DR. TRAC M. DUONG M.D.
NPI 1659566560
Otolaryngology in Bellevue, WA
About Dr. Trac M. Duong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TRAC M. DUONG M.D. (NPI 1659566560) is an individual otolaryngology provider in Bellevue, Washington, licensed in Washington (MD60340252) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Overlake Hospital Medical Center, and is a graduate of Yale University School Of Medicine (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Trac M. Duong M.d. 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 Trac Duong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bellevue, WA 98004
- Reassigned Medicare billing, Washington enrollment
- 589 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 9
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Overlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98004 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.
BELLEVUE, WA 98004
BELLEVUE, WA 98004
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 Trac Duong's NPI number?
The NPI number for Trac Duong is 1659566560. It was assigned to this individual provider in the NPPES registry on September 13, 2007.
Where is Trac Duong located?
Trac Duong practices at 1231 116th Ave NE Suite 915, Bellevue, WA 98004. The listed phone number is (425) 454-3938.
What is Trac Duong's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Trac Duong enrolled in Medicare?
Yes. Trac Duong 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 Trac Duong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trac Duong reassigns Medicare benefits to Proliance Surgeons, Inc., P.S. (Bellevue, 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 Trac Duong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Trac Duong accept?
Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Trac Duong 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 Trac Duong affiliated with any hospitals?
According to CMS data, Trac Duong is affiliated with Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for Trac Duong was last updated on October 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Trac M. Duong, M.D. · NPI 1659566560
Otolaryngology physician in Bellevue, Washington. Individual provider, active in the CMS NPPES registry since September 13, 2007.
## Identity
- **NPI:** 1659566560 (Entity type: Individual)
- **Enumerated:** September 13, 2007
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** MD60340252 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1231 116TH AVE NE, SUITE 915, Bellevue, WA 98004-3804
- **Phone:** (425) 454-3938 · **Fax:** (425) 454-2568
## 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:** Proliance Surgeons, Inc., P.S. (NPI 1255500542, Bellevue, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Yale University School Of Medicine, class of 2002
## Record status
- **NPPES last updated:** October 7, 2014
- **Other identifiers:** Other G8921375 (WA); Other 0314742 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659566560) · Data from the CMS NPPES public registry.