KATARINA THUY-DAN NGUYEN MD
NPI 1740817964
Radiology - Radiation Oncology in Seattle, WA
About Katarina Thuy-dan Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATARINA THUY-DAN NGUYEN MD (NPI 1740817964) is an individual radiation oncology provider in Seattle, Washington, licensed in Washington (MD61685788) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Katarina Thuy-dan Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98195 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.
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
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 Katarina Nguyen's NPI number?
The NPI number for Katarina Nguyen is 1740817964. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Katarina Nguyen located?
Katarina Nguyen practices at 1959 NE Pacific St, Seattle, WA 98195. The listed phone number is (206) 520-5000.
What is Katarina Nguyen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Katarina Nguyen enrolled in Medicare?
Yes. Katarina Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Katarina Nguyen accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Katarina Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katarina Nguyen was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Katarina Thuy-Dan Nguyen, MD · NPI 1740817964
Radiation Oncology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since March 26, 2020.
## Identity
- **NPI:** 1740817964 (Entity type: Individual)
- **Enumerated:** March 26, 2020
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** MD61685788 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1959 NE PACIFIC ST, Seattle, WA 98195-0001
- **Phone:** (206) 520-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1740817964) · Data from the CMS NPPES public registry.