MS. MARGARET M KAVANAUGH ANP
NPI 1689974388
Nurse Practitioner in Saint Louis, MO

Active since October 27, 2010PECOS Enrolled
79.29/100
CMS Quality Rating
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL, SAINT LOUIS, MO 63108(314) 454-8304(314) 454-5902 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Dec 9, 2022 and 3 more (6 updates tracked since 2016).

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

NPI1689974388
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. MARGARET M KAVANAUGHCredential: ANP
Location Address4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FLSaint Louis, MO 63108-2114
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-8304 · Fax (314) 454-5902
Fax(314) 454-5902
Sole ProprietorNo
Enumeration DateOctober 27, 2010
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
✔ NPI 1689974388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MO · 2010037212
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
4500 FOREST PARK AVE, Saint Louis, MO 63108

Other Identifiers 1

Medicaid424371102MO

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Multi-Specialty
660 S EUCLID AVE
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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
417 services189 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
176 services83 patients

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.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

Nurse Practitioner
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
Internal Medicine (Medical Oncology)
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
Pharmacist
4500 FOREST PARK AVE
SAINT LOUIS, MO 63108
Nurse Practitioner (Family)
4500 FOREST PARK AVE, DIV SURG ONCOLOGY, 5TH FL
SAINT LOUIS, MO 63108
Nurse Practitioner (Adult Health)
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
Urology
4500 FOREST PARK AVE, DIV SURG UROLOGY, 5TH FL
SAINT LOUIS, MO 63108
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
Physician Assistant
4500 FOREST PARK AVE, DEPT NEUROLOGICAL SURGERY, STE 1B
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.