NPPES file of Aug 9, 2026

William B. Landry, M.D.

Anesthesiology Physician · Slidell, LA

William B. Landry, M.D. is an anesthesiology physician with a practice address in Slidell, Louisiana, and NPI 1689864100, issued on Jul 31, 2007. Check the license (Louisiana MD.201686, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689864100
Name
William B. Landry
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD.201686 LA
Self-reported in NPPES; status is on the state search
Practice location
100 Medical Center Drive, Slidell, LA 70461
Phone
(985) 646-5082
Enumerated
Jul 31, 2007
Record last updated
Jan 12, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid IDs
07772504 MS
1077500 LA
Medicare enrollment
Enrolled (PECOS I20160523001888); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Medical Center Drive

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laurie Bishop, M.D.Diagnostic Radiology Physician1508964990
  2. Darren Cousin, M.D.Anesthesiology Physician1912948654
  3. Lee Domangue, MDEmergency Medicine Physician1457308850
  4. David Donaldson, M.D.Diagnostic Radiology Physician1962502591
  5. Ann Hammond, CRNACertified Registered Nurse Anesthetist1417991118
  6. Ernest Hansen, M.DEmergency Medicine Physician1164465704

Verify William B. Landry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license MD.201686
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Louisiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $137.24

2 payments; by number, the most common kind was food and beverage; the largest payer was Eagle Pharmaceuticals, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Landry$137.24
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospitals and group practices

  1. Singing River GulfportGulfport, MS · Acute Care Hospitals2 of 5 stars
  2. Childrens Hospital Anesthesia CorporationCovington, LA
  3. Galleria Anesthesia Associates, LLCCovington, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

William B. Landry among 623 anesthesiology physician records in Louisiana

William B. Landry, M.D. is one of 623 anesthesiology physician records with a practice address in Louisiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 39% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2006 · median 2005 among the 430 with a school on file
  • Record last updated2011 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 anesthesiology physician records list a practice address in Slidell

They are 25 of the 1,838 NPPES records with a practice address in Slidell, and 623 anesthesiology physician records in Louisiana.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Jeffrey Baker, M.D.Slidell, LA 704611154334522
  2. Darren Cousin, M.D.Slidell, LA 704611912948654
  3. Mi Mi Kim, MDSlidell, LA 704611295231942
  4. Divini Luccioni, MDSlidell, LA 704611508837097
  5. Paula Monnat, M.D.Slidell, LA 704611215969076
  6. Casey Reed, M.D.Slidell, LA 704611124287149
  7. Elizabeth Young, MDSlidell, LA 704611174542419
  8. David Bronaugh, M.D.Slidell, LA 704581861569527

Common questions

What is William B. Landry, M.D.'s NPI number?

William B. Landry, M.D.'s National Provider Identifier (NPI) is 1689864100, issued on Jul 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William B. Landry, M.D. located?

The NPPES record lists a practice address at 100 Medical Center Drive, Slidell, LA, 70461. Phone: (985) 646-5082. Providers update this record themselves, so call before visiting.

How can I verify William B. Landry, M.D.'s license?

NPPES lists Louisiana license number MD.201686, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.