite 400, Fairfax, VA 22031
About Dr. Simsarian
James P. Simsarian, M.D. practices neurology in Fairfax, VA. James is also listed as specializing in clinical neurophysiology and neurology / psychiatry. According to Medicare claims data, James cared for 1,852 Medicare patients across 91,029 services. The services billed most often include injection, ocrelizumab, 1 mg, injection, methylprednisolone sodium succinate, 5 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1235108986.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (703) 876-0800
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
3020 HAMAKER CT SUITE 400
Fairfax, VA 22031
Conditions Commonly Evaluated or Treated
Within Neurology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Brain & memory
Specialized neurologic care
Spine, brain injury, and functional
Most searched conditions
Headache and facial pain
Memory and cognition
Movement disorders
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
Stroke and vascular
Brain & Spine
Brain tumors
Head & Facial Pain
Memory & Cognitive
Movement Disorders
Nerve Compression
Sleep & Movement
Spine and nerve
Procedures & services
Consultation and testing
- Comprehensive neurologic examination
- Inpatient video EEG monitoring
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Device and advanced subspecialty
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Geriatric care
Office procedures
- Botulinum toxin injections for chronic migraine
- Botulinum toxin injections for dystonia or spasticity
- Lumbar puncture
- Occipital nerve block
Pain & wellness
Treatment management
- Epilepsy medication management
- Migraine preventive treatment
- Multiple sclerosis disease-modifying treatment
Most searched procedures
Consultations & Exams
Consultations and exams
Device management
Infusion and medical therapies
Infusions & Therapies
- IVIG Infusion Therapy
- Migraine Preventive Injections and Infusions
- MS Disease-Modifying Infusion Therapy
- Plasmapheresis
Injections & Pain Relief
- Botox Injections for Excessive Drooling
- Botox Injections for Muscle Spasms and Dystonia
- Trigger Point Injections
Medication Management
Neuromodulation
Trauma & Injury
Procedures Most Often Billed to Medicare
91,029 services · 1,852 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
246 | More often than most peers in Neurology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
205 | More often than most peers in Neurology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
194 | More than most peers in Neurology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
171 | More often than most peers in Neurology |
| Injection of drug or substance into vein | Treatment | 96374 |
146 | Too few peers to compare |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
110 | More often than most peers in Neurology |
| Electrocardiogram (ecg) 1 to 3 leads with review by physician | Treatment | 93040 |
89 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
59 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
25 | As often as other peers in Neurology |
| Ultrasound of leg arteries at rest and after exercise | Treatment | 93924 |
20 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other neurologists at this location 6
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other neurologists in Fairfax 4
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 1966 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of both sides of head and neck blood flow 6
Providers in VA who bill this service to Medicare most often.
Common questions
What does James P. Simsarian specialize in?
James P. Simsarian is a neurologist in Fairfax, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurology”.
NPI registry
Where is James P. Simsarian located?
James P. Simsarian is listed at 3020 Hamaker CT Suite 400, Fairfax, VA 22031. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is James P. Simsarian's phone number?
The number on file is (703) 876-0800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James P. Simsarian's NPI number?
James P. Simsarian's National Provider Identifier is 1235108986. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did James P. Simsarian train?
James P. Simsarian attended Other, graduating in 1966. This comes from the CMS National Downloadable File.
CMS public data
How long has James P. Simsarian been practicing?
James P. Simsarian has 60 years experience. Calculated from a graduation year of 1966, reported in the CMS National Downloadable File.
CMS public data
What does James P. Simsarian do most often?
According to Medicare billing data, James P. Simsarian provides treatments such as ultrasound of both sides of head and neck blood flow and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has James P. Simsarian confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James P. Simsarian. If this is you, claiming it is free.
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