Nghia Nguyen
NPI 1154718997 · Gastroenterology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nghia Nguyen is a Gastroenterology Physician provider in San Diego, CA (NPI 1154718997).
Provider details
- NPI number
- 1154718997
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A144052 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 410 | 376 |
| Pantoprazole Sodium | 187 | 74 |
| Omeprazole | 72 | 39 |
| Ustekinumabbrand: Stelara | 32 | — |
| Dicyclomine Hcl | 27 | 11 |
| Lipase/Protease/Amylasebrand: Creon | 26 | — |
| Colestipol Hcl | 22 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 2 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
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2022-09-05
- Certified
- 2021-07-12
Frequently asked questions
- What is Nghia Nguyen's NPI number?
- Nghia Nguyen's National Provider Identifier (NPI) is 1154718997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nghia Nguyen's specialty?
- Nghia Nguyen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nghia Nguyen located?
- Nghia Nguyen's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Nghia Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Nghia Nguyen is (619) 543-6268.
- Does Nghia Nguyen accept Medicare?
- Nghia Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nghia Nguyen's NPI active?
- Yes — Nghia Nguyen's NPI (1154718997) is active in the NPPES registry as of the last update on 2022-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.