Doctor profile · Federal record

Dr. Stephen Duplechain, MD

Gastroenterology Physician (CMS: Gastroenterology) · Thibodaux, LA

  • NPI 1861460982
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
602 N Acadia RD, Suite 101
Thibodaux, LA 703014847
(985) 446-1958
fax (985) 446-0121

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
October 11, 2012
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Louisiana #10530R
Medicaid
LA #1992798

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861460982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,594
Distinct HCPCS
10
Medicare allowed
$150,744
HCPCS Description Services Patients Avg allowed
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 333 44 $44
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 198 45 $59
99213 Established patient office or other outpatient visit, 20-29 minutes 163 134 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 158 123 $117
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 118 117 $238
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 100 98 $80
45380 Biopsy of large bowel using a flexible endoscope 89 88 $86
99204 New patient office or other outpatient visit, 45-59 minutes 81 81 $155
99203 New patient office or other outpatient visit, 30-44 minutes 69 69 $106
91200 Measurement of liver stiffness 46 45 $27

In context: peer comparison

Among 3 peers in this city , average services per provider: 98. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$659
Transactions
47
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 28 $255.59
Madrigal Pharmaceuticals 3 $90.46
Celgene Corporation 3 $66.05
GENZYME CORPORATION 2 $61.45
PFIZER INC. 3 $47.50
Phathom Pharmaceuticals, Inc. 2 $35.32
Ardelyx, Inc. 1 $19.46
IRONWOOD PHARMACEUTICALS, INC 1 $19.33
RedHill Biopharma Inc. 1 $18.13
Merck Sharp & Dohme LLC 1 $15.48
Braintree Laboratories, Inc. 1 $15.28
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $15.16

By nature of payment

Food and Beverage
$659

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,919
Patients
749
Total drug cost
$200,947
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 505 144 $6,482
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 222 218 $33,740
Omeprazole Generic 211 65 $2,754
Dicyclomine Hcl Generic 206 67 $6,026
Colestipol Hcl Generic 120 33 $7,704
Famotidine Generic 116 29 $2,428
Linzess (Linaclotide) Brand 106 29 $79,317
Esomeprazole Magnesium Generic 84 25 $1,862
Metronidazole Generic 67 60 $552
Mesalamine Er (Mesalamine) Brand 63 14 $19,426

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Duplechain's medical specialty?
Dr. Stephen Duplechain practices Gastroenterology Physician in Thibodaux, LA.
Where does Dr. Stephen Duplechain practice?
Dr. Stephen Duplechain practices at 602 N Acadia RD, Thibodaux, LA 703014847. Office phone: 9854461958.
What is Dr. Stephen Duplechain's NPI?
Dr. Stephen Duplechain's National Provider Identifier (NPI) is 1861460982, issued by NPPES.
Does Dr. Stephen Duplechain accept Medicare assignment?
Yes. Dr. Stephen Duplechain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Duplechain commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.