MRS. MARION B BREWER FNP-C
NPI 1235902859
Nurse Practitioner - Primary Care in Bay St Louis, MS
About Mrs. Marion B Brewer Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARION B BREWER FNP-C (NPI 1235902859) is an individual primary care provider in Bay St Louis, Mississippi, licensed in Mississippi (906349) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center-hancock, and is a graduate of Other (2023).
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
Mrs. Marion B Brewer Fnp-c 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 Marion Brewer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bay St Louis, MS 39520
- Reassigned Medicare billing, Mississippi enrollment
- 90 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
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 Medical Center-Hancock
Acute Care Hospitals · Bay Saint Louis, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39520 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAY ST LOUIS, MS 39520
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 Marion Brewer's NPI number?
The NPI number for Marion Brewer is 1235902859. It was assigned to this individual provider in the NPPES registry on November 6, 2023.
Where is Marion Brewer located?
Marion Brewer practices at 109 Hospital Dr, Bay St Louis, MS 39520. The listed phone number is (228) 463-9666.
What is Marion Brewer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Marion Brewer enrolled in Medicare?
Yes. Marion Brewer 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 Marion Brewer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marion Brewer reassigns Medicare benefits to Coastal Family Health Center, Inc (Bay St Louis, MS). 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 Marion Brewer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marion Brewer accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Marion Brewer 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 Marion Brewer affiliated with any hospitals?
According to CMS data, Marion Brewer is affiliated with Ochsner Medical Center-Hancock.
When was this NPI record last updated?
The NPPES record for Marion Brewer was last updated on December 1, 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.
# Mrs. Marion B Brewer, FNP-C · NPI 1235902859
Primary Care physician in Bay St Louis, Mississippi. Individual provider, active in the CMS NPPES registry since November 6, 2023.
## Identity
- **NPI:** 1235902859 (Entity type: Individual)
- **Enumerated:** November 6, 2023
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 906349 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 109 HOSPITAL DR, Bay St Louis, MS 39520-1604
- **Phone:** (228) 463-9666
## 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:** Coastal Family Health Center, Inc (NPI 1124016209, Bay St Louis, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** December 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1235902859) · Data from the CMS NPPES public registry.