ELLEN TANG
NPI 1780345546
Social Worker - Clinical in Vancouver, WA
About Ellen Tang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELLEN TANG (NPI 1780345546) is an individual clinical provider in Vancouver, Washington, licensed in Washington (LW70001265) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Ellen Tang 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 Ellen Tang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vancouver, WA 98661
- Reassigned Medicare billing, Washington enrollment
- 34 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98661 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.
VANCOUVER, WA 98661
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 Ellen Tang's NPI number?
The NPI number for Ellen Tang is 1780345546. It was assigned to this individual provider in the NPPES registry on January 4, 2022.
Where is Ellen Tang located?
Ellen Tang practices at 6926 NE Fourth Plain Blvd, Vancouver, WA 98661. The listed phone number is (360) 993-3000.
What is Ellen Tang's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Ellen Tang enrolled in Medicare?
Yes. Ellen Tang 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 Ellen Tang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Tang reassigns Medicare benefits to Columbia River Mental Health Services (Vancouver, 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 Ellen Tang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ellen Tang was last updated on May 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Ellen Tang · NPI 1780345546
Clinical provider in Vancouver, Washington. Individual provider, active in the CMS NPPES registry since January 4, 2022.
## Identity
- **NPI:** 1780345546 (Entity type: Individual)
- **Enumerated:** January 4, 2022
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** LW70001265 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 6926 NE FOURTH PLAIN BLVD, Vancouver, WA 98661-7254
- **Phone:** (360) 993-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Columbia River Mental Health Services (NPI 1669411377, Vancouver, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** May 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1780345546) · Data from the CMS NPPES public registry.