MRS. ELISA ISTRE WALLS FNP-C
NPI 1558807917
Nurse Practitioner - Family in New Orleans, LA
About Mrs. Elisa Istre Walls Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ELISA ISTRE WALLS FNP-C (NPI 1558807917) is an individual family provider in New Orleans, Louisiana, licensed in Louisiana (AP08953) and active in the NPI registry since January 2017. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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)
Mrs. Elisa Istre Walls Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
7Medicare enrollment records show Elisa Walls reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Orleans, LA 70121
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Metairie, LA 70001
- Reassigned Medicare billing, Louisiana enrollment
- 9 clinicians in this Medicare group
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 240 clinicians in this Medicare group
Metairie, LA 70006
- Reassigned Medicare billing, Louisiana enrollment
- 9 clinicians in this Medicare group
Raceland, LA 70394
- Reassigned Medicare billing, Louisiana enrollment
- 32 clinicians in this Medicare group
Cut Off, LA 70345
- Reassigned Medicare billing, Louisiana enrollment
- 14 clinicians in this Medicare group
Morgan City, LA 70380
- Reassigned Medicare billing, Louisiana enrollment
- 95 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 70121 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.
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
NEW ORLEANS, LA 70121
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 Elisa Walls's NPI number?
The NPI number for Elisa Walls is 1558807917. It was assigned to this individual provider in the NPPES registry on January 10, 2017. The provider is also known as Elisa Theresa Istre Fnp-C.
Where is Elisa Walls located?
Elisa Walls practices at 1514 Jefferson Hwy, New Orleans, LA 70121. The listed phone number is (504) 842-3460.
What is Elisa Walls's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Elisa Walls enrolled in Medicare?
Yes. Elisa Walls is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Elisa Walls's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elisa Walls reassigns Medicare benefits to 7 organizations: Ochsner Clinic LLC (New Orleans, LA), Doctors After Hours Urgent Care & Walk In Clinic Clearview LLC (Metairie, LA), Belle Chasse Emergency Group LLC (New Orleans, LA), Doctors After Hours LLC (Metairie, LA), Raceland Emergency Group, LLC (Raceland, LA) and 2 more organizations, listed in the Medicare section above. 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 Elisa Walls's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elisa Walls accept?
Health plans from CHRISTUS Health Plan and HMO Louisiana list Elisa Walls 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 Elisa Walls was last updated on July 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mrs. Elisa Istre Walls, FNP-C · NPI 1558807917
Family physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since January 10, 2017.
## Identity
- **NPI:** 1558807917 (Entity type: Individual)
- **Enumerated:** January 10, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP08953 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1514 JEFFERSON HWY, New Orleans, LA 70121-2429
- **Phone:** (504) 842-3460 · **Fax:** (504) 842-3468
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1215136080, New Orleans, LA); Doctors After Hours Urgent Care & Walk In Clinic Clearview LLC (NPI 1962710509, Metairie, LA); Belle Chasse Emergency Group LLC (NPI 1851714075, New Orleans, LA); Doctors After Hours LLC (NPI 1114176971, Metairie, LA); Raceland Emergency Group, LLC (NPI 1023604352, Raceland, LA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1558807917) · Data from the CMS NPPES public registry.