DR. JOSEPH THANH-PHU DUONG MD
NPI 1942681838
Psychiatry & Neurology - Neurology in Tacoma, WA
About Dr. Joseph Thanh-phu Duong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH THANH-PHU DUONG MD (NPI 1942681838) is an individual neurology provider in Tacoma, Washington, licensed in Washington (MD61223241) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Virginia Mason Medical Center, and is a graduate of Medical College Of Georgia School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Joseph Thanh-phu Duong 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
2Medicare enrollment records show Joseph Duong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98402
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Seattle, WA 98101
- Reassigned Medicare billing, Washington enrollment
- 1,021 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 11
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Virginia Mason Medical Center
Acute Care Hospitals · Seattle, WASt Clare Hospital
Acute Care Hospitals · Lakewood, WAHarrison Medical Center
Acute Care Hospitals · Bremerton, WASt Joseph Medical Center
Acute Care Hospitals · Tacoma, WASt Francis Community Hospital
Acute Care Hospitals · Federal Way, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98405 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.
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 Joseph Duong's NPI number?
The NPI number for Joseph Duong is 1942681838. It was assigned to this individual provider in the NPPES registry on June 16, 2015.
Where is Joseph Duong located?
Joseph Duong practices at 1608 S J St Fl 5, Tacoma, WA 98405. The listed phone number is (253) 274-7505.
What is Joseph Duong's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Joseph Duong enrolled in Medicare?
Yes. Joseph 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 organizations bill Medicare for Joseph Duong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Duong reassigns Medicare benefits to 2 organizations: Franciscan Medical Group (Tacoma, WA) and Virginia Mason Medical Center (Seattle, WA). 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 Joseph Duong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joseph Duong accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Joseph 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 Joseph Duong affiliated with any hospitals?
According to CMS data, Joseph Duong is affiliated with Virginia Mason Medical Center, St Clare Hospital, Harrison Medical Center, St Joseph Medical Center and St Francis Community Hospital.
When was this NPI record last updated?
The NPPES record for Joseph Duong was last updated on February 14, 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.
# Dr. Joseph Thanh-Phu Duong, MD · NPI 1942681838
Neurology physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since June 16, 2015.
## Identity
- **NPI:** 1942681838 (Entity type: Individual)
- **Enumerated:** June 16, 2015
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** MD61223241 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1608 S J ST FL 5, Tacoma, WA 98405-4930
- **Phone:** (253) 274-7505 · **Fax:** (253) 985-2853
## 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): Franciscan Medical Group (NPI 1831358282, Tacoma, WA); Virginia Mason Medical Center (NPI 1003970989, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Georgia School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** February 14, 2022
- **Other identifiers:** Medicaid 2195542 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1942681838) · Data from the CMS NPPES public registry.