AHMAD HALLAK
NPI 1548765910
Internal Medicine - Cardiovascular Disease in New Orleans, LA
About Ahmad Hallak NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AHMAD HALLAK (NPI 1548765910) is an individual cardiovascular disease provider in New Orleans, Louisiana, licensed in Louisiana (328102) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Ahmad Hallak 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
3Medicare enrollment records show Ahmad Hallak reassigns Medicare billing to 3 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
Terrytown, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 417 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Louisiana enrollment
- 156 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 3
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
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, LAPhysician 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 Ahmad Hallak's NPI number?
The NPI number for Ahmad Hallak is 1548765910. It was assigned to this individual provider in the NPPES registry on March 28, 2018.
Where is Ahmad Hallak located?
Ahmad Hallak practices at 1514 Jefferson Hwy, New Orleans, LA 70121. The listed phone number is (504) 842-4135.
What is Ahmad Hallak's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Ahmad Hallak enrolled in Medicare?
Yes. Ahmad Hallak 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 Ahmad Hallak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ahmad Hallak reassigns Medicare benefits to 3 organizations: Ochsner Clinic LLC (New Orleans, LA), Belle Chasse Physician Services LLC (Terrytown, LA) and Mayfair Physician Services, LLC (Baton Rouge, LA). 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 Ahmad Hallak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ahmad Hallak accept?
Health plans from Blue Cross and Blue Shield of Louisiana, CHRISTUS Health Plan and HMO Louisiana list Ahmad Hallak 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 Ahmad Hallak affiliated with any hospitals?
According to CMS data, Ahmad Hallak is affiliated with Ochsner Medical Center Acute.
When was this NPI record last updated?
The NPPES record for Ahmad Hallak was last updated on October 14, 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.