OLIVIA MULLER SMITH
NPI 1861086449
Nurse Practitioner - Family in Port Barre, LA
About Olivia Muller Smith NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVIA MULLER SMITH (NPI 1861086449) is an individual family provider in Port Barre, Louisiana, licensed in Louisiana (218680) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS, is affiliated with Mercy Regional Medical Center, and is a graduate of Other (2020).
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
Olivia Muller Smith 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 Olivia Smith reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Opelousas, LA 70570
- Reassigned Medicare billing, Louisiana enrollment
- 13 clinicians in this Medicare group
Washington, LA 70589
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: St Landry Family Healthcare LLC
- 15 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Regional Medical Center
Acute Care Hospitals · Ville Platte, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70577 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT BARRE, LA 70577
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 Olivia Smith's NPI number?
The NPI number for Olivia Smith is 1861086449. It was assigned to this individual provider in the NPPES registry on February 24, 2021.
Where is Olivia Smith located?
Olivia Smith practices at 17695 Highway 190, Port Barre, LA 70577. The listed phone number is (337) 585-7898.
What is Olivia Smith's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Olivia Smith enrolled in Medicare?
Yes. Olivia Smith 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 Olivia Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Smith reassigns Medicare benefits to 2 organizations: Lhcg Clxix, LLC (Opelousas, LA) and Clhg-Ville Platte LLC (Washington, 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 Olivia Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Smith accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and AmeriHealth Caritas Next and 3 other insurers list Olivia Smith 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 Olivia Smith affiliated with any hospitals?
According to CMS data, Olivia Smith is affiliated with Mercy Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Olivia Smith was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.
# Olivia Muller Smith · NPI 1861086449
Family physician in Port Barre, Louisiana. Individual provider, active in the CMS NPPES registry since February 24, 2021.
## Identity
- **NPI:** 1861086449 (Entity type: Individual)
- **Enumerated:** February 24, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 218680 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 17695 HIGHWAY 190, Port Barre, LA 70577
- **Phone:** (337) 585-7898 · **Fax:** (337) 585-7899
## 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): Lhcg Clxix, LLC (NPI 1891309506, Opelousas, LA); Clhg-Ville Platte LLC (NPI 1376911735, Washington, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 21, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1861086449) · Data from the CMS NPPES public registry.