Leslie Lousteau Weeks, M.D.
Obstetrics & Gynecology Physician · Slidell, LA
Leslie Lousteau Weeks, M.D. is an obstetrics & gynecology physician with a practice address in Slidell, Louisiana, and NPI 1811199102, issued on May 31, 2007. Check the license (Louisiana 336121, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Leslie Lousteau Weeks
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 336121 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Gause Blvd E, Slidell, LA 70461
- Phone
- (985) 639-3777
- Enumerated
- May 31, 2007
- Record last updated
- Jul 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20230619000497); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 659 in Louisiana → Look up another NPI →
Also registered at 1850 Gause Blvd E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leslie Lousteau Weeks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 336121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
246 Medicare Part D claims for 108 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol93 claims
- Clobetasol Propionate23 claims
- Fluconazole13 claims
- Metronidazole11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $194.70
7 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ochsner Clinic LLCSlidell, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leslie Lousteau Weeks among 659 obstetrics & gynecology physician records in Louisiana
Leslie Lousteau Weeks, M.D. is one of 659 obstetrics & gynecology physician records with a practice address in Louisiana. 79% 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 53% of them.
- NPI issued2007 · 53% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2004 among the 436 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Louisiana
There are 659 obstetrics & gynecology physician records in Louisiana.
All 659 in Louisiana → Every provider in Slidell → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Gregory Berault, M.D.Slidell, LA 704611013089424
- Jason Collins, MDSlidell, LA 704611578502290
- Anthony Grieco, MDSlidell, LA 704611851359020
- David Hebert, MDSlidell, LA 704611750484887
- Adela' Narcisse, M.D.Slidell, LA 704611891972410
- Santo Paniello, MDSlidell, LA 704611104830249
- James Holmes, M.D.Slidell, LA 704601154616134
- Diana Clavin, M.D.Slidell, LA 704581669463915
Common questions
What is Leslie Lousteau Weeks, M.D.'s NPI number?
Leslie Lousteau Weeks, M.D.'s National Provider Identifier (NPI) is 1811199102, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Lousteau Weeks, M.D. located?
The NPPES record lists a practice address at 1850 Gause Blvd E, Slidell, LA, 70461. Phone: (985) 639-3777. Providers update this record themselves, so call before visiting.
How can I verify Leslie Lousteau Weeks, M.D.'s license?
NPPES lists Louisiana license number 336121, 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.
How much does Leslie Lousteau Weeks, M.D. prescribe under Medicare Part D?
In 2024, Leslie Lousteau Weeks, M.D. had 246 Medicare Part D claims for 108 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.