KHOI T NGUYEN DO
NPI 1225528987
Internal Medicine in Portland, OR
About Khoi T Nguyen Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KHOI T NGUYEN DO (NPI 1225528987) is an individual internal medicine provider in Portland, Oregon, licensed in Washington (OP61166338) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Providence Regional Medical Center Everett, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Khoi T Nguyen Do 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 Reassignments
5Medicare enrollment records show Khoi Nguyen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vancouver, WA 98664
- Reassigned Medicare billing, Washington enrollment
- 915 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 911 clinicians in this Medicare group
Mill Creek, WA 98012
- Reassigned Medicare billing, Washington enrollment
- 705 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 1,285 clinicians in this Medicare group
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 57 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Regional Medical Center Everett
Acute Care Hospitals · Everett, WATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97225
PORTLAND, OR 97225
PORTLAND, OR 97225
PORTLAND, OR 97225
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 Khoi Nguyen's NPI number?
The NPI number for Khoi Nguyen is 1225528987. It was assigned to this individual provider in the NPPES registry on May 17, 2018.
Where is Khoi Nguyen located?
Khoi Nguyen practices at 9205 SW Barnes Rd Ste Mt2800, Portland, OR 97225. The listed phone number is (503) 216-2621.
What is Khoi Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Khoi Nguyen enrolled in Medicare?
Yes. Khoi 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 organizations bill Medicare for Khoi Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Khoi Nguyen reassigns Medicare benefits to 5 organizations: South Sound Inpatient Physicians PLLC (Vancouver, WA), The Polyclinic (Seattle, WA), Providence Health & Services- Washington (Mill Creek, WA), Optum Care Washington PLLC (Everett, WA) and Vituity-Hm Services PC (Everett, WA). 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 Khoi Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Khoi Nguyen accept?
Health plans from Providence Health Plan list Khoi 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.
Is Khoi Nguyen affiliated with any hospitals?
According to CMS data, Khoi Nguyen is affiliated with Providence Regional Medical Center Everett and Tacoma General Allenmore Hospital.
When was this NPI record last updated?
The NPPES record for Khoi Nguyen was last updated on March 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Khoi T Nguyen, DO · NPI 1225528987
Internal Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since May 17, 2018.
## Identity
- **NPI:** 1225528987 (Entity type: Individual)
- **Enumerated:** May 17, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** OP61166338 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 9205 SW BARNES RD STE MT2800, Portland, OR 97225
- **Phone:** (503) 216-2621
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): South Sound Inpatient Physicians PLLC (NPI 1023285756, Vancouver, WA); The Polyclinic (NPI 1962824219, Seattle, WA); Providence Health & Services- Washington (NPI 1790014504, Mill Creek, WA); Optum Care Washington PLLC (NPI 1831186766, Everett, WA); Vituity-Hm Services PC (NPI 1427974641, Everett, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** March 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1225528987) · Data from the CMS NPPES public registry.