KATHERINE COUCH DEVILLIER PMNHNP
NPI 1164283909
Nurse Practitioner - Psychiatric/Mental Health in Lake Charles, LA

Active since January 18, 2024PECOS EnrolledAccepts Medicare Assignment
1924 SOUTHWOOD DR, LAKE CHARLES, LA 70605(337) 240-8162 Get Directions Write a Review

NPPES record last updated: January 18, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Katherine Couch Devillier Pmnhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE COUCH DEVILLIER PMNHNP (NPI 1164283909) is an individual psychiatric/mental health provider in Lake Charles, Louisiana, licensed in Louisiana (234210) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Christus Ochsner St Patrick Hospital, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1164283909
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameKATHERINE COUCH DEVILLIERCredential: PMNHNP
Location Address1924 SOUTHWOOD DRLake Charles, LA 70605-4131
Mailing Address1924 Southwood DrLake Charles, LA 70605-4131 · (337) 240-8162
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJanuary 18, 2024
NPPES CertifiedJanuary 18, 2024
✔ NPI 1164283909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in LA · 234210
1924 SOUTHWOOD DR, Lake Charles, LA 70605

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

Katherine Couch Devillier Pmnhnp 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.

PECOS PAC ID143669457
PECOS Enrollment IDI20240419001039
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Katherine Devillier reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Professional
1924 SOUTHWOOD DR
Lake Charles, LA 70605
  • Reassigned Medicare billing, Louisiana enrollment
  • 7 clinicians in this Medicare group
Psychiatry
2837 ERNEST ST STE A
Lake Charles, LA 70601
  • Reassigned Medicare billing, Louisiana enrollment
  • 5 clinicians in this Medicare group
Psychiatry
401 DR MICHAEL DEBAKEY DR STE 301
Lake Charles, LA 70601
  • Reassigned Medicare billing, Louisiana enrollment
  • 15 clinicians in this Medicare group
Psychiatry
187 S TONTI DR
Many, LA 71449
  • Reassigned Medicare billing, Louisiana enrollment
  • 12 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.

Christus Ochsner St Patrick Hospital

Acute Care Hospitals · Lake Charles, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190027
Location524 Dr Michael Debakey DriveLake Charles, LA 70601 · Calcasieu County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Counselor (Professional)
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Counselor (Professional)
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Behavior Analyst
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Dentist (Endodontics)
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Behavior Analyst
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Nurse Practitioner (Psychiatric/Mental Health)
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605
Nurse Practitioner (Psychiatric/Mental Health)
1924 SOUTHWOOD DR
LAKE CHARLES, LA 70605

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 Katherine Devillier's NPI number?

The NPI number for Katherine Devillier is 1164283909. It was assigned to this individual provider in the NPPES registry on January 18, 2024.

Where is Katherine Devillier located?

Katherine Devillier practices at 1924 Southwood Dr, Lake Charles, LA 70605. The listed phone number is (337) 240-8162.

What is Katherine Devillier's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Katherine Devillier enrolled in Medicare?

Yes. Katherine Devillier 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 Katherine Devillier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Devillier reassigns Medicare benefits to 4 organizations: Renaissance Solutions, LLC (Lake Charles, LA), Stonebridge Health Systems, LLC (Lake Charles, LA), Lake Area Psychiatry LLC (Lake Charles, LA) and Access Serenity Of Louisiana, LLC (Many, 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 Katherine Devillier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Devillier 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 3 other insurers list Katherine Devillier 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 Katherine Devillier affiliated with any hospitals?

According to CMS data, Katherine Devillier is affiliated with Christus Ochsner St Patrick Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Devillier was last updated on January 18, 2024. 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.