Son Nguyen, M.D.
NPI 1881874899 · Gastroenterology Physician · New Iberia, LA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Son Nguyen, M.D. is a Gastroenterology Physician provider in New Iberia, LA (NPI 1881874899).
Provider details
- NPI number
- 1881874899
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 202570 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,921 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 1,585 | $45 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 894 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 254 | $84 |
| Removal of External Hemorrhoids By Rubber Banding46221 | 195 | $253 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 162 | $171 |
| Biopsy of Large Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 355 | 94 |
| Omeprazole | 349 | 123 |
| Linaclotidebrand: Linzess | 235 | 67 |
| Sucralfate | 187 | 78 |
| Esomeprazole Magnesium | 182 | 43 |
| Metoclopramide Hcl | 107 | 26 |
| Famotidine | 87 | 22 |
| Dicyclomine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$388 across 30 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1115 Weber StFranklin, LA 70538-4124Phone: (337) 828-2550Fax: (337) 355-2332
Registry dates
- Enumerated
- 2007-11-07
- Last updated
- 2022-07-21
Frequently asked questions
- What is Son Nguyen's NPI number?
- Son Nguyen's National Provider Identifier (NPI) is 1881874899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Son Nguyen's specialty?
- Son Nguyen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Son Nguyen located?
- Son Nguyen's practice location on file with NPPES is 2309 E Main St Ste 101, New Iberia, LA 70560-4063.
- What is Son Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Son Nguyen is (337) 364-3301.
- Does Son Nguyen accept Medicare?
- Son Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Son Nguyen's NPI active?
- Yes — Son Nguyen's NPI (1881874899) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.