MARGARET WILLIS N.P
NPI 1578769568
Nurse Practitioner - Obstetrics & Gynecology in Charlottesville, VA
About Margaret Willis N.p NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET WILLIS N.P (NPI 1578769568) is an individual obstetrics & gynecology provider in Charlottesville, Virginia, licensed in Virginia (0001112082) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Sentara Martha Jefferson Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses 3
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
Margaret Willis N.p 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 Margaret Willis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Arlington, VA 22203
- Reassigned Medicare billing, Virginia enrollment
- 1,315 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 4
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.
Sentara Martha Jefferson Hospital
Acute Care Hospitals · Charlottesville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22911 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHARLOTTESVILLE, VA 22911
CHARLOTTESVILLE, VA 22911
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 Margaret Willis's NPI number?
The NPI number for Margaret Willis is 1578769568. It was assigned to this individual provider in the NPPES registry on June 26, 2007.
Where is Margaret Willis located?
Margaret Willis practices at 600 Peter Jefferson Pkwy Ste 190, Charlottesville, VA 22911. The listed phone number is (434) 220-8620.
What is Margaret Willis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Margaret Willis enrolled in Medicare?
Yes. Margaret Willis 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 Margaret Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Willis reassigns Medicare benefits to Privia Medical Group, LLC (Arlington, 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 Margaret Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Willis accept?
Health plans from Oscar Health list Margaret Willis 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 Margaret Willis affiliated with any hospitals?
According to CMS data, Margaret Willis is affiliated with Sentara Martha Jefferson Hospital.
When was this NPI record last updated?
The NPPES record for Margaret Willis was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Margaret Willis, N.P · NPI 1578769568
Obstetrics & Gynecology physician in Charlottesville, Virginia. Individual provider, active in the CMS NPPES registry since June 26, 2007.
## Identity
- **NPI:** 1578769568 (Entity type: Individual)
- **Enumerated:** June 26, 2007
- **Primary specialty:** Nurse Practitioner - Obstetrics & Gynecology · taxonomy 363LX0001X
- **State license:** 0001112082 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 PETER JEFFERSON PKWY STE 190, Charlottesville, VA 22911-8835
- **Phone:** (434) 220-8620 · **Fax:** (434) 220-8625
## 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:** Privia Medical Group, LLC (NPI 1013042480, Arlington, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** July 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1578769568) · Data from the CMS NPPES public registry.