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

William B Landry III, MD

Individual provider Anesthesiology Physician · NPI 1689864100

William B Landry III, MD is an Anesthesiology in Slidell, Louisiana. Graduated from Tulane University School of Medicine in 2006, 20 years ago. Practices with Singing River Gulfport, a 76-clinician group and accepts Medicare assignment. Licensed in Louisiana.

Years since qualifying
20
Trained at
Tulane University School of Medicine
Licensed in
LA
In the registry since
2007
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

100 Medical Center Dr
Slidell, LA 70461-5520
Phone: (985) 646-5082
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD.201686 (LA)

Record details

NPI number1689864100
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2007
Last updated in NPPESJanuary 12, 2011

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Singing River Gulfport — 76 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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