HARRY LLOYD CAHILL IV
NPI 1093274268
Radiology - Diagnostic Radiology in Gretna, LA
About Harry Lloyd Cahill Iv NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HARRY LLOYD CAHILL IV (NPI 1093274268) is an individual diagnostic radiology provider in Gretna, Louisiana, licensed in Louisiana (LA346412) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Thibodaux Regional Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2019).
NPPES Registry Identity
Specialties & Licenses
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
Harry Lloyd Cahill Iv 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 Harry Cahill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Marrero, LA 70072
- Reassigned Medicare billing, Louisiana enrollment
- 17 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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Thibodaux Regional Medical Center
Acute Care Hospitals · Thibodaux, LAWest Jefferson Medical Center
Acute Care Hospitals · Marrero, LATouro Infirmary
Acute Care Hospitals · New Orleans, LAEast Jefferson General Hospital
Acute Care Hospitals · Metairie, LANew Orleans East Hospital
Acute Care Hospitals · New Orleans, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70056 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Harry Cahill's NPI number?
The NPI number for Harry Cahill is 1093274268. It was assigned to this individual provider in the NPPES registry on March 18, 2019.
Where is Harry Cahill located?
Harry Cahill practices at 3740 Lake Michel Ct, Gretna, LA 70056. The listed phone number is (504) 287-2586.
What is Harry Cahill's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Harry Cahill enrolled in Medicare?
Yes. Harry Cahill 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 Harry Cahill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harry Cahill reassigns Medicare benefits to Jefferson Radiology Associates, Inc (Marrero, 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 Harry Cahill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harry Cahill accept?
Health plans from HMO Louisiana list Harry Cahill 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 Harry Cahill affiliated with any hospitals?
According to CMS data, Harry Cahill is affiliated with Thibodaux Regional Medical Center, West Jefferson Medical Center, Touro Infirmary, East Jefferson General Hospital and New Orleans East Hospital.
When was this NPI record last updated?
The NPPES record for Harry Cahill was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Harry Lloyd Cahill IV · NPI 1093274268
Diagnostic Radiology physician in Gretna, Louisiana. Individual provider, active in the CMS NPPES registry since March 18, 2019.
## Identity
- **NPI:** 1093274268 (Entity type: Individual)
- **Enumerated:** March 18, 2019
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** LA346412 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 3740 LAKE MICHEL CT, Gretna, LA 70056-8325
- **Phone:** (504) 287-2586
## 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:** Jefferson Radiology Associates, Inc (NPI 1366490849, Marrero, LA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2019
## Record status
- **NPPES last updated:** March 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1093274268) · Data from the CMS NPPES public registry.