THOMAS STEPHEN BARRINEAU MD
NPI 1639531734
Emergency Medicine in Baton Rouge, LA
About Thomas Stephen Barrineau Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS STEPHEN BARRINEAU MD (NPI 1639531734) is an individual emergency medicine provider in Baton Rouge, Louisiana, licensed in Louisiana (307582) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and is a graduate of University Of South Carolina School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Thomas Stephen Barrineau Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
11Medicare enrollment records show Thomas Barrineau reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baton Rouge, LA 70808
- Reassigned Medicare billing, Louisiana enrollment
- 147 clinicians in this Medicare group
La Place, LA 70068
- Reassigned Medicare billing, Louisiana enrollment
- 120 clinicians in this Medicare group
Thibodaux, LA 70301
- Reassigned Medicare billing, Louisiana enrollment
- 104 clinicians in this Medicare group
Breaux Bridge, LA 70517
- Reassigned Medicare billing, Louisiana enrollment
- 69 clinicians in this Medicare group
Luling, LA 70070
- Reassigned Medicare billing, Louisiana enrollment
- 114 clinicians in this Medicare group
Kenner, LA 70065
- Reassigned Medicare billing, Louisiana enrollment
- 181 clinicians in this Medicare group
Lafayette, LA 70508
- Reassigned Medicare billing, Louisiana enrollment
- 114 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 197 clinicians in this Medicare group
New Orleans, LA 70115
- Reassigned Medicare billing, Louisiana enrollment
- 240 clinicians in this Medicare group
Eunice, LA 70535
- Reassigned Medicare billing, Louisiana enrollment
- 76 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Medical Center Acute
Acute Care Hospitals · New Orleans, LASt Tammany Parish Hospital
Acute Care Hospitals · Covington, LAOchsner Medical Center-Kenner
Acute Care Hospitals · Kenner, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Thomas Barrineau's NPI number?
The NPI number for Thomas Barrineau is 1639531734. It was assigned to this individual provider in the NPPES registry on March 28, 2016.
Where is Thomas Barrineau located?
Thomas Barrineau practices at 5246 Brittany Dr Third Floor, Baton Rouge, LA 70808. The listed phone number is (225) 757-4140.
What is Thomas Barrineau's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Thomas Barrineau enrolled in Medicare?
Yes. Thomas Barrineau is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Thomas Barrineau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Barrineau reassigns Medicare benefits to 11 organizations: Professional Emergency Physician Associates, LLC (Baton Rouge, LA), St. John Emergency Group LLC (La Place, LA), Thibodaux Emergency Physicians Group LLC (Thibodaux, LA), St Martin Emergency Group LLC (Breaux Bridge, LA), Luling Emergency Group LLC (Luling, LA) and 6 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Barrineau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Thomas Barrineau affiliated with any hospitals?
According to CMS data, Thomas Barrineau is affiliated with Ochsner Medical Center Acute, St Tammany Parish Hospital and Ochsner Medical Center-Kenner.
When was this NPI record last updated?
The NPPES record for Thomas Barrineau was last updated on July 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Thomas Stephen Barrineau, MD · NPI 1639531734
Emergency Medicine physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since March 28, 2016.
## Identity
- **NPI:** 1639531734 (Entity type: Individual)
- **Enumerated:** March 28, 2016
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 307582 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 5246 BRITTANY DR, THIRD FLOOR, Baton Rouge, LA 70808
- **Phone:** (225) 757-4140
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Professional Emergency Physician Associates, LLC (NPI 1992758247, Baton Rouge, LA); St. John Emergency Group LLC (NPI 1265401509, La Place, LA); Thibodaux Emergency Physicians Group LLC (NPI 1568910503, Thibodaux, LA); St Martin Emergency Group LLC (NPI 1710231774, Breaux Bridge, LA); Luling Emergency Group LLC (NPI 1528446101, Luling, LA); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Carolina School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** July 12, 2018
---
Source: [NPI Profile](https://npiprofile.com/npi/1639531734) · Data from the CMS NPPES public registry.