MS. MARCIA ANN BLEREAU FNP
NPI 1588198212
Nurse Practitioner - Family in Morgan City, LA
About Ms. Marcia Ann Blereau Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARCIA ANN BLEREAU FNP (NPI 1588198212) is an individual family provider in Morgan City, Louisiana, licensed in Louisiana (AP09264) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Ochsner St Mary, and maintains a secondary practice location in Morgan City.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
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
Ms. Marcia Ann Blereau Fnp 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
2Medicare enrollment records show Marcia Blereau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morgan City, LA 70380
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Houma, LA 70363
- Reassigned Medicare billing, Louisiana enrollment
- 13 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 11
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ochsner St Mary
Acute Care Hospitals · Morgan City, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70380 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 Marcia Blereau's NPI number?
The NPI number for Marcia Blereau is 1588198212. It was assigned to this individual provider in the NPPES registry on April 19, 2017. The provider is also known as Mrs. Marcia Blereau Denning Fnp.
Where is Marcia Blereau located?
Marcia Blereau practices at 1302 Lakewood Dr Ste 200, Morgan City, LA 70380. The listed phone number is (985) 380-4320.
What is Marcia Blereau's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marcia Blereau enrolled in Medicare?
Yes. Marcia Blereau 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 Marcia Blereau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcia Blereau reassigns Medicare benefits to 2 organizations: Ochsner Clinic LLC (Morgan City, LA) and Delta Medical Group (Houma, 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 Marcia Blereau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marcia Blereau accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Blue Cross and Blue Shield of Louisiana and 1 other insurer list Marcia Blereau 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 Marcia Blereau affiliated with any hospitals?
According to CMS data, Marcia Blereau is affiliated with Ochsner St Mary.
When was this NPI record last updated?
The NPPES record for Marcia Blereau was last updated on December 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ms. Marcia Ann Blereau, FNP · NPI 1588198212
Family physician in Morgan City, Louisiana. Individual provider, active in the CMS NPPES registry since April 19, 2017.
## Identity
- **NPI:** 1588198212 (Entity type: Individual)
- **Enumerated:** April 19, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP09264 (Louisiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1302 LAKEWOOD DR STE 200, Morgan City, LA 70380-1885
- **Phone:** (985) 380-4320
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1326664962, Morgan City, LA); Delta Medical Group (NPI 1205210838, Houma, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** December 20, 2023
- **Other identifiers:** Medicaid 2472291 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1588198212) · Data from the CMS NPPES public registry.