Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Stewart Steinhardt Jr., MD

Individual provider Surgery Physician · NPI 1811286610

Dr. William Stewart Steinhardt Jr., MD is a General Surgery in Marrero, Louisiana. Graduated from Louisiana State University School of Medicine in New Orleans in 2011, 15 years ago. Practices with Southern Surgical Specialists, LLC, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
15
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
LA
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 Avenue G
Marrero, LA 70072-3765
Phone: (504) 349-6713
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 466 Carrollton Ave, Metairie, LA 70005-3654 — (504) 430-2866

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 206158 (LA)

Record details

NPI number1811286610
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2011
Last updated in NPPESMarch 17, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 2011 (15 years in practice)
Group practice Southern Surgical Specialists, Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Marrero