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DR. TOAN DINH NGUYEN M.D.
NPI 1467549998
Internal Medicine - Gastroenterology in Seattle, WA

Active since October 06, 2006
1660 S COLUMBIAN WAY, VA PUGET SOUND HCS (S-111-GASTRO), SEATTLE, WA 98108(206) 764-2285 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Toan Dinh Nguyen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TOAN DINH NGUYEN M.D. (NPI 1467549998) is an individual gastroenterology provider in Seattle, Washington, licensed in Washington (MD00031495) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1467549998
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. TOAN DINH NGUYENCredential: M.D.
Location Address1660 S COLUMBIAN WAY, VA PUGET SOUND HCS (S-111-GASTRO)Seattle, WA 98108-1532
Mailing Address5617 134th Ave SeBellevue, WA 98006-4233 · (206) 764-2285
Phone(206) 764-2285
Sole ProprietorYes
Enumeration DateOctober 6, 2006
Last NPPES UpdateJuly 21, 2022
✔ NPI 1467549998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in WA · MD00031495
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1660 S COLUMBIAN WAY, Seattle, WA 98108
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SARAH BASTAWROUS DO
Radiology (Diagnostic Radiology)
1660 S COLUMBIAN WAY, DIAGNOSTIC IMAGING, S-RAD-114
SEATTLE, WA 98108
King County (312) 450-5258
PATRICK PATTERSON LPN
Licensed Practical Nurse
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
King County (800) 329-8387
DR. VICTORIA SZYDLOWSKI PHD
Psychologist
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
King County (253) 583-1759
MR. DAVID EMERY HALL OTR/L
Occupational Therapist (Human Factors)
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
King County (206) 277-1593
MR. MICHAEL H. SHAW LICSW
Social Worker (Clinical)
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
King County (206) 277-1176
MS. CYNTHIA ANN ARROWOOD RN
Registered Nurse
1660 S COLUMBIAN WAY
SEATTLE, WA 98108
King County (206) 764-2542
DR. JULIE EMIKO TAKASUGI M.D.
Radiology (Diagnostic Radiology)
1660 S COLUMBIAN WAY, DEPT. RADIOLOGY S-113, PSVAHCS
SEATTLE, WA 98108
King County (206) 764-2444
MS. LAURA C HEARD RN, MS, CRRN-A
Clinical Nurse Specialist
1660 S COLUMBIAN WAY, #128
SEATTLE, WA 98108
King County (206) 277-3302

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Toan Nguyen's NPI number?

The NPI number for Toan Nguyen is 1467549998. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Toan Nguyen located?

Toan Nguyen practices at 1660 S Columbian Way VA Puget Sound Hcs (s-111-Gastro), Seattle, WA 98108. The listed phone number is (206) 764-2285.

What is Toan Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Toan Nguyen was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.