Quick answers
- Which hospitals does Marco Castro work at?
- Medicare's official clinician data lists Marco Castro at 3 hospitals: Inova Alexandria Hospital, UVA Health Haymarket Medical Center and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marco Castro see patients?
- Medicare's clinician data lists 1 practice location in Fairfax, VA. Call before your visit to confirm the address.
- What is Marco Castro's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Marco Castro accept Medicare assignment?
- Yes. Medicare's clinician data says Marco Castro accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Marco Castro offer telehealth?
- Medicare's clinician data says Marco Castro offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Marco Castro's NPI number?
- 1245209766. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marco Castro works
Medicare's Facility Affiliation Data lists Marco Castro at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · CCN 490040
- UVA Health Haymarket Medical CenterHaymarket, VA · Acute Care Hospital · CCN 490144
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Marco Castro is enrolled with Medicare (CMS data updated 2026-10-02).
- 3020 Hamaker Ct, Suite 400Fairfax, VA 22031
Group practices
Medicare enrollment lists Marco Castro as a member of this group (CMS data updated 2026-10-02).
- Neurology Center of Fairfax, Ltd14 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Fairfax
Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245209766 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians