Thomas R. Jarnagin, MD
Specialist · Opelousas, LA
Thomas R. Jarnagin, MD is a specialist with a practice address in Opelousas, Louisiana, and NPI 1265411797, issued on Jan 12, 2006. Check the license (Louisiana 025397, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas R. Jarnagin
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 025397 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1268 Attakapas Dr, Opelousas, LA 70570
- Phone
- (337) 942-8975
- Enumerated
- Jan 12, 2006
- Record last updated
- Dec 18, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (337) 506-3382
- Medicaid ID
- 1424315 LA
- Medicare enrollment
- Enrolled (PECOS I20041210000012); accepts Medicare assignment
- Medical or professional school
- Ponce School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest specialist records → All 550 in Louisiana → Look up another NPI →
Also registered at 1268 Attakapas Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Karen Simpson, MDAnatomic Pathology & Clinical Pathology Physician1831264373
Verify Thomas R. Jarnagin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 025397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average specialist in 2024
267 Medicare Part D claims for 37 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol62 claims
- Estradiol (Twice Weekly)24 claims
- Premarin23 claims
- Venlafaxine Hcl Er21 claims
- Alprazolam16 claims
- Alendronate Sodium15 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: $16.17
1 payment: food and beverage; the largest payer was Sage Therapeutics, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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
- Womens Center For Better Health ApmcOpelousas, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas R. Jarnagin among 550 specialist records in Louisiana
Thomas R. Jarnagin, MD is one of 550 specialist records with a practice address in Louisiana. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 23% of these records are
- Graduated2000 · median 1991 among the 124 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Louisiana
There are 550 specialist records in Louisiana.
All 550 in Louisiana → Every provider in Opelousas → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- C. Boagni, M.D.Opelousas, LA 705701689873440
- John Kempf, M.D.,F.A.C.O.G.Opelousas, LA 705701144287079
- Mia Singleton-Ben, M.D.Opelousas, LA 705701619040342
- John Vallian, MDOpelousas, LA 705701023003159
- Robert Miller, M.D.New Iberia, LA 705631154333110
- James Falterman, MDNew Iberia, LA 705601215928163
- Edward Haile, MDNew Iberia, LA 705601295831105
- Conway Geoffroy, P.T.St Martinville, LA 705821104985035
Common questions
What is Thomas R. Jarnagin, MD's NPI number?
Thomas R. Jarnagin, MD's National Provider Identifier (NPI) is 1265411797, issued on Jan 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas R. Jarnagin, MD located?
The NPPES record lists a practice address at 1268 Attakapas Dr, Opelousas, LA, 70570. Phone: (337) 942-8975. Providers update this record themselves, so call before visiting.
How can I verify Thomas R. Jarnagin, MD's license?
NPPES lists Louisiana license number 025397, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas R. Jarnagin, MD prescribe under Medicare Part D?
In 2024, Thomas R. Jarnagin, MD had 267 Medicare Part D claims for 37 beneficiaries; the average among specialist prescribers was 1,380. 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.