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SHANNON MICHELLE BAY FNP
NPI 1992367213
Nurse Practitioner - Family in Festus, MO

Active since July 08, 2019PECOS EnrolledAccepts Medicare Assignment
1400 US HIGHWAY 61 STE G50, FESTUS, MO 63028(314) 366-4874(314) 366-4875 Get Directions Write a Review

NPPES record last updated: August 12, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2022, Dec 23, 2020, Jul 8, 2019 (3 updates tracked since 2019).

About Shannon Michelle Bay Fnp NPPES

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

SHANNON MICHELLE BAY FNP (NPI 1992367213) is an individual family provider in Festus, Missouri, licensed in Missouri (2019021586) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Ste Genevieve County Memorial Hospital, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1992367213
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSHANNON MICHELLE BAYCredential: FNP
Location Address1400 US HIGHWAY 61 STE G50Festus, MO 63028-4142
Mailing Address1400 Us Highway 61 Ste G50Festus, MO 63028-4142 · (314) 366-4874 · Fax (314) 366-4875
Phone(314) 366-4874
Fax(314) 366-4875
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 8, 2019
Last NPPES UpdateAugust 12, 20223 updates tracked since enumeration
NPPES CertifiedAugust 12, 2022
✔ NPI 1992367213 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 · 2019021586
1400 US HIGHWAY 61 STE G50, Festus, MO 63028
Open in Google Maps ↗

Other Names 1

Former Name (1)Shannon Michelle Leftridge Fnp

Secondary Practice Location 1

Location 110296 Big Bend Rd Ste 206Saint Louis, MO 63122-6582 · Phone (314) 366-4874 · Fax (314) 366-4875

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

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 Michelle Bay 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 ID8022347285
PECOS Enrollment IDI20190912002764
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 Bay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Missouri Medical Providers LLC
77 mi
Family
2215 BROADWAY ST
Cape Girardeau, MO 63701
  • Reassigned Medicare billing, Missouri enrollment
  • 7 clinicians in this Medicare group
NPI 1043817323 (636) 725-1255

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 5

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.

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
42 services18 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.
34 services14 patients
Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426
Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.
31 services15 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
18 services11 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Ste Genevieve County Memorial Hospital

Critical Access Hospitals · Sainte Genevieve, MO
OwnershipGovernment - Hospital District or Authority
CMS Certification Number261330
Location800 Ste Genevieve Drive, PO Box 468Sainte Genevieve, MO 63670 · Ste. Genevieve County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63028 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.

SARAH EMILY BUCKNER RN, AGNP-C
Nurse Practitioner (Adult Health)
1400 US HIGHWAY 61 STE G50
FESTUS, MO 63028
Jefferson County (314) 366-4874

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 Shannon Bay's NPI number?

The NPI number for Shannon Bay is 1992367213. It was assigned to this individual provider in the NPPES registry on July 8, 2019. The provider is also known as Shannon Michelle Leftridge Fnp.

Where is Shannon Bay located?

Shannon Bay practices at 1400 Us Highway 61 Ste G50, Festus, MO 63028. The listed phone number is (314) 366-4874.

What is Shannon Bay's specialty?

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

Is Shannon Bay enrolled in Medicare?

Yes. Shannon Bay 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.

Which organization bills Medicare for Shannon Bay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Bay reassigns Medicare benefits to Missouri Medical Providers LLC (Cape Girardeau, 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 Shannon Bay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Bay accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 1 other insurer list Shannon Bay 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 Shannon Bay affiliated with any hospitals?

According to CMS data, Shannon Bay is affiliated with Ste Genevieve County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Shannon Bay was last updated on August 12, 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.