Dr. John G. Lemieux, MD
- Medicare services, 2024
- 3,483
- Medicare patients, 2024
- 2,088
- MIPS score, 2024
- 75
- Hospital affiliations
- 4
- Medical groups
- 4
- Practice address
- 2315 E Main Street, New Iberia, LA 70560
- Practice phone
- Call (337) 364-0441
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John G. Lemieux is a diagnostic radiologist in New Iberia, Louisiana
Dr. Lemieux practices at Iberia Medical Center in New Iberia, Louisiana, part of Iberia Parish Fire District #1.
Dr. Lemieux's NPI, 1649210709, was assigned on June 7, 2006. Dr. Lemieux graduated from Louisiana State University School of Medicine in New Orleans in 1995. Dr. Lemieux holds Louisiana license 13032R.
- NPI
- 1649210709NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739279845
- NPI enumeration date
- June 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (337) 364-0441
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John G. Lemieux practices at Iberia Medical Center in New Iberia, Louisiana
Dr. Lemieux's primary practice is Iberia Medical Center, at 2315 E Main Street, New Iberia, LA 70560 in Iberia Parish. The practice phone is (337) 364-0441.
- Iberia Medical Center2315 E Main Street, New Iberia, LA 70560 · Iberia ParishPhone(337) 364-0441
Source: Dmand AI Affiliation Data
Dr. John G. Lemieux is affiliated with 4 sites of care and 4 medical groups
Dr. Lemieux's primary practice is Iberia Medical Center in New Iberia, Louisiana, part of Iberia Parish Fire District #1. Dr. Lemieux is also affiliated with Ochsner Lafayette General Medical Center. The medical group on file is Acadiana Radiology Group. Dmand AI also links Dr. Lemieux to 2 more hospitals and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John G. Lemieux's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lemieux practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Iberia Medical Center | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Iberia Parish Fire District #1 and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John G. Lemieux is one of 415 diagnostic radiologists in Louisiana
Diagnostic radiology is Dr. Lemieux's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Lemieux is licensed in Louisiana.
Specialties and state licenses
- Diagnostic radiology, LouisianaPrimary
Diagnostic radiologists near Dr. Lemieux
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John G. Lemieux billed Medicare for 3,483 services in 2024
CMS data shows 3,483 Medicare services from Dr. Lemieux across 51 procedure codes in 2024, for 2,088 Medicare patients. Medicare paid $70,913 for them.
Dr. Lemieux's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3,0782024: 3,3358%
- Tests and treatments
- 2023: 1452024: 10528%
- Other services
- 2023: 342024: 4326%
Where Dr. Lemieux's Medicare services took place, 2024
- In an office762%
- In a facility3,40798%
Dr. Lemieux compared with the Louisiana median for diagnostic radiologists, 2024
- Dr. Lemieux
- Louisiana median
- Medicare services
- 3,483vs 1,84089% above
- Medicare patients
- 2,088vs 1,41348% above
Medians across 428 diagnostic radiologists in Louisiana with Dmand AI profiles that report each measure.
Dr. Lemieux's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lemieux and other diagnostic radiologists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John G. Lemieux treated 2,088 Medicare patients in 2024, average age 74
CMS counts 2,088 Medicare patients who saw Dr. Lemieux in 2024. The largest group is 65 to 74, with 889 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lemieux's median patient age at 69, with 72% women.
Dr. Lemieux's Medicare patients by age, 2024
Dr. Lemieux's Medicare patients by sex, 2024
- Women1,30763%
- Men78137%
Chronic conditions among Dr. Lemieux's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes38%
- Ischemic heart disease37%
- Anxiety35%
- Mood disorders31%
- Depression30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lemieux's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women72%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John G. Lemieux scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Lemieux for performance year 2024, reported as part of a group. Dr. Lemieux accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John G. Lemieux graduated from Louisiana State University School of Medicine in New Orleans
Dr. Lemieux graduated from Louisiana State University School of Medicine in New Orleans in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John G. Lemieux's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John G. Lemieux
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John G. Lemieux's NPI number?
Dr. John G. Lemieux's NPI number is 1649210709. It was assigned on June 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John G. Lemieux?
Dr. John G. Lemieux is a diagnostic radiologist in New Iberia, Louisiana. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John G. Lemieux practice?
Dr. Lemieux practices at 2315 E Main Street, New Iberia, LA 70560. Dr. Lemieux's primary practice is Iberia Medical Center in New Iberia, Louisiana, part of Iberia Parish Fire District #1. Dmand AI also links Dr. Lemieux to 2 hospitals and 3 medical groups.
What is Dr. John G. Lemieux's office phone number?
The practice phone on file for Dr. Lemieux is (337) 364-0441.
What is Dr. John G. Lemieux's medical license number?
Dr. Lemieux holds Louisiana license 13032R.
Which hospitals is Dr. John G. Lemieux affiliated with?
Dr. Lemieux practices at Iberia Medical Center in New Iberia, Louisiana. Dr. Lemieux is also affiliated with Ochsner Lafayette General Medical Center. Dmand AI links Dr. Lemieux to 2 more hospitals.
What medical group is Dr. John G. Lemieux part of?
Dr. Lemieux is linked to Acadiana Radiology Group. Dmand AI links Dr. Lemieux to 3 more medical groups.
Does Dr. John G. Lemieux accept Medicare?
Yes. CMS data shows Dr. Lemieux billed Medicare for 3,483 services in 2024, and Dr. Lemieux accepts Medicare assignment.
What is Dr. John G. Lemieux's MIPS score?
Dr. Lemieux's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. John G. Lemieux see?
CMS counts 2,088 Medicare patients who saw Dr. Lemieux in 2024, with an average age of 74.
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What services does Dr. John G. Lemieux bill to Medicare?
In 2024, Dr. Lemieux's most billed Medicare services were diagnostic imaging (71046), diagnostic imaging (71045) and radiation oncology (77067).
Where did Dr. John G. Lemieux go to medical school?
Dr. Lemieux graduated from Louisiana State University School of Medicine in New Orleans in 1995.
How long has Dr. John G. Lemieux been practicing?
Dr. Lemieux graduated from medical school in 1995, 31 years ago.
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