Doctor profile · Federal record

Dr. Son Nguyen, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · New Iberia, LA

  • NPI 1881874899
  • Accepts Medicare
  • MIPS 93.5 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2309 E Main St Ste 101
New Iberia, LA 705604063
(337) 364-3301
fax (337) 364-9689
Additional location
1115 Weber St
Franklin, LA 705384124
(337) 828-2550
fax (337) 355-2332

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Louisiana #202570
Medicaid
LA #1079847

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881874899. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,221
Distinct HCPCS
10
Medicare allowed
$310,031
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 806 125 $44
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 463 126 $59
88305 Pathology examination of tissue using a microscope, intermediate complexity 304 189 $31
99213 Established patient office or other outpatient visit, 20-29 minutes 243 158 $85
46221 Removal of external hemorrhoids by rubber banding 228 74 $258
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 174 173 $171
45380 Biopsy of large bowel using a flexible endoscope 150 150 $181
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 135 133 $126
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 112 107 $110
76981 Ultrasound scan of organ tissue for measuring elasticity 74 54 $93

In context: peer comparison

Among 1 peers in New Iberia Gastroenterology Physician, average services per provider: 123. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$388
Transactions
30
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 24 $255.40
Pfizer INC. 3 $54.37
Madrigal Pharmaceuticals 1 $36.34
AstraZeneca Pharmaceuticals Lp 1 $22.51
Qol Medical, LLC 1 $19.81

By nature of payment

Food and Beverage
$388

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,685
Patients
749
Total drug cost
$1,403,543
Drug Type Claims Patients Total cost
Omeprazole Generic 311 111 $2,849
Pantoprazole Sodium Generic 291 100 $2,966
Linzess (Linaclotide) Brand 186 50 $120,103
Sucralfate Generic 136 61 $2,427
Esomeprazole Magnesium Generic 111 35 $3,371
Metoclopramide Hcl Generic 101 35 $690
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 95 94 $1,604
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 93 90 $16,572
Dicyclomine Hcl Generic 83 31 $1,423
Famotidine Generic 66 18 $1,043

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Son Nguyen's medical specialty?
Dr. Son Nguyen practices Gastroenterology Physician in New Iberia, LA.
Where does Dr. Son Nguyen practice?
Dr. Son Nguyen practices at 2309 E Main St Ste 101, New Iberia, LA 705604063. Office phone: 3373643301.
What is Dr. Son Nguyen's NPI?
Dr. Son Nguyen's National Provider Identifier (NPI) is 1881874899, issued by NPPES.
Does Dr. Son Nguyen accept Medicare assignment?
Yes. Dr. Son Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Son Nguyen 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); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.