Toan Nguyen, M.D.
NPI 1467549998 · Gastroenterology Physician · Seattle, WA
Toan Nguyen, M.D. is a Gastroenterology Physician provider in Seattle, WA (NPI 1467549998).
Provider details
- NPI number
- 1467549998
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00031495 (WA)
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
19 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$221 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
- 2006-10-06
- Last updated
- 2022-07-21
Frequently asked questions
- What is Toan Nguyen's NPI number?
- Toan Nguyen's National Provider Identifier (NPI) is 1467549998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toan Nguyen's specialty?
- Toan Nguyen is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Toan Nguyen located?
- Toan Nguyen's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1532.
- What is Toan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Toan Nguyen is (206) 764-2285.
- Is Toan Nguyen's NPI active?
- Yes — Toan Nguyen's NPI (1467549998) 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.