STEPHANIE SAIZAN GUILLORY ANP
NPI 1790960789
Nurse Practitioner in Opelousas, LA
About Stephanie Saizan Guillory Anp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHANIE SAIZAN GUILLORY ANP (NPI 1790960789) is an individual nurse practitioner in Opelousas, Louisiana, licensed in Louisiana (RN087931-AP05435) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS, is affiliated with Acadia General Hospital, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Stephanie Saizan Guillory Anp 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 Stephanie Guillory 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
- 40 clinicians in this Medicare group
Houma, LA 70360
- Reassigned Medicare billing, Louisiana and Mississippi enrollments
- 162 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Acadia General Hospital
Acute Care Hospitals · Crowley, LAOchsner American Legion Hospital
Acute Care Hospitals · Jennings, LAOchsner St Martin Hospital
Critical Access Hospitals · Breaux Bridge, LAAbrom Kaplan Memorial Hospital
Critical Access Hospitals · Kaplan, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70570 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
OPELOUSAS, LA 70570
OPELOUSAS, LA 70570
OPELOUSAS, LA 70570
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 Stephanie Guillory's NPI number?
The NPI number for Stephanie Guillory is 1790960789. It was assigned to this individual provider in the NPPES registry on January 8, 2008.
Where is Stephanie Guillory located?
Stephanie Guillory practices at 1233 Wayne Gilmore Cir Suite 450, Opelousas, LA 70570. The listed phone number is (337) 942-3006.
What is Stephanie Guillory's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Stephanie Guillory enrolled in Medicare?
Yes. Stephanie Guillory 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 Stephanie Guillory's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Guillory reassigns Medicare benefits to 2 organizations: Opelousas General Hospital Authority (Opelousas, LA) and Cardiovascular Institute Of The South, LLC (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 Stephanie Guillory's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephanie Guillory 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 Stephanie Guillory 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 Stephanie Guillory affiliated with any hospitals?
According to CMS data, Stephanie Guillory is affiliated with Acadia General Hospital, Ochsner American Legion Hospital, Ochsner St Martin Hospital and Abrom Kaplan Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Stephanie Guillory was last updated on May 14, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Stephanie Saizan Guillory, ANP · NPI 1790960789
Nurse Practitioner physician in Opelousas, Louisiana. Individual provider, active in the CMS NPPES registry since January 8, 2008.
## Identity
- **NPI:** 1790960789 (Entity type: Individual)
- **Enumerated:** January 8, 2008
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN087931-AP05435 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1233 WAYNE GILMORE CIR, SUITE 450, Opelousas, LA 70570-6405
- **Phone:** (337) 942-3006 · **Fax:** (337) 942-7744
## 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): Opelousas General Hospital Authority (NPI 1750507281, Opelousas, LA); Cardiovascular Institute Of The South, LLC (NPI 1982689113, Houma, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** May 14, 2008
- **Other identifiers:** Medicaid 1039586 (LA); Medicare PIN 3A6066833 (LA)
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Source: [NPI Profile](https://npiprofile.com/npi/1790960789) · Data from the CMS NPPES public registry.