DR. MARC BERNSTEIN M.D.
NPI 1851333587
Internal Medicine - Cardiovascular Disease in Slidell, LA
About Dr. Marc Bernstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARC BERNSTEIN M.D. (NPI 1851333587) is an individual cardiovascular disease provider in Slidell, Louisiana, licensed in Louisiana (016053) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with North Oaks Medical Center, and maintains a secondary practice location in Bogalusa.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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 and accepts Medicare assignment
Dr. Marc Bernstein M.d. 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
5Medicare enrollment records show Marc Bernstein reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Slidell, LA 70458
- Reassigned Medicare billing, Louisiana enrollment
- 8 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 15 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 11 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 10 clinicians in this Medicare group
Bogalusa, LA 70427
- Reassigned Medicare billing, Louisiana enrollment
- 129 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 33
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Oaks Medical Center
Acute Care Hospitals · Hammond, LAOchsner Medical Center Acute
Acute Care Hospitals · New Orleans, LASlidell Memorial Hospital
Acute Care Hospitals · Slidell, LASt Tammany Parish Hospital
Acute Care Hospitals · Covington, LASt Bernard Parish Hospital
Acute Care Hospitals · Chalmette, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70458 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 9
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SLIDELL, LA 70458
SLIDELL, LA 70458
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 Marc Bernstein's NPI number?
The NPI number for Marc Bernstein is 1851333587. It was assigned to this individual provider in the NPPES registry on June 10, 2006.
Where is Marc Bernstein located?
Marc Bernstein practices at 901 Gause Blvd 2nd Floor, Slidell, LA 70458. The listed phone number is (985) 649-2700.
What is Marc Bernstein's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Marc Bernstein enrolled in Medicare?
Yes. Marc Bernstein 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 Marc Bernstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marc Bernstein reassigns Medicare benefits to 5 organizations: Iteld Bernstein And Associates LLC (Slidell, LA), Cardiovascular Specialty Care Center Of Covington, LLC (Covington, LA), Cardiovascular Specialty Cath Center Of Covington, LLC (Covington, LA), Cardiovascular Specialty Care Center ASC LLC (Covington, LA) and Our Lady Of The Angels Hospital, Inc. (Bogalusa, 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 Marc Bernstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marc Bernstein accept?
Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana, Molina Healthcare, Oscar Health Plan, Inc. and UnitedHealthcare list Marc Bernstein 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 Marc Bernstein affiliated with any hospitals?
According to CMS data, Marc Bernstein is affiliated with North Oaks Medical Center, Ochsner Medical Center Acute, Slidell Memorial Hospital, St Tammany Parish Hospital and St Bernard Parish Hospital.
When was this NPI record last updated?
The NPPES record for Marc Bernstein was last updated on October 12, 2023. 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.