SHAYLYN MARVELL MD
NPI 1336887173
Emergency Medicine in Corinth, MS
About Shaylyn Marvell Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHAYLYN MARVELL MD (NPI 1336887173) is an individual emergency medicine provider in Corinth, Mississippi, licensed in Indiana (01096869A) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Evansville, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Accepted 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
Shaylyn Marvell Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Shaylyn Marvell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Booneville, MS 38829
- Reassigned Medicare billing, Mississippi enrollment
- 95 clinicians in this Medicare group
Seymour, IN 47274
- Reassigned Medicare billing, Indiana enrollment
- 598 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent Evansville
Acute Care Hospitals · Evansville, INMagnolia Regional Health Center
Acute Care Hospitals · Corinth, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38834 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CORINTH, MS 38834
CORINTH, MS 38834
CORINTH, MS 38834
CORINTH, MS 38834
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 Shaylyn Marvell's NPI number?
The NPI number for Shaylyn Marvell is 1336887173. It was assigned to this individual provider in the NPPES registry on May 23, 2022.
Where is Shaylyn Marvell located?
Shaylyn Marvell practices at 611 Alcorn Dr, Corinth, MS 38834. The listed phone number is (662) 293-1000.
What is Shaylyn Marvell's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Shaylyn Marvell enrolled in Medicare?
Yes. Shaylyn Marvell 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 organizations bill Medicare for Shaylyn Marvell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shaylyn Marvell reassigns Medicare benefits to 2 organizations: United Emergency Services, Inc. (Booneville, MS) and Cep America LLC (Seymour, IN). Each 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 Shaylyn Marvell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shaylyn Marvell accept?
Health plans from Cigna Healthcare list Shaylyn Marvell 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 Shaylyn Marvell affiliated with any hospitals?
According to CMS data, Shaylyn Marvell is affiliated with Ascension St Vincent Evansville and Magnolia Regional Health Center.
When was this NPI record last updated?
The NPPES record for Shaylyn Marvell was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.