Austin Trevor Williams, MD
Family Medicine Physician · Marksville, LA
Austin Trevor Williams, MD is a family medicine physician with a practice address in Marksville, Louisiana, and NPI 1265994222, issued on Apr 1, 2019. Check the license (Louisiana 328634, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Austin Trevor Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 328634 LA
Self-reported in NPPES; status is on the state search - Practice location
- 597 Tunica Dr W, Marksville, LA 71351
- Phone
- (318) 253-0677
- Enumerated
- Apr 1, 2019
- Record last updated
- Nov 17, 2022
- Fax
- (318) 253-0679
- Medicare enrollment
- Enrolled (PECOS I20220121000882); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 2019
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 597 Tunica Dr W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandi BrouilletteClinical Social Worker1306779186
- Sara Laborde Demars, FNP-CFamily Nurse Practitioner1417487638
- Misty Herron, NPFamily Nurse Practitioner1639980675
- Randall Laborde, APRN, FNP-CFamily Nurse Practitioner1467024042
- John Lemoine, M.D.Family Medicine Physician1447555420
- Chelsea Smith, FNP-CFamily Nurse Practitioner1679314926
Verify Austin Trevor Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 328634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average family medicine physician in 2024
6,721 Medicare Part D claims for 325 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 216 claims were for opioids.
Most prescribed
- Amlodipine Besylate212 claims
- Atorvastatin Calcium199 claims
- Gabapentin191 claims
- Furosemide189 claims
- Pantoprazole Sodium174 claims
- Levothyroxine Sodium160 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: $289.89
17 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Clhg-Avoyelles LLCMarksville, LA
- Derussy Emergency Group LLCMarksville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Austin Trevor Williams among 1,728 family medicine physician records in Louisiana
Austin Trevor Williams, MD is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2019 · median 2006 among the 1,201 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Marksville
They are 8 of the 166 NPPES records with a practice address in Marksville, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Marksville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Beau Brouillette, M.D.Marksville, LA 713511457353682
- Dixie Clement, M.D.Marksville, LA 713511851517734
- Edmond Kalifey, MDMarksville, LA 713511568464790
- John Lemoine, M.D.Marksville, LA 713511447555420
- Lovell Mayeux, Jr., M.D.Marksville, LA 713511437205242
- Darron McCann, MDMarksville, LA 713511679550248
- Shawn McCann, M.D.Marksville, LA 713511194761817
- Warren Plauche, MDMansura, LA 713501528195765
Common questions
What is Austin Trevor Williams, MD's NPI number?
Austin Trevor Williams, MD's National Provider Identifier (NPI) is 1265994222, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Austin Trevor Williams, MD located?
The NPPES record lists a practice address at 597 Tunica Dr W, Marksville, LA, 71351. Phone: (318) 253-0677. Providers update this record themselves, so call before visiting.
How can I verify Austin Trevor Williams, MD's license?
NPPES lists Louisiana license number 328634, 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 Austin Trevor Williams, MD prescribe under Medicare Part D?
In 2024, Austin Trevor Williams, MD had 6,721 Medicare Part D claims for 325 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.