DR. JOHN G LEMIEUX MD
NPI 1649210709
Radiology - Diagnostic Radiology in New Iberia, LA
About Dr. John G Lemieux Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN G LEMIEUX MD (NPI 1649210709) is an individual diagnostic radiology provider in New Iberia, Louisiana, licensed in Louisiana (13032R) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Ochsner Lafayette General Medical Center, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1995).
NPPES Registry Identity
Specialties & Licenses
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. John G Lemieux 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
5Medicare enrollment records show John Lemieux reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Iberia, LA 70560
- Reassigned Medicare billing, Louisiana enrollment
- 2 clinicians in this Medicare group
Lafayette, LA 70508
- Reassigned Medicare billing, Louisiana enrollment
- 18 clinicians in this Medicare group
Franklin, LA 70538
- Reassigned Medicare billing, Louisiana enrollment
- 6 clinicians in this Medicare group
Baton Rouge, LA 70809
- Reassigned Medicare billing, Louisiana enrollment
- 120 clinicians in this Medicare group
Gonzales, LA 70737
- Reassigned Medicare billing, Louisiana enrollment
- 41 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 54
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner Lafayette General Medical Center
Acute Care Hospitals · Lafayette, LAIberia Medical Center
Acute Care Hospitals · New Iberia, LAOur Lady Of Lourdes Regional Medical Center, Inc
Acute Care Hospitals · Lafayette, LABayou Bend Health System
Critical Access Hospitals · Franklin, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70560 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
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 John Lemieux's NPI number?
The NPI number for John Lemieux is 1649210709. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is John Lemieux located?
John Lemieux practices at 2315 E Main St, New Iberia, LA 70560. The listed phone number is (337) 367-1048.
What is John Lemieux's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is John Lemieux enrolled in Medicare?
Yes. John Lemieux 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 John Lemieux's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Lemieux reassigns Medicare benefits to 5 organizations: Radiology Associates Of Iberia (New Iberia, LA), Acadiana Radiology Group (Lafayette, LA), Hospital Service District No. 1 Of The Parish Of St. Mary (Franklin, LA), Mary Bird Perkins Cancer Center (Baton Rouge, LA) and St. Elizabeth-Mary Bird Perkins Cancer Center, L.L.C. (Gonzales, LA). 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 John Lemieux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Lemieux accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and HMO Louisiana and 1 other insurer list John Lemieux 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 John Lemieux affiliated with any hospitals?
According to CMS data, John Lemieux is affiliated with Ochsner Lafayette General Medical Center, Iberia Medical Center, Our Lady Of Lourdes Regional Medical Center, Inc and Bayou Bend Health System.
When was this NPI record last updated?
The NPPES record for John Lemieux was last updated on March 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.