Toan Dinh Nguyen, M.D.
Gastroenterology Physician · Seattle, WA
Toan Dinh Nguyen, M.D. is a gastroenterology physician with a practice address in Seattle, Washington, and NPI 1467549998, issued on Oct 6, 2006. Check the license (Washington MD00031495, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Toan Dinh Nguyen
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD00031495 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1660 S Columbian Way, Seattle, WA 98108
- Phone
- (206) 764-2285
- Enumerated
- Oct 6, 2006
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 533 in Washington → Look up another NPI →
Also registered at 1660 S Columbian Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abubakar Abdul-Rahman, NPPrimary Care Nurse Practitioner1689939001
- Sandra Abrahamson, ARNPAdult Health Nurse Practitioner1699735712
- McKenon Abreu, DPMStudent in an Organized Health Care Education/Training Program1104519461
- Jennifer Acselrod, RNRegistered Nurse1770753725
- Samantha Adams, OTR/LOccupational Therapist1750489704
- Rosemary Adamson, MB BSPulmonary Disease Physician1881853745
Verify Toan Dinh Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00031495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $221.24
2 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Toan Dinh Nguyen among 533 gastroenterology physician records in Washington
Toan Dinh Nguyen, M.D. is one of 533 gastroenterology physician records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 48% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2022 · 59% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Washington
There are 533 gastroenterology physician records in Washington.
All 533 in Washington → Every provider in Seattle → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Abbey Barnard Giustini, MDSeattle, WA 981081376938027
- Charles Beymer, M.D.Seattle, WA 981081194729608
- Jason Dominitz, MD, MHSSeattle, WA 981081912016700
- George Ioannou, M.D.Seattle, WA 981081568571727
- David Kearney, M.D.Seattle, WA 981081265514376
- Sum Lee, MD PHDSeattle, WA 981081629180492
- Nicole Shoals, MDSeattle, WA 981081093248635
- Bryan Balmadrid, M.D.Seattle, WA 981091548480155
Common questions
What is Toan Dinh Nguyen, M.D.'s NPI number?
Toan Dinh Nguyen, M.D.'s National Provider Identifier (NPI) is 1467549998, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Toan Dinh Nguyen, M.D. located?
The NPPES record lists a practice address at 1660 S Columbian Way, Seattle, WA, 98108. Phone: (206) 764-2285. Providers update this record themselves, so call before visiting.
How can I verify Toan Dinh Nguyen, M.D.'s license?
NPPES lists Washington license number MD00031495, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.