DR. GREG E GASKI MD
NPI 1003017286
Orthopaedic Surgery in Fairfax, VA
About Dr. Greg E Gaski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREG E GASKI MD (NPI 1003017286) is an individual orthopaedic surgery provider in Fairfax, Virginia, licensed in Virginia (0101268243) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Fauquier Hospital, and is a graduate of Ohio State University College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
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. Greg E Gaski 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.
Medicare Billing Reassignment
Medicare enrollment records show Greg Gaski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 41 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 20
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.
Fauquier Hospital
Acute Care Hospitals · Warrenton, VAInova Loudoun Hospital
Acute Care Hospitals · Leesburg, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, 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.
Referred Medical Equipment & Supplies CMS DME claims 5
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 15
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 Greg Gaski's NPI number?
The NPI number for Greg Gaski is 1003017286. It was assigned to this individual provider in the NPPES registry on May 29, 2007.
Where is Greg Gaski located?
Greg Gaski practices at 8501 Arlington Blvd Ste 200, Fairfax, VA 22031. The listed phone number is (703) 970-6464.
What is Greg Gaski's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Greg Gaski enrolled in Medicare?
Yes. Greg Gaski 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 Greg Gaski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Greg Gaski reassigns Medicare benefits to Inova Health Care Services (Falls Church, 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 Greg Gaski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Greg Gaski accept?
Health plans from Oscar Health list Greg Gaski as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Greg Gaski affiliated with any hospitals?
According to CMS data, Greg Gaski is affiliated with Fauquier Hospital, Inova Loudoun Hospital and Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Greg Gaski was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.