LILLIAN NGUYEN FNP
NPI 1891234399
Nurse Practitioner - Family in Vancouver, WA
About Lillian Nguyen Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILLIAN NGUYEN FNP (NPI 1891234399) is an individual family provider in Vancouver, Washington, licensed in Washington (AP61536070) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Clackamas, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lillian Nguyen Fnp 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.
Medicare Billing Reassignment
Medicare enrollment records show Lillian Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97227
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1609171081 (Washington)
- 3,207 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 98684 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VANCOUVER, WA 98684
VANCOUVER, WA 98684
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 Lillian Nguyen's NPI number?
The NPI number for Lillian Nguyen is 1891234399. It was assigned to this individual provider in the NPPES registry on February 16, 2017.
Where is Lillian Nguyen located?
Lillian Nguyen practices at 203 SE Park Plaza Dr Ste 140, Vancouver, WA 98684. The listed phone number is (800) 813-2000.
What is Lillian Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lillian Nguyen enrolled in Medicare?
Yes. Lillian 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.
Which organization bills Medicare for Lillian Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lillian Nguyen reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Northwest (Portland, OR). The 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 Lillian 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 Lillian Nguyen was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Lillian Nguyen, FNP · NPI 1891234399
Family physician in Vancouver, Washington. Individual provider, active in the CMS NPPES registry since February 16, 2017.
## Identity
- **NPI:** 1891234399 (Entity type: Individual)
- **Enumerated:** February 16, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** AP61536070 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 203 SE PARK PLAZA DR STE 140, Vancouver, WA 98684-5887
- **Phone:** (800) 813-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Northwest (NPI 1093043424, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** December 11, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891234399) · Data from the CMS NPPES public registry.