VIVIAN C TSANG FNP
NPI 1649992173
Nurse Practitioner - Family in Portland, OR
About Vivian C Tsang Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN C TSANG FNP (NPI 1649992173) is an individual family provider in Portland, Oregon, licensed in Oregon (202214123NP-PP) and active in the NPI registry since September 2022. She is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Emory University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
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
Vivian C Tsang Fnp 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
2Medicare enrollment records show Vivian Tsang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 1,501 clinicians in this Medicare group
Portland, OR 97203
- Reassigned Medicare billing, Oregon enrollment
- 215 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, OROhsu Hospital And Clinics
Acute Care Hospitals · Portland, ORLegacy Mount Hood Medical Center
Acute Care Hospitals · Gresham, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97229 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Vivian Tsang's NPI number?
The NPI number for Vivian Tsang is 1649992173. It was assigned to this individual provider in the NPPES registry on September 12, 2022.
Where is Vivian Tsang located?
Vivian Tsang practices at 12400 NW Cornell Rd Ste 100, Portland, OR 97229. The listed phone number is (503) 291-4000.
What is Vivian Tsang's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Vivian Tsang enrolled in Medicare?
Yes. Vivian Tsang 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 Vivian Tsang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Tsang reassigns Medicare benefits to 2 organizations: Providence Health & Services - Oregon (Portland, OR) and Multnomah County (Portland, OR). 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 Vivian Tsang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vivian Tsang accept?
Health plans from PacificSource Health Plans list Vivian Tsang 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 Vivian Tsang affiliated with any hospitals?
According to CMS data, Vivian Tsang is affiliated with Providence St Vincent Medical Center, Ohsu Hospital And Clinics and Legacy Mount Hood Medical Center.
When was this NPI record last updated?
The NPPES record for Vivian Tsang was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.
# Vivian C Tsang, FNP · NPI 1649992173
Family physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since September 12, 2022.
## Identity
- **NPI:** 1649992173 (Entity type: Individual)
- **Enumerated:** September 12, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 202214123NP-PP (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 12400 NW CORNELL RD STE 100, Portland, OR 97229-5689
- **Phone:** (503) 291-4000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Providence Health & Services - Oregon (NPI 1083714141, Portland, OR); Multnomah County (NPI 1609914787, Portland, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** May 13, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1649992173) · Data from the CMS NPPES public registry.