Quick answers
- Which hospitals does Alexander I. Spira work at?
- Medicare's official clinician data lists Alexander I. Spira at 5 hospitals: Inova Fairfax Hospital, Inova Loudoun Hospital, Reston Hospital Center, Sentara Northern Virginia Medical Center and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander I. Spira see patients?
- Medicare's clinician data lists 2 practice locations, including Leesburg, VA and Fairfax, VA. Call before your visit to confirm the address.
- What is Alexander I. Spira's specialty?
- Medicare lists Medical Oncology as the primary specialty.
- Does Alexander I. Spira accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander I. Spira 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 Alexander I. Spira offer telehealth?
- Medicare's clinician data says Alexander I. Spira offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Alexander I. Spira?
- (703) 554-6800, as listed in official Medicare / NPI Registry data.
- What is Alexander I. Spira's NPI number?
- 1902874514. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander I. Spira works
Medicare's Facility Affiliation Data lists Alexander I. Spira at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
- Inova Loudoun HospitalLeesburg, VA · Acute Care Hospital · CCN 490043
- Reston Hospital CenterReston, VA · Acute Care Hospital · CCN 490107
- Sentara Northern Virginia Medical CenterWoodbridge, VA · Acute Care Hospital · CCN 490113
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Alexander I. Spira is enrolled with Medicare (CMS data updated 2026-10-02).
- 44035 Riverside Pkwy, Suite 300Leesburg, VA 20176 (703) 554‑6800
- 8613 Route 29Fairfax, VA 22031
Group practices
Medicare enrollment lists Alexander I. Spira as a member of this group (CMS data updated 2026-10-02).
- Virginia Cancer Specialists, P.C.82 clinicians in the group
Specialties
- Medical Oncologyprimary
Other oncologists in Virginia
Clinicians with the same Medicare primary specialty in Virginia — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1902874514 |
| 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