SHANNON SUZANNE GRAYEK AGPC, NP
NPI 1124764477
Nurse Practitioner - Adult Health in Chesterfield, MO

Q: What is Shannon Grayek's NPI number?

The NPI number for Shannon Grayek is 1124764477. It was assigned to this individual provider in the NPPES registry on May 10, 2022.

Q: What is Shannon Grayek's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Shannon Grayek was last updated on May 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 10, 2022PECOS EnrolledAccepts Medicare Assignment

15740 S OUTER 40 RD, CHESTERFIELD, MO 63017(636) 237-4700(314) 364-6350 Get Directions Write a Review

NPPES record last updated: May 10, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Shannon Suzanne Grayek Agpc, Np NPPES

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

SHANNON SUZANNE GRAYEK AGPC, NP (NPI 1124764477) is an individual adult health provider in Chesterfield, Missouri, licensed in Missouri (2022004494) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital South, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1124764477

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameSHANNON SUZANNE GRAYEKCredential: AGPC, NP

Location Address15740 S OUTER 40 RDChesterfield, MO 63017-2004

Mailing Address15740 S Outer 40 RdChesterfield, MO 63017-2004 · (636) 237-4700 · Fax (314) 364-6350

Phone(636) 237-4700

Fax(314) 364-6350

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateMay 10, 2022

NPPES CertifiedMay 10, 2022

✔ NPI 1124764477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in MO · 2022004494

Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 2022004494 (MO)

15740 S OUTER 40 RD, Chesterfield, MO 63017

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Shannon Suzanne Grayek Agpc, Np 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 ID8527440957

PECOS Enrollment IDI20220802002721

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 Shannon Grayek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mercy Aco Clinical Services Inc

Same address

Neurology

15740 S OUTER 40 RD
Chesterfield, MO 63017

Reassigned Medicare billing, Missouri enrollment
263 clinicians in this Medicare group

NPI 1063965093 (636) 237-4200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260077

Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County

Emergency services

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.

MRS. ELIZABETH ANN CURTIS FNP-C

Nurse Practitioner (Family)