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- 3020 Hamaker CT, Suite 400, Fairfax, VA 22031
About 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 clinical neurophysiology and neurology / psychiatry. 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. The provider's National Provider Identifier (NPI) is 1245209766.
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
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
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 | Less often than most peers in Neurology |
| Nerve conduction, 9-10 studies | Treatment | 95911 |
11 | Less often than most peers in Neurology |
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 — 20 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 4
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. Contact the office directly to confirm availability and scheduling.
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.
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