DR. PETER LAI WEI M.D.
NPI 1043576614
Physical Medicine & Rehabilitation in Leesburg, VA
About Dr. Peter Lai Wei M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER LAI WEI M.D. (NPI 1043576614) is an individual physical medicine & rehabilitation provider in Leesburg, Virginia, licensed in Virginia (0101260002) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and is a graduate of University Of Maryland School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Peter Lai Wei 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 Peter Wei reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Alexandria, VA 22306
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 13 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 14
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAMedicare 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LANSDOWNE, VA 20176
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 Peter Wei's NPI number?
The NPI number for Peter Wei is 1043576614. It was assigned to this individual provider in the NPPES registry on April 8, 2012.
Where is Peter Wei located?
Peter Wei practices at 19440 Golf Vista Plz Ste 210, Leesburg, VA 20176. The listed phone number is (703) 729-1041.
What is Peter Wei's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Peter Wei enrolled in Medicare?
Yes. Peter Wei 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 Peter Wei's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Wei reassigns Medicare benefits to Mount Vernon Rehabilitation Medicine Associates (Alexandria, 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 Peter Wei's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Peter Wei affiliated with any hospitals?
According to CMS data, Peter Wei is affiliated with Inova Loudoun Hospital, Inova Fairfax Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Peter Wei was last updated on August 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.