NPPES file of Aug 9, 2026

Son Van Nguyen, M.D.

Gastroenterology Physician · New Iberia, LA

Son Van Nguyen, M.D. is a gastroenterology physician with a practice address in New Iberia, Louisiana, and NPI 1881874899, issued on Nov 7, 2007. Check the license (Louisiana 202570, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881874899
Name
Son Van Nguyen
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
202570 LA
Self-reported in NPPES; status is on the state search
Practice location
2309 E Main St Ste 101, New Iberia, LA 70560
Phone
(337) 364-3301
Enumerated
Nov 7, 2007
Record last updated
Jul 21, 2022
Fax
(337) 364-9689
Medicaid ID
1079847 LA
Medicare enrollment
Enrolled (PECOS I20090825000531); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2309 E Main St Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Duck, PAPhysician Assistant1770762668

Verify Son Van Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 202570
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Louisiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.4 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,783 Medicare Part D claims for 744 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Son Nguyen2,783
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium355 claims
  2. Omeprazole349 claims
  3. Linzess235 claims
  4. Sucralfate187 claims
  5. Esomeprazole Magnesium182 claims
  6. Metoclopramide Hcl107 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): 94.6 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.

  1. Qualityout of 100 · 30% of the final score95.6
  2. Costout of 100 · 30%82.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $388.43

30 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.

  1. Son Nguyen$388.43
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Hospital Service District NO. 1 OF Iberia ParishNew Iberia, LA
  2. Iberia Gastroenterology Associates, Inc. A Professional Medical CorporNew Iberia, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Son Van Nguyen among 263 gastroenterology physician records in Louisiana

Son Van Nguyen, M.D. 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 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 35% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2006 · median 2004 among the 207 with a school on file
  • Record last updated2022 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Wilford Stokes, M.D.New Iberia, LA 705601871593277
  2. Luis Alvarez, M.D.New Iberia, LA 705631174599559
  3. Sarpreet Basra, M.D.Lake Charles, LA 706011427224765
  4. Gerald Byrd, MDLake Charles, LA 706011083676241
  5. Eric Fontenot, M.D.Lake Charles, LA 706011083931646
  6. Francisco Marrero, MDLake Charles, LA 706011093705055
  7. Paul Nichols, M.D.Lake Charles, LA 706011922074574
  8. Nisha Patel, M.D.Lake Charles, LA 706011538304597

Common questions

What is Son Van Nguyen, M.D.'s NPI number?

Son Van Nguyen, M.D.'s National Provider Identifier (NPI) is 1881874899, issued on Nov 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Son Van Nguyen, M.D. located?

The NPPES record lists a practice address at 2309 E Main St Ste 101, New Iberia, LA, 70560. Phone: (337) 364-3301. Providers update this record themselves, so call before visiting.

How can I verify Son Van Nguyen, M.D.'s license?

NPPES lists Louisiana license number 202570, 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 Son Van Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Son Van Nguyen, M.D. had 2,783 Medicare Part D claims for 744 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Son Van Nguyen, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.6 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.