MS. MARGARET M KAVANAUGH ANP
NPI 1689974388
Nurse Practitioner in Saint Louis, MO
About Ms. Margaret M Kavanaugh Anp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARGARET M KAVANAUGH ANP (NPI 1689974388) is an individual nurse practitioner in Saint Louis, Missouri, licensed in Missouri (2010037212) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Margaret M Kavanaugh Anp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Kavanaugh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 1,133 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 63108 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.
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
SAINT LOUIS, MO 63108
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 Kavanaugh's NPI number?
The NPI number for Margaret Kavanaugh is 1689974388. It was assigned to this individual provider in the NPPES registry on October 27, 2010.
Where is Margaret Kavanaugh located?
Margaret Kavanaugh practices at 4500 Forest Park Ave Div Im Bone Marrow Transplant, 5th, 6th, 8th Fl, Saint Louis, MO 63108. The listed phone number is (314) 454-8304.
What is Margaret Kavanaugh's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Margaret Kavanaugh enrolled in Medicare?
Yes. Margaret Kavanaugh is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Kavanaugh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Kavanaugh reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Kavanaugh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Kavanaugh was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.