DR. NELLY ANTOINE AOUN MD
NPI 1285889675
Internal Medicine - Hematology & Oncology in Covington, LA
About Dr. Nelly Antoine Aoun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NELLY ANTOINE AOUN MD (NPI 1285889675) is an individual hematology & oncology provider in Covington, Louisiana, licensed in Louisiana (300516) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 3
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
Dr. Nelly Antoine Aoun 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 Reassignment
Medicare enrollment records show Nelly Aoun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 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.
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Medical Center Acute
Acute Care Hospitals · New Orleans, LASlidell Memorial Hospital
Acute Care Hospitals · Slidell, LASt Tammany Parish Hospital
Acute Care Hospitals · Covington, LAOchsner Medical Center - Baton Rouge
Acute Care Hospitals · Baton Rouge, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70433 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Nelly Aoun's NPI number?
The NPI number for Nelly Aoun is 1285889675. It was assigned to this individual provider in the NPPES registry on November 26, 2008.
Where is Nelly Aoun located?
Nelly Aoun practices at 900 Ochsner Blvd., Covington, LA 70433. The listed phone number is (985) 249-2383.
What is Nelly Aoun's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Nelly Aoun enrolled in Medicare?
Yes. Nelly Aoun 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 Nelly Aoun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nelly Aoun reassigns Medicare benefits to Ochsner Clinic, LLC (Covington, LA). 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 Nelly Aoun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nelly Aoun accept?
Health plans from Blue Cross and Blue Shield of Louisiana and HMO Louisiana list Nelly Aoun 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 Nelly Aoun affiliated with any hospitals?
According to CMS data, Nelly Aoun is affiliated with Ochsner Medical Center Acute, Slidell Memorial Hospital, St Tammany Parish Hospital and Ochsner Medical Center - Baton Rouge.
When was this NPI record last updated?
The NPPES record for Nelly Aoun was last updated on December 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Nelly Antoine Aoun, MD · NPI 1285889675
Hematology & Oncology physician in Covington, Louisiana. Individual provider, active in the CMS NPPES registry since November 26, 2008.
## Identity
- **NPI:** 1285889675 (Entity type: Individual)
- **Enumerated:** November 26, 2008
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 300516 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 OCHSNER BLVD., Covington, LA 70433
- **Phone:** (985) 249-2383 · **Fax:** (985) 249-2384
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ochsner Clinic, LLC (NPI 1245825371, Covington, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** December 30, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1285889675) · Data from the CMS NPPES public registry.