Katherine Couch Devillier, PMNHNP
Psychiatric/Mental Health Nurse Practitioner · Lake Charles, LA
Katherine Couch Devillier, PMNHNP is a psychiatric/mental health nurse practitioner with a practice address in Lake Charles, Louisiana, and NPI 1164283909, issued on Jan 18, 2024. Check the license (Louisiana 234210, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Couch Devillier
- Credential
- PMNHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 234210 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1924 Southwood Dr, Lake Charles, LA 70605
- Phone
- (337) 240-8162
- Enumerated
- Jan 18, 2024
- Record last updated
- Jan 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20240419001039); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 755 in Louisiana → Look up another NPI →
Also registered at 1924 Southwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Megan CrossBehavior Analyst1578933073
- Martina Diaz AguilarMental Health Counselor1861364762
- Sydney Fontenot, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1780481812
- Todd Furman, BCBA, LBABehavior Analyst1538807730
- Kehri Jones, BCBABehavior Analyst1902389547
- Oshe Lewis-Reese, LPCProfessional Counselor1437772936
Verify Katherine Couch Devillier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 234210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
34 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $768.71
29 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Access Serenity OF Louisiana LLCLake Charles, LA
- Lake Area Psychiatry LLCLake Charles, LA
- Renaissance Solutions LLCLake Charles, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Couch Devillier among 755 psychiatric/mental health nurse practitioner records in Louisiana
Katherine Couch Devillier, PMNHNP is one of 755 psychiatric/mental health nurse practitioner records with a practice address in Louisiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 71% of them.
- NPI issued2024 · 71% of these records are older, 18% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2023 · median 2021 among the 475 with a school on file
- Record last updated2024 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 psychiatric/mental health nurse practitioner records list a practice address in Lake Charles
They are 49 of the 2,791 NPPES records with a practice address in Lake Charles, and 755 psychiatric/mental health nurse practitioner records in Louisiana.
All 755 in Louisiana → Every provider in Lake Charles → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kristin Attaway, NPLake Charles, LA 706051265900039
- Sydney Fontenot, PMHNP-BCLake Charles, LA 706051780481812
- James Gay, APRNLake Charles, LA 706051992823272
- Kathryn Gorham, APRNLake Charles, LA 706051982587713
- Cain Schexneider, APRNLake Charles, LA 706051588147276
- Jacqueline Taylor, APRN, PMHNP-BCLake Charles, LA 706051902441827
- Sarah WalkerLake Charles, LA 706051760825152
- Troy Barrow, APRNLake Charles, LA 706071538566336
Common questions
What is Katherine Couch Devillier, PMNHNP's NPI number?
Katherine Couch Devillier, PMNHNP's National Provider Identifier (NPI) is 1164283909, issued on Jan 18, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Couch Devillier, PMNHNP located?
The NPPES record lists a practice address at 1924 Southwood Dr, Lake Charles, LA, 70605. Phone: (337) 240-8162. Providers update this record themselves, so call before visiting.
How can I verify Katherine Couch Devillier, PMNHNP's license?
NPPES lists Louisiana license number 234210, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Couch Devillier, PMNHNP prescribe under Medicare Part D?
In 2024, Katherine Couch Devillier, PMNHNP had 34 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.