Quick answers
- Does Marie C. Lagarde accept Medicare assignment?
- Yes. Medicare's clinician data says Marie C. Lagarde accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marie C. Lagarde see?
- In 2024, CMS data shows 215 Original Medicare patients and 665 services for Marie C. Lagarde. This counts Original Medicare only and measures volume, not quality.
- What is Marie C. Lagarde's NPI number?
- 1225148737. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marie C. Lagarde, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 215 |
|---|---|
| Services billed to Medicare | 665 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Complete ultrasound scan of 1 breast (76641)199 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)187 services
- Limited ultrasound scan of 1 breast (76642)40 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)20 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)17 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure69%
- Arthritis54%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)51%
- Anxiety38%
- Ischemic heart disease26%
Hospitals where Marie C. Lagarde works
Medicare's Facility Affiliation Data lists Marie C. Lagarde at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- AvalaCovington, LA · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 190267
- East Jefferson General HospitalMetairie, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190176
- North Oaks Medical CenterHammond, LA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 190015
- St Tammany Parish HospitalCovington, LA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 190045
Practice locations
Addresses where Marie C. Lagarde is enrolled with Medicare (CMS data updated October 2, 2026).
- 4950 Essen LnBaton Rouge, LA 70809 (225) 767‑0847
- 4950 Essen Ln, Suite 200Baton Rouge, LA 70809
- 67252 Industry LnCovington, LA 70433 (985) 801‑6216
Group practices
Medicare enrollment lists Marie C. Lagarde as a member of this group (CMS data updated October 2, 2026).
- Mary Bird Perkins Cancer Center100 clinicians in the group
Specialties
- Surgical Oncologyprimary
- General Surgeryalso
Other surgical oncologists in Baton Rouge
Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.
Other clinicians in Mary Bird Perkins Cancer Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1975 (51 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225148737 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians