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Hospitalist

Robert L. Marier, MD

Works at hospitals in New Orleans, LA · Louisiana

Summary

Robert L. Marier, MD (Hospitalist) is listed by Medicare at 1 hospital in New Orleans, LA. NPI 1013021302. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Robert L. Marier, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
57Years since medical school (graduated 1969)
Yale University School Of MedicineMedical school
MaleGender (as listed)
Belle Chasse Physician Services LLCGroup practice

Quick answers

Which hospitals does Robert L. Marier work at?
Medicare's official clinician data lists Robert L. Marier at 1 hospital: Ochsner Medical Center Acute. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert L. Marier see patients?
Medicare's clinician data lists 2 practice locations, including New Orleans, LA and Terrytown, LA. Call before your visit to confirm the address.
What is Robert L. Marier's specialty?
Medicare lists Hospitalist as the primary specialty, and also Infectious Disease.
Does Robert L. Marier accept Medicare assignment?
Yes. Medicare's clinician data says Robert L. Marier accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Robert L. Marier?
(504) 468-8600, as listed in official Medicare / NPI Registry data.
What is Robert L. Marier's NPI number?
1013021302. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert L. Marier works

Medicare's Facility Affiliation Data lists Robert L. Marier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Robert L. Marier is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Robert L. Marier as a member of this group (CMS data updated 2026-10-02).

  • Belle Chasse Physician Services LLC262 clinicians in the group

Specialties

Find other Hospitalist doctors in Louisiana →

Other hospitalists in New Orleans

Clinicians with the same Medicare primary specialty in New Orleans, LA — not a recommendation.

All hospitalists in New Orleans →

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year1969
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013021302
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians