Quick answers
- Which hospitals does Gillian Harrison work at?
- Medicare's official clinician data lists Gillian Harrison at 5 hospitals: Adventist Healthcare Fort Washington Medical Ctr, Inova Alexandria Hospital, Inova Fairfax Hospital, Inova Mount Vernon Hospital and Sentara Northern Virginia Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gillian Harrison see patients?
- Medicare's clinician data lists 9 practice locations, including Alexandria, VA, Falls Church, VA and Dumfries, VA. Call before your visit to confirm the address.
- What is Gillian Harrison's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Gillian Harrison accept Medicare assignment?
- Yes. Medicare's clinician data says Gillian Harrison 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 Gillian Harrison offer telehealth?
- Medicare's clinician data says Gillian Harrison offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gillian Harrison?
- (703) 845-1500, as listed in official Medicare / NPI Registry data.
- What is Gillian Harrison's NPI number?
- 1528405180. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gillian Harrison works
Medicare's Facility Affiliation Data lists Gillian Harrison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Healthcare Fort Washington Medical CtrFort Washington, MD · Acute Care Hospital · CCN 210060
- Inova Alexandria HospitalAlexandria, VA · Acute Care Hospital · CCN 490040
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Mount Vernon HospitalAlexandria, VA · Acute Care Hospital · CCN 490122
- Sentara Northern Virginia Medical CenterWoodbridge, VA · Acute Care Hospital · CCN 490113
Practice locations
Addresses where Gillian Harrison is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1500 N Beauregard St, Suite 300Alexandria, VA 22311 (703) 845‑1500
- 2501 Parkers LnAlexandria, VA 22306
- 2501 Parkers Ln, Suite 114Alexandria, VA 22306 (571) 472‑6431
- 3300 Gallows RdFalls Church, VA 22042
- 3800 Fettler Park Dr, Suite 312Dumfries, VA 22025 (571) 472‑6791
Group practices
Medicare enrollment lists Gillian Harrison as a member of this group (CMS data updated 2026-10-02).
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Alexandria
Clinicians with the same Medicare primary specialty in Alexandria, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1528405180 |
| 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