STEPHEN W REX MD
NPI 1861495871
Family Medicine in Alexandria, VA
About Stephen W Rex Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN W REX MD (NPI 1861495871) is an individual family medicine provider in Alexandria, Virginia, licensed in Virginia (0101051876) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through September 5, 2027, and is affiliated with Inova Alexandria Hospital.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Stephen W Rex Md 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 49D2065298
Stephen W Rex, MD, PLLC · Alexandria, VAAreas 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Alexandria Hospital
Acute Care Hospitals · Alexandria, VAVirginia Hospital Center
Acute Care Hospitals · Arlington, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22306 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALEXANDRIA, VA 22306
ALEXANDRIA, VA 22306
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 Stephen Rex's NPI number?
The NPI number for Stephen Rex is 1861495871. It was assigned to this individual provider in the NPPES registry on May 23, 2005.
Where is Stephen Rex located?
Stephen Rex practices at 8101 Hinson Farm Rd Ste 415, Alexandria, VA 22306. The listed phone number is (703) 799-9695.
What is Stephen Rex's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Stephen Rex enrolled in Medicare?
Yes. Stephen Rex 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.
Does Stephen Rex hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 49D2065298) is associated with this NPI, valid through September 5, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
Is Stephen Rex affiliated with any hospitals?
According to CMS data, Stephen Rex is affiliated with Inova Alexandria Hospital, Virginia Hospital Center, Inova Fairfax Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Rex was last updated on October 12, 2015. 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.