David Louis Weir, M.D.
Specialist · Lafayette, LA
David Louis Weir, M.D. is a specialist with a practice address in Lafayette, Louisiana, and NPI 1528064441, issued on Jun 24, 2005. Check the license (Louisiana 019639, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Louis Weir
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 019639 LA
Self-reported in NPPES; status is on the state search - Practice location
- 802 E Farrel RD, Lafayette, LA 70508
- Phone
- (337) 504-4039
- Enumerated
- Jun 24, 2005
- Record last updated
- Jun 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (337) 504-4032
- Medicaid ID
- 1374571 LA
- Entity
- Type 1 · individual
8 nearest specialist records → All 550 in Louisiana → Look up another NPI →
Also registered at 802 E Farrel RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Louis Weir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 019639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average specialist in 2024
398 Medicare Part D claims for 43 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 26 claims were for opioids.
Most prescribed
- Levetiracetam25 claims
- Oxycodone Hcl24 claims
- Naproxen20 claims
- Tizanidine Hcl19 claims
- Emgality Pen18 claims
- Memantine Hcl14 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: $1,467.14
69 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
David Louis Weir among 550 specialist records in Louisiana
David Louis Weir, M.D. is one of 550 specialist records with a practice address in Louisiana. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 23% of these records are
- Record last updated2019 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Louisiana
There are 550 specialist records in Louisiana.
All 550 in Louisiana → Every provider in Lafayette → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Susan Conway, M.D.Lafayette, LA 705081245201334
- Stephen Delatte, MDLafayette, LA 705081245253194
- Brytton Eldredge, M.D.Lafayette, LA 705081265480503
- Robert Fell, M.D.Lafayette, LA 705081518943398
- Christopher Fontenot, MDLafayette, LA 705081669492369
- Juan Fukuda, M.D.Lafayette, LA 705081154314904
- Gordon Gidman, M.D.Lafayette, LA 705081437286085
- Boitumelo Kgoadi, RPTLafayette, LA 705081740375955
Common questions
What is David Louis Weir, M.D.'s NPI number?
David Louis Weir, M.D.'s National Provider Identifier (NPI) is 1528064441, issued on Jun 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Louis Weir, M.D. located?
The NPPES record lists a practice address at 802 E Farrel RD, Lafayette, LA, 70508. Phone: (337) 504-4039. Providers update this record themselves, so call before visiting.
How can I verify David Louis Weir, M.D.'s license?
NPPES lists Louisiana license number 019639, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does David Louis Weir, M.D. prescribe under Medicare Part D?
In 2024, David Louis Weir, M.D. had 398 Medicare Part D claims for 43 beneficiaries; the average among specialist prescribers was 1,380. 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.