Garett R. Istre, N.P.
Family Nurse Practitioner · Lake Charles, LA
Garett R. Istre, N.P. is a family nurse practitioner with a practice address in Lake Charles, Louisiana, and NPI 1174914626, issued on Feb 5, 2015. Check the license (Louisiana AP08181, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Garett R. Istre
- Credential
- N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP08181 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1747 Imperial Blvd, Lake Charles, LA 70605
- Phone
- (337) 721-7236
- Enumerated
- Feb 5, 2015
- Record last updated
- Jun 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 2383248 LA
- Medicare enrollment
- Enrolled (PECOS I20150529001512); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,503 in Louisiana → Look up another NPI →
Also registered at 1747 Imperial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Haley Cart, PAPhysician Assistant1912560541
- Susan Cart, OTOccupational Therapist1174014534
- Sarah Clevenger, M.D.Physical Medicine & Rehabilitation Physician1427475482
Verify Garett R. Istre in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license AP08181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% more Medicare Part D claims than the average family nurse practitioner in 2024
2,422 Medicare Part D claims for 279 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Levothyroxine Sodium149 claims
- Alprazolam95 claims
- Pantoprazole Sodium91 claims
- Lisinopril84 claims
- Amlodipine Besylate79 claims
- Atorvastatin Calcium68 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: $144.08
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 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
- Calcasieu Cameron Hospital Service DistrictSulphur, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garett R. Istre among 4,503 family nurse practitioner records in Louisiana
Garett R. Istre, N.P. is one of 4,503 family nurse practitioner records with a practice address in Louisiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 33% of them.
- NPI issued2015 · 33% of these records are older, 62% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2018 among the 2,959 with a school on file
- Record last updated2015 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
198 family nurse practitioner records list a practice address in Lake Charles
They are 198 of the 2,791 NPPES records with a practice address in Lake Charles, and 4,503 family nurse practitioner records in Louisiana.
All 4,503 in Louisiana → Every provider in Lake Charles → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Laina Bryant, N.P.Lake Charles, LA 706051164847349
- Jamie Burks, CFNPLake Charles, LA 706051427432392
- Kelly Calloway, APRNLake Charles, LA 706051578966768
- Jill Conner, N.P.Lake Charles, LA 706051891824454
- Mary Corbello, FNP-CLake Charles, LA 706051851704878
- Ashley Desormeaux, FNPLake Charles, LA 706051598062721
- Troy Fletcher, CFNPLake Charles, LA 706051639193022
- Katherine Hanks, FNPLake Charles, LA 706051346503828
Common questions
What is Garett R. Istre, N.P.'s NPI number?
Garett R. Istre, N.P.'s National Provider Identifier (NPI) is 1174914626, issued on Feb 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Garett R. Istre, N.P. located?
The NPPES record lists a practice address at 1747 Imperial Blvd, Lake Charles, LA, 70605. Phone: (337) 721-7236. Providers update this record themselves, so call before visiting.
How can I verify Garett R. Istre, N.P.'s license?
NPPES lists Louisiana license number AP08181, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Garett R. Istre, N.P. prescribe under Medicare Part D?
In 2024, Garett R. Istre, N.P. had 2,422 Medicare Part D claims for 279 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.