NAN-SHING HSU M.D.
NPI 1598731804
Family Medicine in Olympia, WA
About Nan-shing Hsu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAN-SHING HSU M.D. (NPI 1598731804) is an individual family medicine provider in Olympia, Washington, licensed in Washington (MD.MD.00041614) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with St Joseph Medical Center, and maintains a secondary practice location in Federal Way.
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
Nan-shing Hsu 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 Reassignments
3Medicare enrollment records show Nan-shing Hsu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Puyallup, WA 98372
- Reassigned Medicare billing, Washington enrollment
- 291 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 clinicians in this Medicare group
Everett, WA 98208
- Reassigned Medicare billing, Washington enrollment
- 182 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St 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 98506 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Nan-shing Hsu's NPI number?
The NPI number for Nan-shing Hsu is 1598731804. It was assigned to this individual provider in the NPPES registry on February 27, 2006.
Where is Nan-shing Hsu located?
Nan-shing Hsu practices at 700 Lilly Rd NE, Olympia, WA 98506. The listed phone number is (360) 923-7000.
What is Nan-shing Hsu's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Nan-shing Hsu enrolled in Medicare?
Yes. Nan-shing Hsu 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 Nan-shing Hsu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nan-shing Hsu reassigns Medicare benefits to 3 organizations: Pacmed Clinics (Puyallup, WA), The Association Of University Physicians (Seattle, WA) and Community Health Center Of Snohomish County (Everett, 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 Nan-shing Hsu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nan-shing Hsu accept?
Health plans from Providence Health Plan list Nan-shing Hsu 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 Nan-shing Hsu affiliated with any hospitals?
According to CMS data, Nan-shing Hsu is affiliated with St Joseph Medical Center and St Francis Community Hospital.
When was this NPI record last updated?
The NPPES record for Nan-shing Hsu was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.