VIENNA T TRAN MD
NPI 1518463223
Obstetrics & Gynecology in Seattle, WA
About Vienna T Tran Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIENNA T TRAN MD (NPI 1518463223) is an individual obstetrics & gynecology provider in Seattle, Washington, licensed in Washington (MD61292499) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with University Of Washington Medical Ctr, and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Vienna T Tran 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 Vienna Tran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
University Of Washington Medical Ctr
Acute Care Hospitals · Seattle, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98133 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98133
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 Vienna Tran's NPI number?
The NPI number for Vienna Tran is 1518463223. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Vienna Tran located?
Vienna Tran practices at 1550 N 115th St, Seattle, WA 98133. The listed phone number is (206) 520-5000.
What is Vienna Tran's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Vienna Tran enrolled in Medicare?
Yes. Vienna Tran 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 Vienna Tran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vienna Tran reassigns Medicare benefits to The Association Of University Physicians (Seattle, 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 Vienna Tran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vienna Tran accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Vienna Tran 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 Vienna Tran affiliated with any hospitals?
According to CMS data, Vienna Tran is affiliated with University Of Washington Medical Ctr.
When was this NPI record last updated?
The NPPES record for Vienna Tran was last updated on October 6, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Vienna T Tran, MD · NPI 1518463223
Obstetrics & Gynecology physician in Seattle, Washington. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1518463223 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD61292499 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1550 N 115TH ST, Seattle, WA 98133-8401
- **Phone:** (206) 520-5000
## 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:** The Association Of University Physicians (NPI 1023041159, Seattle, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 6, 2022
- **Other identifiers:** Medicaid 1518463223 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1518463223) · Data from the CMS NPPES public registry.