ALVIN TRIEU MD
NPI 1679102727
Surgery in Chicago, IL
About Alvin Trieu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALVIN TRIEU MD (NPI 1679102727) is an individual surgery provider in Chicago, Illinois, licensed in Illinois (125.075865) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Grays Harbor Community Hospital, and is a graduate of Other (2020).
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
Alvin Trieu 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.
Medicare Billing Reassignment
Medicare enrollment records show Alvin Trieu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aberdeen, WA 98520
- Reassigned Medicare billing, Washington enrollment
- 39 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grays Harbor Community Hospital
Acute Care Hospitals · Aberdeen, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60657 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.
CHICAGO, IL 60657
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 Alvin Trieu's NPI number?
The NPI number for Alvin Trieu is 1679102727. It was assigned to this individual provider in the NPPES registry on April 1, 2020.
Where is Alvin Trieu located?
Alvin Trieu practices at 836 W Wellington Ave, Chicago, IL 60657. The listed phone number is (773) 296-7093.
What is Alvin Trieu's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Alvin Trieu enrolled in Medicare?
Yes. Alvin Trieu 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 Alvin Trieu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alvin Trieu reassigns Medicare benefits to Ghch Physician Services, LLC (Aberdeen, WA). 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 Alvin Trieu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alvin Trieu accept?
Health plans from Ambetter Health list Alvin Trieu 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 Alvin Trieu affiliated with any hospitals?
According to CMS data, Alvin Trieu is affiliated with Grays Harbor Community Hospital.
When was this NPI record last updated?
The NPPES record for Alvin Trieu was last updated on August 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.