MR. WILLIAM F WAGNER JR. MD
NPI 1841275476
Orthopaedic Surgery - Hand Surgery in Seattle, WA
About Mr. William F Wagner Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM F WAGNER JR. MD (NPI 1841275476) is an individual hand surgery provider in Seattle, Washington, licensed in Washington (MD35358) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
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
Mr. William F Wagner Jr. 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 William Wagner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 17 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 17
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 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.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 8
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEATTLE, WA 98122
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 William Wagner's NPI number?
The NPI number for William Wagner is 1841275476. It was assigned to this individual provider in the NPPES registry on December 6, 2005.
Where is William Wagner located?
William Wagner practices at 600 Broadway Ste 440, Seattle, WA 98122. The listed phone number is (206) 292-6252.
What is William Wagner's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.
Is William Wagner enrolled in Medicare?
Yes. William Wagner 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 William Wagner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Wagner reassigns Medicare benefits to Seattle Hand Surgery Group PC (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 William Wagner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Wagner accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list William Wagner 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.
When was this NPI record last updated?
The NPPES record for William Wagner was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.