AARON T YU MD
NPI 1386718625
Radiology - Diagnostic Radiology in Mount Vernon, WA
About Aaron T Yu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AARON T YU MD (NPI 1386718625) is an individual diagnostic radiology provider in Mount Vernon, Washington, licensed in Nebraska (21050) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Skagit Valley Hospital, and maintains a secondary practice location in Portland.
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
Aaron T Yu 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 Reassignments
8Medicare enrollment records show Aaron Yu reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Vernon, WA 98273
- Reassigned Medicare billing, Alaska and Washington enrollments
- 40 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Alaska and Washington enrollments
- 40 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Washington and Alaska enrollments
- Also billed through NPI 1710927231 (Alaska)
- 142 clinicians in this Medicare group
Mount Vernon, WA 98274
- Reassigned Medicare billing, Alaska and Washington enrollments
- 40 clinicians in this Medicare group
Bellingham, WA 98229
- Reassigned Medicare billing, Alaska and Washington enrollments
- 46 clinicians in this Medicare group
Port Townsend, WA 98368
- Reassigned Medicare billing, Washington enrollment
- 208 clinicians in this Medicare group
Fairbanks, AK 99709
- Reassigned Medicare billing, Alaska and Washington enrollments
- 46 clinicians in this Medicare group
Unalaska, AK 99685
- Reassigned Medicare billing, Alaska and Washington enrollments
- 36 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.
Areas of Expertise CMS Part B claims 60
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Skagit Valley Hospital
Acute Care Hospitals · Mount Vernon, WAIsland Hospital
Acute Care Hospitals · Anacortes, WACascade Valley Hospital
Acute Care Hospitals · Arlington, WAWhidbeyhealth Medical Center
Critical Access Hospitals · Coupeville, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98273 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT VERNON, WA 98273
MOUNT VERNON, WA 98273
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 Aaron Yu's NPI number?
The NPI number for Aaron Yu is 1386718625. It was assigned to this individual provider in the NPPES registry on November 20, 2006.
Where is Aaron Yu located?
Aaron Yu practices at 125 N 18th St Ste C, Mount Vernon, WA 98273. The listed phone number is (360) 424-6161.
What is Aaron Yu's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Aaron Yu enrolled in Medicare?
Yes. Aaron Yu 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 Aaron Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Yu reassigns Medicare benefits to 8 organizations: North Star Medical Imaging PLLC (Mount Vernon, WA), Skagit Digital Imaging LLC (Mount Vernon, WA), Whidbey Island Public Hospital District (Mount Vernon, WA), Skagit Radiology Inc P S (Mount Vernon, WA), Bellingham Advanced Medical Imaging LLC (Bellingham, WA) and 3 more organizations, listed in the Medicare section above. 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 Aaron Yu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Aaron Yu affiliated with any hospitals?
According to CMS data, Aaron Yu is affiliated with Skagit Valley Hospital, Island Hospital, Cascade Valley Hospital and Whidbeyhealth Medical Center.
When was this NPI record last updated?
The NPPES record for Aaron Yu was last updated on October 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.