ALEXANDER I SPIRA M.D.
NPI 1902874514
Internal Medicine - Medical Oncology in Fairfax, VA
About Alexander I Spira M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER I SPIRA M.D. (NPI 1902874514) is an individual medical oncology provider in Fairfax, Virginia, licensed in Virginia (0101234594) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of New York University School Of Medicine (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 13
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alexander I Spira M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alexander Spira reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 78 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 65
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAVirginia Hospital Center
Acute Care Hospitals · Arlington, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAReston Hospital Center
Acute Care Hospitals · Reston, VASentara Northern Virginia Medical Center
Acute Care Hospitals · Woodbridge, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Spira's NPI number?
The NPI number for Alexander Spira is 1902874514. It was assigned to this individual provider in the NPPES registry on March 9, 2006.
Where is Alexander Spira located?
Alexander Spira practices at 8613 Lee Hwy # 200N, Fairfax, VA 22031. The listed phone number is (032) 083-1557.
What is Alexander Spira's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Alexander Spira enrolled in Medicare?
Yes. Alexander Spira is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alexander Spira's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Spira reassigns Medicare benefits to Virginia Cancer Specialists, P.C. (Fairfax, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Spira's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Spira affiliated with any hospitals?
According to CMS data, Alexander Spira is affiliated with Inova Loudoun Hospital, Virginia Hospital Center, Inova Fairfax Hospital, Reston Hospital Center and Sentara Northern Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Spira was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.