ELIZABETH MAE LEY FNP
NPI 1699416610
Nurse Practitioner - Family in Chesterfield, MO

Active since April 05, 2022PECOS EnrolledAccepts Medicare Assignment
15740 S OUTER 40 RD, CHESTERFIELD, MO 63017(636) 735-4755(636) 237-4133 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 5, 2026, Jan 4, 2024, Jun 13, 2023 and 1 more (4 updates tracked since 2022).

About Elizabeth Mae Ley Fnp NPPES

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

ELIZABETH MAE LEY FNP (NPI 1699416610) is an individual family provider in Chesterfield, Missouri, licensed in Missouri (2022009495) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1699416610
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameELIZABETH MAE LEYCredential: FNP
Location Address15740 S OUTER 40 RDChesterfield, MO 63017-2004
Mailing Address15740 S Outer 40 RdChesterfield, MO 63017-2004 · (636) 735-4755 · Fax (636) 237-4133
Fax(636) 237-4133
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 5, 2022
Last NPPES UpdateMarch 5, 20264 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
NPI 1699416610 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 · 2022009495
15740 S OUTER 40 RD, Chesterfield, MO 63017

Other Names 1

Former Name (1)Elizabeth Mcclure

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 and accepts Medicare assignment

Elizabeth Mae Ley Fnp 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.

PECOS PAC ID9537549936
PECOS Enrollment IDI20220701000539
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.

Areas of Expertise CMS Part B claims 7

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.
78 services76 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
44 services43 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
38 services38 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
22 services16 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
15 services14 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

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 20

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

Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Family Medicine
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Psychiatry & Neurology (Neurology)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Nurse Practitioner (Family)
15740 S OUTER 40 RD
CHESTERFIELD, MO 63017
Counselor (Professional)
15740 S OUTER 40 RD
CHESTERFIELD, 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 Elizabeth Ley's NPI number?

The NPI number for Elizabeth Ley is 1699416610. It was assigned to this individual provider in the NPPES registry on April 5, 2022. The provider is also known as Elizabeth Mcclure.

Where is Elizabeth Ley located?

Elizabeth Ley practices at 15740 S Outer 40 Rd, Chesterfield, MO 63017. The listed phone number is (636) 735-4755.

What is Elizabeth Ley's specialty?

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

Is Elizabeth Ley enrolled in Medicare?

Yes. Elizabeth Ley 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.

What insurance does Elizabeth Ley accept?

Health plans from Medica list Elizabeth Ley 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 Elizabeth Ley affiliated with any hospitals?

According to CMS data, Elizabeth Ley is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Elizabeth Ley was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.