Quick answers
- Which hospitals does William S. Steinhardt Jr. work at?
- Medicare's official clinician data lists William S. Steinhardt Jr. at 1 hospital: West Jefferson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William S. Steinhardt Jr. see patients?
- Medicare's clinician data lists 1 practice location in Marrero, LA. Call before your visit to confirm the address.
- What is William S. Steinhardt Jr.'s specialty?
- Medicare lists General Surgery as the primary specialty.
- Does William S. Steinhardt Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William S. Steinhardt Jr. 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 William S. Steinhardt Jr.?
- (504) 349-6713, as listed in official Medicare / NPI Registry data.
- What is William S. Steinhardt Jr.'s NPI number?
- 1811286610. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William S. Steinhardt Jr. works
Medicare's Facility Affiliation Data lists William S. Steinhardt Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- West Jefferson Medical CenterMarrero, LA · Acute Care Hospital · CCN 190039
Practice locations
Addresses where William S. Steinhardt Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1151 Barataria Blvd, Suite 4100Marrero, LA 70072 (504) 349‑6713
Group practices
Medicare enrollment lists William S. Steinhardt Jr. as a member of this group (CMS data updated 2026-10-02).
- Southern Surgical Specialists, LLC3 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Marrero
Clinicians with the same Medicare primary specialty in Marrero, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811286610 |
| 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