NPPES file of Aug 9, 2026

Matthew Warren Williams, MD

Retina Specialist (Ophthalmology) Physician · Lafayette, LA

Matthew Warren Williams, MD is a retina specialist (ophthalmology) physician with a practice address in Lafayette, Louisiana, and NPI 1689136608, issued on Apr 1, 2019. Check the license (Louisiana 335525, 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
1689136608
Name
Matthew Warren Williams
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License number
335525 LA
Self-reported in NPPES; status is on the state search
Practice location
1101 S College RD Ste 304, Lafayette, LA 70503
Phone
(337) 232-2710
Enumerated
Apr 1, 2019
Record last updated
Aug 22, 2025
Fax
(337) 232-6824
Medicaid ID
2495879 LA
Medicare enrollment
Enrolled (PECOS I20230824004332); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 2019
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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Verify Matthew Warren Williams 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 335525
    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

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84% fewer Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

99 Medicare Part D claims for 44 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.

  1. Matthew Williams99
  2. Specialty average620

Most prescribed

  1. Latanoprost21 claims
  2. Brimonidine Tartrate18 claims
  3. Dorzolamide-Timolol13 claims
  4. Prednisolone Acetate13 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: $269.30

3 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Williams$269.30
  2. Specialty average$7,667.49

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

  1. Acadiana Retina Consultants, LLCLafayette, LA
  2. Lsuhn Billing LLCBaton Rouge, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Warren Williams among 30 retina specialist (ophthalmology) physician records in Louisiana

Matthew Warren Williams, MD is one of 30 retina specialist (ophthalmology) physician records with a practice address in Louisiana. 100% 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 93% of them.

  • NPI issued2019 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 100% of these records are
  • In the CMS Doctors and Clinicians fileYes · 90% of these records are
  • Graduated2019 · median 2006 among the 27 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in Louisiana

There are 30 retina specialist (ophthalmology) physician records in Louisiana.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Frank Culotta, M.D.Lafayette, LA 705031659335545
  2. Scott Gauthreaux, M.D.Lafayette, LA 705031710942065
  3. Jonathan Perkins, MDLake Charles, LA 706011336409051
  4. David Kilpatrick, MDDenham Springs, LA 707261225449317
  5. Jamie Hatcher, M.D.Baton Rouge, LA 708061104145192
  6. Adam Janot, M.D.Baton Rouge, LA 708061861767147
  7. Daniel Salisbury, M.D.Baton Rouge, LA 708061801280995
  8. John Creed, M.D.Baton Rouge, LA 708091457382988

Common questions

What is Matthew Warren Williams, MD's NPI number?

Matthew Warren Williams, MD's National Provider Identifier (NPI) is 1689136608, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Warren Williams, MD located?

The NPPES record lists a practice address at 1101 S College RD Ste 304, Lafayette, LA, 70503. Phone: (337) 232-2710. Providers update this record themselves, so call before visiting.

How can I verify Matthew Warren Williams, MD's license?

NPPES lists Louisiana license number 335525, 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 Matthew Warren Williams, MD prescribe under Medicare Part D?

In 2024, Matthew Warren Williams, MD had 99 Medicare Part D claims for 44 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. 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.