NPPES file of Aug 9, 2026

John T. Couvillion, M.D.

Ophthalmology Physician · Baton Rouge, LA

John T. Couvillion, M.D. is an ophthalmology physician with a practice address in Baton Rouge, Louisiana, and NPI 1497762207, issued on Aug 2, 2006. Check the license (Louisiana MD.021851, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497762207
Name
John T. Couvillion
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
MD.021851 LA
021851 LA
Self-reported in NPPES; status is on the state search
Practice location
10202 Jefferson Hwy Ste D, Baton Rouge, LA 70809
Phone
(225) 768-8833
Enumerated
Aug 2, 2006
Record last updated
Nov 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(225) 769-4839
Medicaid ID
1499234 LA
Medicare enrollment
Enrolled (PECOS I20041209000013); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 1993
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.
Download card Updates feed

Also registered at 10202 Jefferson Hwy Ste D

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

  1. Jorge Jimenez, M.D.Retina Specialist (Ophthalmology) Physician1518353168

Verify John T. Couvillion 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 MD.021851
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

56% fewer Medicare Part D claims than the average ophthalmology physician in 2024

668 Medicare Part D claims for 164 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. John Couvillion668
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate255 claims
  2. Diclofenac Sodium170 claims
  3. Brimonidine Tartrate52 claims
  4. Polymyxin B Sul-Trimethoprim50 claims
  5. Prednisone48 claims
  6. Dorzolamide-Timolol16 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $399.67

11 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Couvillion$399.67
  2. Specialty average$4,535.02

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

  1. Retina And Vitreous OF Louisiana, Inc.Baton Rouge, LA

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

John T. Couvillion among 299 ophthalmology physician records in Louisiana

John T. Couvillion, M.D. is one of 299 ophthalmology physician records with a practice address in Louisiana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 21% of them.

  • NPI issued2006 · 21% of these records are older, 41% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1993 · median 2000 among the 206 with a school on file
  • Record last updated2018 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Louisiana

There are 299 ophthalmology physician records in Louisiana.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Christopher Grenier, M.D.Baton Rouge, LA 708091700818135
  2. Michael Morgan, M.D.Baton Rouge, LA 708091922024439
  3. Barbara Noguchi, MDBaton Rouge, LA 708091104827112
  4. Timothy Saunders, MDBaton Rouge, LA 708091417134289
  5. Charles Afeman, MDBaton Rouge, LA 708081659414183
  6. Andrew Black, M.D.Baton Rouge, LA 708081043417751
  7. Bradley Black, MDBaton Rouge, LA 708081861541575
  8. Nicholas Braud, MDBaton Rouge, LA 708081093342768

Common questions

What is John T. Couvillion, M.D.'s NPI number?

John T. Couvillion, M.D.'s National Provider Identifier (NPI) is 1497762207, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John T. Couvillion, M.D. located?

The NPPES record lists a practice address at 10202 Jefferson Hwy Ste D, Baton Rouge, LA, 70809. Phone: (225) 768-8833. Providers update this record themselves, so call before visiting.

How can I verify John T. Couvillion, M.D.'s license?

NPPES lists Louisiana license number MD.021851, 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 John T. Couvillion, M.D. prescribe under Medicare Part D?

In 2024, John T. Couvillion, M.D. had 668 Medicare Part D claims for 164 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is John T. Couvillion, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.