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Katherine Couch Devillier, PMNHNP

NPI 1164283909ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Lake Charles, LA

Nurse Practitioner, Psych/Mental Health (PMNHNP) with Access Serenity of Louisiana LLC and 2 other groups, practicing in Lake Charles, Louisiana. Part D covered 34 prescriptions written in 2024, 94% of them generic. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $772.59 in all, mostly food and beverage. Lists Christus Ochsner St Patrick Hospital as a hospital affiliation.

Overview

NPI1164283909
StatusActive
Entity typeIndividual
CredentialPMNHNP
Sole proprietorNo
NPI issuedJan 18, 2024
Last updated in NPPESJan 18, 2024
Certified by providerJan 18, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner, Psych/Mental Health Primary363LP0808X234210LA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Nurse Practitioner (LA)

Part D prescriptions in 2024

Prescriptions (claims)34 · 47 30-day fills
Total drug cost$3,250
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Graduation year2023
Medicare specialtyNurse Practitioner

Medical groups

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$772.59 · 34 payments from 14 companies
  • 2024$768.71 · 29 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$772.59 · 34 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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