YEN HOANG NGUYEN DO
NPI 1205270584
Pediatrics in Seattle, WA
About Yen Hoang Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YEN HOANG NGUYEN DO (NPI 1205270584) is an individual pediatrics provider in Seattle, Washington, licensed in Washington (OP61516015) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Yen Hoang Nguyen Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Yen Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98109
- Reassigned Medicare billing, Washington enrollment
- 2,678 clinicians in this Medicare group
Houston, TX 77025
- Reassigned Medicare billing, Texas enrollment
- 1,649 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Yen Nguyen's NPI number?
The NPI number for Yen Nguyen is 1205270584. It was assigned to this individual provider in the NPPES registry on April 17, 2013.
Where is Yen Nguyen located?
Yen Nguyen practices at 9800 4th Ave NE, Seattle, WA 98115. The listed phone number is (206) 302-1200.
What is Yen Nguyen's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Yen Nguyen enrolled in Medicare?
Yes. Yen Nguyen is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Yen Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yen Nguyen reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of Washington (Seattle, WA) and Kelsey-Seybold Medical Group, PLLC (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Yen Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Yen Nguyen was last updated on August 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.