WILLIE E. GREER M.D.
NPI 1922080522
Emergency Medicine in Meridian, MS
About Willie E. Greer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIE E. GREER M.D. (NPI 1922080522) is an individual emergency medicine provider in Meridian, Mississippi, licensed in Mississippi (05788) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Meridian.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Willie E. Greer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Willie Greer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- 173 clinicians in this Medicare group
Memphis, TN 38119
- Reassigned Medicare billing, Mississippi enrollment
- 81 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39301 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.
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 Willie Greer's NPI number?
The NPI number for Willie Greer is 1922080522. It was assigned to this individual provider in the NPPES registry on November 18, 2005.
Where is Willie Greer located?
Willie Greer practices at 1314 19th Ave, Meridian, MS 39301. The listed phone number is (601) 703-9260.
What is Willie Greer's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Willie Greer enrolled in Medicare?
Yes. Willie Greer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Willie Greer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Willie Greer reassigns Medicare benefits to 2 organizations: Anderson Physician Alliance, Inc (Meridian, MS) and Medical Services Of Meridian, Inc. (Memphis, TN). 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 Willie Greer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Willie Greer accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Willie Greer 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 Willie Greer was last updated on October 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.