MARGARET WILLOUGHBY FNP
NPI 1407400310
Nurse Practitioner - Family in Pittsburgh, PA
About Margaret Willoughby Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET WILLOUGHBY FNP (NPI 1407400310) is an individual family provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (SP026806) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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 (PECOS)
Margaret Willoughby Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Margaret Willoughby reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15218
- Reassigned Medicare billing, Pennsylvania enrollment
- 30 clinicians in this Medicare group
Leesburg, VA 20176
- Reassigned Medicare billing, Virginia enrollment
- 276 clinicians in this Medicare group
Woonsocket, RI 02895
- Reassigned Medicare billing, Pennsylvania enrollment
- 122 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15218 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15218
PITTSBURGH, PA 15218
PITTSBURGH, PA 15218
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 Willoughby's NPI number?
The NPI number for Margaret Willoughby is 1407400310. It was assigned to this individual provider in the NPPES registry on July 29, 2019.
Where is Margaret Willoughby located?
Margaret Willoughby practices at 1789 S Braddock Ave, Pittsburgh, PA 15218. The listed phone number is (412) 247-2310.
What is Margaret Willoughby's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Willoughby enrolled in Medicare?
Yes. Margaret Willoughby is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Margaret Willoughby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Willoughby reassigns Medicare benefits to 3 organizations: Metro Family Practice, Inc. (Pittsburgh, PA), Minuteclinic Diagnostic Of Virginia LLC (Leesburg, VA) and Minuteclinic Video Virtual Care, PLLC (Woonsocket, RI). 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 Margaret Willoughby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Willoughby accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Margaret Willoughby 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.
When was this NPI record last updated?
The NPPES record for Margaret Willoughby was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.