DR. SAMANTHA LEIGH DIBENEDETTO MD
NPI 1295198695
Internal Medicine - Hematology & Oncology in Fairfax, VA
About Dr. Samantha Leigh Dibenedetto Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SAMANTHA LEIGH DIBENEDETTO MD (NPI 1295198695) is an individual hematology & oncology provider in Fairfax, Virginia, licensed in Virginia (0101278270) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
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
Dr. Samantha Leigh Dibenedetto 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.
Areas of Expertise CMS Part B claims 68
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, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAReston Hospital Center
Acute Care Hospitals · Reston, 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 11
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 Samantha Dibenedetto's NPI number?
The NPI number for Samantha Dibenedetto is 1295198695. It was assigned to this individual provider in the NPPES registry on April 1, 2016. The provider is also known as Dr. Samantha L Welniak MD.
Where is Samantha Dibenedetto located?
Samantha Dibenedetto practices at 8613 Route 29 # 200N, Fairfax, VA 22031. The listed phone number is (571) 350-8400.
What is Samantha Dibenedetto's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Samantha Dibenedetto enrolled in Medicare?
Yes. Samantha Dibenedetto 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.
Is Samantha Dibenedetto affiliated with any hospitals?
According to CMS data, Samantha Dibenedetto is affiliated with Inova Alexandria Hospital, Inova Fairfax Hospital, Inova Fair Oaks Hospital and Reston Hospital Center.
When was this NPI record last updated?
The NPPES record for Samantha Dibenedetto was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.