KATHERINE DUNCAN
NPI 1124414735
Anesthesiology in Falls Church, VA
About Katherine Duncan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE DUNCAN (NPI 1124414735) is an individual anesthesiology provider in Falls Church, Virginia, licensed in Texas (R8729) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Georgetown University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
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
Katherine Duncan 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 Reassignments
2Medicare enrollment records show Katherine Duncan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 455 clinicians in this Medicare group
Alexandria, VA 22306
- Reassigned Medicare billing, District of Columbia enrollment
- 634 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
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fairfax Hospital
Acute Care Hospitals · Falls Church, 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FALLS CHURCH, VA 22042
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 Katherine Duncan's NPI number?
The NPI number for Katherine Duncan is 1124414735. It was assigned to this individual provider in the NPPES registry on April 9, 2015.
Where is Katherine Duncan located?
Katherine Duncan practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-3138.
What is Katherine Duncan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Katherine Duncan enrolled in Medicare?
Yes. Katherine Duncan 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 organizations bill Medicare for Katherine Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Duncan reassigns Medicare benefits to 2 organizations: American Anesthesiology Of Virginia PC (Falls Church, VA) and Northstar Anesthesia Of Virginia, LLC (Alexandria, VA). Each 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 Katherine Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Duncan accept?
Health plans from Blue Cross and Blue Shield of Texas list Katherine Duncan 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 Katherine Duncan affiliated with any hospitals?
According to CMS data, Katherine Duncan is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Katherine Duncan was last updated on May 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Katherine Duncan · NPI 1124414735
Anesthesiology physician in Falls Church, Virginia. Individual provider, active in the CMS NPPES registry since April 9, 2015.
## Identity
- **NPI:** 1124414735 (Entity type: Individual)
- **Enumerated:** April 9, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** R8729 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3300 GALLOWS RD, Falls Church, VA 22042-3307
- **Phone:** (703) 776-3138
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): American Anesthesiology Of Virginia PC (NPI 1417994872, Falls Church, VA); Northstar Anesthesia Of Virginia, LLC (NPI 1194488791, Alexandria, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** May 25, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1124414735) · Data from the CMS NPPES public registry.