John S. Larson, APRN
Psychiatric/Mental Health Nurse Practitioner · Lafayette, LA
John S. Larson, APRN is a psychiatric/mental health nurse practitioner with a practice address in Lafayette, Louisiana, and NPI 1144783408, issued on Apr 12, 2019. Check the license (Louisiana 204085, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John S. Larson
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 204085 LA
Self-reported in NPPES; status is on the state search - Practice location
- 302 Dulles Dr, Lafayette, LA 70506
- Phone
- (337) 262-4100
- Enumerated
- Apr 12, 2019
- Record last updated
- Apr 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190621002072); 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 302 Dulles Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Merriel .brown, REGISTERED NURSEAdult Psychiatric/Mental Health Registered Nurse1518004845
- Kylie AlexanderSocial Worker1265053086
- Patrice Ambrose, M.D.Psychiatry Physician1184759664
- Eva Auguillard, LPNLicensed Practical Nurse1689711848
- Jennifer BellClinical Social Worker1528428661
- Joyce Ben, LCSW-BACS, LAC, CSTClinical Social Worker1457400319
Verify John S. Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 204085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average psychiatric/mental health nurse practitioner in 2024
2,739 Medicare Part D claims for 132 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Buspirone Hcl225 claims
- Sertraline Hcl199 claims
- Fluoxetine Hcl149 claims
- Quetiapine Fumarate139 claims
- Trazodone Hcl138 claims
- Aripiprazole135 claims
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: $800.67
58 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 one group practice
- Acadiana Area Human Services DistrictLafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John S. Larson among 755 psychiatric/mental health nurse practitioner records in Louisiana
John S. Larson, APRN 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 2019, is newer than 39% of them.
- NPI issued2019 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2018 · median 2021 among the 475 with a school on file
- Record last updated2019 · 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).
69 psychiatric/mental health nurse practitioner records list a practice address in Lafayette
They are 69 of the 5,181 NPPES records with a practice address in Lafayette, and 755 psychiatric/mental health nurse practitioner records in Louisiana.
All 755 in Louisiana → Every provider in Lafayette → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Augusta AnyamaLafayette, LA 705061972126001
- Kathleen Boudreaux, P.M.H.N.P.Lafayette, LA 705061659540250
- Ann CurnutteLafayette, LA 705061568130367
- Brittany Domingue, PMHNP-BCLafayette, LA 705061508745258
- Harold FrizzellLafayette, LA 705061578088407
- Adrienne Goree, APRNLafayette, LA 705061053203455
- Dominque Jones, MSN, APRN, FNP-BCLafayette, LA 705061821419599
- Patricia La Brosse, APRN, BCLafayette, LA 705061386860062
Common questions
What is John S. Larson, APRN's NPI number?
John S. Larson, APRN's National Provider Identifier (NPI) is 1144783408, issued on Apr 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John S. Larson, APRN located?
The NPPES record lists a practice address at 302 Dulles Dr, Lafayette, LA, 70506. Phone: (337) 262-4100. Providers update this record themselves, so call before visiting.
How can I verify John S. Larson, APRN's license?
NPPES lists Louisiana license number 204085, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does John S. Larson, APRN prescribe under Medicare Part D?
In 2024, John S. Larson, APRN had 2,739 Medicare Part D claims for 132 beneficiaries; 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.