DR. CARL D WALKER JR. M. D.
NPI 1255442539
Internal Medicine in Harvey, LA
About Dr. Carl D Walker Jr. M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CARL D WALKER JR. M. D. (NPI 1255442539) is an individual internal medicine provider in Harvey, Louisiana, licensed in Louisiana (017885) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Louisiana State University School Of Medicine In Shreveport (1984).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
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
Dr. Carl D Walker Jr. M. D. 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 Reassignment
Medicare enrollment records show Carl Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gretna, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 56 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70058 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARVEY, LA 70058
HARVEY, LA 70058
HARVEY, LA 70058
NEW ORLEANS, LA 70058
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 Carl Walker's NPI number?
The NPI number for Carl Walker is 1255442539. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Carl Walker located?
Carl Walker practices at 1816 Industrial Blvd, Harvey, LA 70058. The listed phone number is (504) 366-7638.
What is Carl Walker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Carl Walker enrolled in Medicare?
Yes. Carl Walker 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 organization bills Medicare for Carl Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carl Walker reassigns Medicare benefits to St. Thomas Community Health Center, Inc. (Gretna, LA). The 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 Carl Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carl Walker accept?
Health plans from HMO Louisiana list Carl Walker 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.
When was this NPI record last updated?
The NPPES record for Carl Walker was last updated on February 7, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Carl D Walker Jr., M. D. · NPI 1255442539
Internal Medicine physician in Harvey, Louisiana. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1255442539 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 017885 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1816 INDUSTRIAL BLVD, Harvey, LA 70058-2314
- **Phone:** (504) 366-7638
## 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:** St. Thomas Community Health Center, Inc. (NPI 1639687742, Gretna, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In Shreveport, class of 1984
## Record status
- **NPPES last updated:** February 7, 2013
- **Other identifiers:** Medicare ID-Type Unspecified 5N050 (LA); Medicaid 1900109 (LA); Medicare UPIN F07014 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255442539) · Data from the CMS NPPES public registry.