Physician Profile
Marco D. Castro, M.D.
Unclaimed ProfileAbout Dr. Castro
Marco D. Castro, M.D. practices neurology in Fairfax, VA. Marco is a 1991 graduate of Georgetown University School of Medicine. Marco is also listed as specializing in neurology / psychiatry and clinical neurophysiology. According to Medicare claims data, Marco cared for 1,594 Medicare patients across 1,842 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, electrocardiogram (ecg) 1 to 3 leads with review by physician, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
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
Most searched conditions
- Alzheimer's disease
- Epilepsy
- Migraines
- Multiple sclerosis
- Neuropathy
- Parkinson's disease
Headache and facial pain
- Tension headaches
- Trigeminal neuralgia
Memory and cognition
Movement disorders
- Essential tremor
- Huntington's disease
- Restless legs syndrome
Neuromuscular and peripheral nerve
- Amyotrophic lateral sclerosis
- Carpal tunnel
- Diabetic neuropathy
- Guillain-Barré syndrome
- Muscular dystrophy
- Myasthenia gravis
Seizures and epilepsy
- Functional seizures
Stroke and vascular
- Brain aneurysm
- Transient ischemic attack
Brain & Spine
- Severe back pain
Brain tumors
- Brain Tumor Symptoms
Head & Facial Pain
- Cluster Headaches
Memory & Cognitive
- Normal Pressure Hydrocephalus
Movement Disorders
- Balance Problems and Ataxia
- Stiff neck
- Stiff Person Syndrome
- Tourette Syndrome and Tics
Nerve Compression
- Sciatica
Sleep & Movement
- Narcolepsy
Spine and nerve
Spine, brain injury, and functional
- Bell's palsy
- Concussion
Procedures & services
Most searched procedures
- Botox for migraines
- EEG
- EMG
- Nerve block
- Sleep study
Consultation and testing
- Ambulatory EEG
- Evoked-potential testing
- Nerve-conduction studies
Consultations & Exams
- Neurological Second Opinion
- Spasticity Assessment and Treatment
- Stroke Risk Evaluation
Consultations and exams
- Neurological Exam and Consultation
Device management
- Deep Brain Stimulation Adjustment
- Responsive Neurostimulator Programming
Diagnostic Testing
- Cognitive and memory screening
- Genetic Testing for Neurological Disorders
- Neuromuscular Ultrasound
- Neuropsychological Testing
- Normal Pressure Hydrocephalus Tap Test
- Tilt Table Test
Infusion and medical therapies
- Neurology Infusion Therapy
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
- Seizure Medication Management
Neuromodulation
- Baclofen Pump Programming and Refills
- Vagus nerve stimulation management
Office procedures
- Lumbar puncture
- Occipital nerve block
Trauma & Injury
- Concussion Evaluation and Baseline Testing
- Concussion Return-to-Play Clearance
Procedures Most Often Billed to Medicare
1,842 services · 1,594 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Electrocardiogram (ecg) 1 to 3 leads with review by physician | Treatment | 93040 |
312 | More than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and asleep | Treatment | 95819 |
167 | More than most peers in Neurology |
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
76 | More often than most peers in Neurology |
| Measurement of brain wave activity (eeg), 12-26 hours | Treatment | 95708 |
69 | More often than most peers in Neurology |
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
63 | As often as other peers in Neurology |
| Measurement of brain wave activity (eeg), continuous | Treatment | 95700 |
54 | More often than most peers in Neurology |
| Exam of neurobehavioral status, first hour | Treatment | 96116 |
45 | As often as other peers in Neurology |
| Measurement of brain wave activity (eeg), 12-26 hours with health care professional review and report | Treatment | 95719 |
42 | More often than most peers in Neurology |
| Nerve conduction, 7-8 studies | Treatment | 95910 |
14 | |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
11 |
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 — 22 related providers in 3 groups
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Electrocardiogram (ecg) 1 to 3 leads with review by physician 6
Providers in VA who bill this service to Medicare most often.
Common questions
What is Marco D. Castro's specialty?
Marco D. Castro 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 can I find Marco D. Castro?
Marco D. Castro 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
How do I contact Marco D. Castro?
The number on file is (703) 876-0800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marco D. Castro's NPI number?
Marco D. Castro's National Provider Identifier is 1245209766. 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
What is Marco D. Castro's education?
Marco D. Castro attended Georgetown University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Marco D. Castro been practicing?
Marco D. Castro has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Marco D. Castro known for?
According to Medicare billing data, Marco D. Castro provides treatments such as electrocardiogram 1 to 3 leads with review by physician and measurement of brain wave activity , awake and asleep, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marco D. Castro confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marco D. Castro. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.