NPPES file of Aug 9, 2026

David Werner Barnett, DDS, MD

Oral and Maxillofacial Surgery (Dentist) · Baton Rouge, LA

David Werner Barnett, DDS, MD is an oral and maxillofacial surgery (dentist) with a practice address in Baton Rouge, Louisiana, and NPI 1639211097, issued on Feb 13, 2007. Check the license (Louisiana 5621, as entered in NPPES) with the Louisiana board that licenses this profession; 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
1639211097
Name
David Werner Barnett
Credential
DDS, MD
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License number
5621 LA
Self-reported in NPPES; status is on the state search
Practice location
7341 Jefferson Hwy, Baton Rouge, LA 70806
Phone
(225) 926-5301
Enumerated
Feb 13, 2007
Record last updated
Jun 13, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(225) 924-2677
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7341 Jefferson Hwy

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

  1. William Couvillion, D.D.S.Oral and Maxillofacial Pathology Dentistry1740209139
  2. Bryan Eckert, PSY.D.Clinical Psychologist1073631966
  3. Sherry Smelley, MSW, LCSWMental Health Counselor1033187380

Verify David Werner Barnett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
    Search for license 5621
    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
Find the Louisiana license search

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64% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

145 Medicare Part D claims for 44 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 32 claims were for opioids.

  1. David Barnett145
  2. Specialty average406

Most prescribed

  1. Amoxicillin33 claims
  2. Hydrocodone-Acetaminophen32 claims
  3. Chlorhexidine Gluconate28 claims
  4. Ibuprofen25 claims
  5. Ondansetron Odt13 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: $85.46

2 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 4,075 providers of this specialty with any payment received $1,077.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Barnett$85.46
  2. Specialty average$1,077.58

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

David Werner Barnett among 91 oral and maxillofacial surgery (dentist) records in Louisiana

David Werner Barnett, DDS, MD is one of 91 oral and maxillofacial surgery (dentist) 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 45% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2011 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in Louisiana

There are 91 oral and maxillofacial surgery (dentist) records in Louisiana.

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Marshall Harrison, D.D.S.Baton Rouge, LA 708061649321035
  2. Baker Vinci, D.D.S.Baton Rouge, LA 708061194909705
  3. Michael Casadaban, D.D.S., M.D.Baton Rouge, LA 708081497723118
  4. Brian Dyess, DDSBaton Rouge, LA 708081609815380
  5. Charles Hornsby, D.D.S.Baton Rouge, LA 708081407824204
  6. Lynn Philippe, D.D.S.Baton Rouge, LA 708081407897150
  7. Robert Regan, D.D.S.Baton Rouge, LA 708081548238942
  8. Tooley Towns, D.D.S.Baton Rouge, LA 708081720056120

Common questions

What is David Werner Barnett, DDS, MD's NPI number?

David Werner Barnett, DDS, MD's National Provider Identifier (NPI) is 1639211097, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Werner Barnett, DDS, MD located?

The NPPES record lists a practice address at 7341 Jefferson Hwy, Baton Rouge, LA, 70806. Phone: (225) 926-5301. Providers update this record themselves, so call before visiting.

How can I verify David Werner Barnett, DDS, MD's license?

NPPES lists Louisiana license number 5621, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does David Werner Barnett, DDS, MD prescribe under Medicare Part D?

In 2024, David Werner Barnett, DDS, MD had 145 Medicare Part D claims for 44 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.