Quick answers
- Which hospitals does Matthew D. McElveen work at?
- Medicare's official clinician data lists Matthew D. McElveen at 5 hospitals: Highland Community Hospital, Ochsner Medical Center Acute, Ochsner Medical Center-Hancock, Slidell Memorial Hospital and St Bernard Parish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew D. McElveen see patients?
- Medicare's clinician data lists 5 practice locations, including Slidell, LA, Raceland, LA and New Orleans, LA. Call before your visit to confirm the address.
- What is Matthew D. McElveen's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Medical Oncology.
- Does Matthew D. McElveen accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew D. McElveen 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 Matthew D. McElveen?
- (985) 646-5055, as listed in official Medicare / NPI Registry data.
- What is Matthew D. McElveen's NPI number?
- 1245395573. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew D. McElveen works
Medicare's Facility Affiliation Data lists Matthew D. McElveen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Highland Community HospitalPicayune, MS · Acute Care Hospital · CCN 250117
- Ochsner Medical Center AcuteNew Orleans, LA · Acute Care Hospital · CCN 190036
- Ochsner Medical Center-HancockBay Saint Louis, MS · Acute Care Hospital · CCN 250162
- Slidell Memorial HospitalSlidell, LA · Acute Care Hospital · CCN 190040
- St Bernard Parish HospitalChalmette, LA · Acute Care Hospital · CCN 190308
Practice locations
Addresses where Matthew D. McElveen is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Medical Ctr DrSlidell, LA 70461 (985) 646‑5055
- 1001 Gause BlvdSlidell, LA 70458 (985) 646‑5970
- 104 Acadia Park DrRaceland, LA 70394 (985) 537‑3211
- 1514 Jefferson HwyNew Orleans, LA 70121 (504) 842‑3000
- 1516 Jefferson HwyNew Orleans, LA 70121 (504) 842‑3470
Group practices
Medicare enrollment lists Matthew D. McElveen as a member of this group (CMS data updated 2026-10-02).
- Ochsner Clinic LLC2,864 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Medical Oncologyalso
Other hematologist-oncologists in Slidell
Clinicians with the same Medicare primary specialty in Slidell, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245395573 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians