NPPES file of Aug 9, 2026

James Gregg Barrios, M.D.

Cardiovascular Disease Physician · Baton Rouge, LA

James Gregg Barrios, M.D. is a cardiovascular disease physician with a practice address in Baton Rouge, Louisiana, and NPI 1366839490, issued on Apr 15, 2015. Check the license (Louisiana 339964, 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
1366839490
Name
James Gregg Barrios
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
339964 LA
35478 AL
Self-reported in NPPES; status is on the state search
Practice location
7777 Hennessy Blvd Ste 1000, Baton Rouge, LA 70808
Phone
(225) 767-3900
Enumerated
Apr 15, 2015
Record last updated
Dec 26, 2024
Fax
(225) 766-2226
Medicare enrollment
Enrolled (PECOS I20240523001891); accepts Medicare assignment
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 7777 Hennessy Blvd Ste 1000

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

  1. Britney Bergeron, NPFamily Nurse Practitioner1649756917
  2. Jena Bordelon, PA-CPhysician Assistant1578449575
  3. Jorge Castellanos, MDInterventional Cardiology Physician1376792879
  4. Paul Dampf, M.D.Clinical Cardiac Electrophysiology Physician1992996417
  5. Brandy Davis, FNPFamily Nurse Practitioner1184200347
  6. Federico De Puy, M.D.Cardiovascular Disease Physician1831535186

Verify James Gregg Barrios 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 339964
    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.

95% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

161 Medicare Part D claims for 85 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. James Barrios161
  2. Specialty average3,078

Most prescribed

  1. Cephalexin22 claims
  2. Eliquis19 claims
  3. Metoprolol Succinate18 claims
  4. Atorvastatin Calcium11 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: $7,098.08

79 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Barrios$7,098.08
  2. Specialty average$3,819.56

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. Baton Rouge General Physicians IncBaton Rouge, LA
  2. Our Lady OF The Lake Physician Group LLCBaton Rouge, LA

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

James Gregg Barrios among 327 cardiovascular disease physician records in Louisiana

James Gregg Barrios, M.D. is one of 327 cardiovascular disease physician 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 2015, is newer than 89% of them.

  • NPI issued2015 · 89% of these records are older, 9% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2015 · median 1994 among the 199 with a school on file
  • Record last updated2024 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Louisiana

There are 327 cardiovascular disease physician records in Louisiana.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Paul Garrett, M.D.Baton Rouge, LA 708081639160823
  2. Steven Gremillion, M DBaton Rouge, LA 708081902807233
  3. Karin Hawkins, M.D.Baton Rouge, LA 708081144356619
  4. Tara Jarreau, M.D.Baton Rouge, LA 708081871784769
  5. Carl Luikart, M DBaton Rouge, LA 708081700878709
  6. John McClelland, M DBaton Rouge, LA 708081639170962
  7. John McLachlan, M.D.Baton Rouge, LA 708081457331761
  8. Jeffrey Moonan, M.D.Baton Rouge, LA 708081174515670

Common questions

What is James Gregg Barrios, M.D.'s NPI number?

James Gregg Barrios, M.D.'s National Provider Identifier (NPI) is 1366839490, issued on Apr 15, 2015. An NPI identifies a provider in billing; it is not a license.

Where is James Gregg Barrios, M.D. located?

The NPPES record lists a practice address at 7777 Hennessy Blvd Ste 1000, Baton Rouge, LA, 70808. Phone: (225) 767-3900. Providers update this record themselves, so call before visiting.

How can I verify James Gregg Barrios, M.D.'s license?

NPPES lists Louisiana license number 339964, 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 James Gregg Barrios, M.D. prescribe under Medicare Part D?

In 2024, James Gregg Barrios, M.D. had 161 Medicare Part D claims for 85 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.