MARGARET MARY WYNN FNP-C
NPI 1306306865
Nurse Practitioner - Family in Chesterfield, MO

Active since March 21, 2019PECOS Enrolled
15740 SOUTH OUTER ROAD, CHESTERFIELD, MO 63017(636) 237-4200 Get Directions Write a Review

NPPES record last updated: May 14, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 14, 2019, Mar 21, 2019 (2 updates tracked since 2019).

About Margaret Mary Wynn Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET MARY WYNN FNP-C (NPI 1306306865) is an individual family provider in Chesterfield, Missouri, licensed in Missouri (2018027826) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306306865
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARGARET MARY WYNNCredential: FNP-C
Location Address15740 SOUTH OUTER ROADChesterfield, MO 63017
Mailing Address15740 S Outer 40 RdChesterfield, MO 63017-2004 · (636) 735-4268
Sole ProprietorNo
Enumeration DateMarch 21, 2019
Last NPPES UpdateMay 14, 20192 updates tracked since enumeration
NPI 1306306865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MO · 2018027826
15740 SOUTH OUTER ROAD, Chesterfield, MO 63017

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Margaret Mary Wynn Fnp-c 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63017 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.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
15740 SOUTH OUTER ROAD
ST. LOUIS, MO 63017

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 Wynn's NPI number?

The NPI number for Margaret Wynn is 1306306865. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Margaret Wynn located?

Margaret Wynn practices at 15740 South Outer Road, Chesterfield, MO 63017. The listed phone number is (636) 237-4200.

What is Margaret Wynn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Margaret Wynn enrolled in Medicare?

Yes. Margaret Wynn is registered in the Medicare PECOS enrollment system.

What insurance does Margaret Wynn accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage, Medica, Octave and UnitedHealthcare list Margaret Wynn 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 Wynn was last updated on May 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.