JUSTIN W. SEYMOUR MD
NPI 1699949644
Internal Medicine in New Orleans, LA
About Justin W. Seymour Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN W. SEYMOUR MD (NPI 1699949644) is an individual internal medicine provider in New Orleans, Louisiana, licensed in Louisiana (204291) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with East Carroll Parish Hospital, and maintains a secondary practice location in Napoleonville.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Justin W. Seymour Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Justin Seymour reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Covington, LA 70433
- Reassigned Medicare billing, Louisiana enrollment
- 133 clinicians in this Medicare group
Cut Off, LA 70345
- Reassigned Medicare billing, Louisiana enrollment
Port Sulphur, LA 70083
- Reassigned Medicare billing, Louisiana enrollment
- 22 clinicians in this Medicare group
Gonzales, LA 70737
- Reassigned Medicare billing, Louisiana enrollment
- 59 clinicians in this Medicare group
Greensburg, LA 70441
- Reassigned Medicare billing, Louisiana enrollment
- Also billed through NPI 1588614036 (Louisiana)
- 39 clinicians in this Medicare group
Lake Providence, LA 71254
- Reassigned Medicare billing, Louisiana enrollment
- 78 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
East Carroll Parish Hospital
Acute Care Hospitals · Lake Providence, LALady Of The Sea General Hospital
Critical Access Hospitals · Cut Off, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70112 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.
NEW ORLEANS, LA 70112
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 Justin Seymour's NPI number?
The NPI number for Justin Seymour is 1699949644. It was assigned to this individual provider in the NPPES registry on April 21, 2008.
Where is Justin Seymour located?
Justin Seymour practices at 1430 Tulane Ave, New Orleans, LA 70112. The listed phone number is (504) 988-5800.
What is Justin Seymour's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Justin Seymour enrolled in Medicare?
Yes. Justin Seymour is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Justin Seymour's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Seymour reassigns Medicare benefits to 6 organizations: Correct Care, Inc. (Covington, LA), Lafourche Parish Hospital Service District No.1 (Cut Off, LA), Hospital Service District No. 1 Of Plaquemines Parish (Port Sulphur, LA), Ascension Emergency Physicians LLC (Gonzales, LA), St Helena Parish Hospital (Greensburg, LA) and 1 more organization, 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 Justin Seymour's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Justin Seymour accept?
Health plans from HMO Louisiana list Justin Seymour as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Justin Seymour affiliated with any hospitals?
According to CMS data, Justin Seymour is affiliated with East Carroll Parish Hospital and Lady Of The Sea General Hospital.
When was this NPI record last updated?
The NPPES record for Justin Seymour was last updated on April 7, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Justin W. Seymour, MD · NPI 1699949644
Internal Medicine physician in New Orleans, Louisiana. Individual provider, active in the CMS NPPES registry since April 21, 2008.
## Identity
- **NPI:** 1699949644 (Entity type: Individual)
- **Enumerated:** April 21, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 204291 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1430 TULANE AVE, New Orleans, LA 70112
- **Phone:** (504) 988-5800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Correct Care, Inc. (NPI 1215987441, Covington, LA); Lafourche Parish Hospital Service District No.1 (NPI 1407883341, Cut Off, LA); Hospital Service District No. 1 Of Plaquemines Parish (NPI 1205856226, Port Sulphur, LA); Ascension Emergency Physicians LLC (NPI 1699118505, Gonzales, LA); St Helena Parish Hospital (NPI 1013068808, Greensburg, LA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Miami, Lm Miller School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** April 7, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1699949644) · Data from the CMS NPPES public registry.