Stephen C. Duplechain, MD
Gastroenterology Physician · Thibodaux, LA
Stephen C. Duplechain, MD is a gastroenterology physician with a practice address in Thibodaux, Louisiana, and NPI 1861460982, issued on Mar 14, 2006. Check the license (Louisiana 10530R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Stephen C. Duplechain
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 10530R LA
Self-reported in NPPES; status is on the state search - Practice location
- 602 N Acadia RD, Thibodaux, LA 70301
- Phone
- (985) 446-1958
- Enumerated
- Mar 14, 2006
- Record last updated
- Oct 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (985) 446-0121
- Medicaid ID
- 1992798 LA
- Medicare enrollment
- Enrolled (PECOS I20050524000624); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1993
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 263 in Louisiana → Look up another NPI →
Also registered at 602 N Acadia RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mayfield Armstrong, ATCAthletic Trainer1174768519
- Blain Arthurs, M.D.Diagnostic Radiology Physician1790892784
Verify Stephen C. Duplechain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 10530RCheck 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 gastroenterology physician in 2024
2,423 Medicare Part D claims for 773 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Pantoprazole Sodium519 claims
- Clenpiq265 claims
- Famotidine208 claims
- Omeprazole197 claims
- Esomeprazole Magnesium137 claims
- Dicyclomine Hcl126 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $659.21
47 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Texas Digestive Disease Consultants, PLLCThibodaux, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen C. Duplechain among 263 gastroenterology physician records in Louisiana
Stephen C. Duplechain, MD is one of 263 gastroenterology physician records with a practice address in Louisiana. 88% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 46% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1993 · median 2004 among the 207 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Louisiana
There are 263 gastroenterology physician records in Louisiana.
All 263 in Louisiana → Every provider in Thibodaux → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Charles Monier, MDThibodaux, LA 703011043288160
- Pasam Rao, MDThibodaux, LA 703011023152063
- Justin Toups, M.D.Thibodaux, LA 703011780877431
- David Pellegrin, M.D.Houma, LA 703601679662936
- Babiswarup Chandamuri, M.D.Houma, LA 703631104140144
- David Matherne, DOHouma, LA 703631710092242
- Hamid Hussain, M.D.Bogalusa, LA 704271225018989
- Glenn Hedgpeth, MDCovington, LA 704331821098948
Common questions
What is Stephen C. Duplechain, MD's NPI number?
Stephen C. Duplechain, MD's National Provider Identifier (NPI) is 1861460982, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen C. Duplechain, MD located?
The NPPES record lists a practice address at 602 N Acadia RD, Thibodaux, LA, 70301. Phone: (985) 446-1958. Providers update this record themselves, so call before visiting.
How can I verify Stephen C. Duplechain, MD's license?
NPPES lists Louisiana license number 10530R, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen C. Duplechain, MD prescribe under Medicare Part D?
In 2024, Stephen C. Duplechain, MD had 2,423 Medicare Part D claims for 773 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Stephen C. Duplechain, MD's MIPS final score?
The 2023 MIPS final score is 79.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.