WILLIAM SHEPARD FINNERTY ARNP
NPI 1891097531
Nurse Practitioner - Adult Health in Tacoma, WA
About William Shepard Finnerty Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM SHEPARD FINNERTY ARNP (NPI 1891097531) is an individual adult health provider in Tacoma, Washington, licensed in Washington (AP60194331) and active in the NPI registry since December 2010. He is enrolled in Medicare PECOS, is affiliated with St Clare Hospital, and maintains a secondary practice location in Tacoma.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
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
William Shepard Finnerty Arnp 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
4Medicare enrollment records show William Finnerty reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 116 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 133 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 137 clinicians in this Medicare group
Tacoma, WA 98402
- Reassigned Medicare billing, Washington enrollment
- 137 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 10
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.
St Clare Hospital
Acute Care Hospitals · Lakewood, WAMulticare Good Samaritan Hospital
Acute Care Hospitals · Puyallup, WASt Joseph Medical Center
Acute Care Hospitals · Tacoma, WATacoma General Allenmore Hospital
Acute Care Hospitals · Tacoma, WASt Anthony Hospital
Acute Care Hospitals · Gig Harbor, 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.
TACOMA, WA 98405
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 Finnerty's NPI number?
The NPI number for William Finnerty is 1891097531. It was assigned to this individual provider in the NPPES registry on December 1, 2010.
Where is William Finnerty located?
William Finnerty practices at 1717 S J St, Tacoma, WA 98405. The listed phone number is (253) 426-6341.
What is William Finnerty's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is William Finnerty enrolled in Medicare?
Yes. William Finnerty 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 William Finnerty's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Finnerty reassigns Medicare benefits to 4 organizations: Tra Medical Imaging Centers LLC (Tacoma, WA), Union Avenue Open Mri LLC (Tacoma, WA), Tra-Minw P S (Tacoma, WA) and Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance (Tacoma, 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 William Finnerty's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Finnerty accept?
Health plans from Providence Health Plan list William Finnerty 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 William Finnerty affiliated with any hospitals?
According to CMS data, William Finnerty is affiliated with St Clare Hospital, Multicare Good Samaritan Hospital, St Joseph Medical Center, Tacoma General Allenmore Hospital and St Anthony Hospital.
When was this NPI record last updated?
The NPPES record for William Finnerty was last updated on August 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William Shepard Finnerty, ARNP · NPI 1891097531
Adult Health physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since December 1, 2010.
## Identity
- **NPI:** 1891097531 (Entity type: Individual)
- **Enumerated:** December 1, 2010
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** AP60194331 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1717 S J ST, Tacoma, WA 98405-4933
- **Phone:** (253) 426-6341 · **Fax:** (253) 426-6344
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Tra Medical Imaging Centers LLC (NPI 1447041751, Tacoma, WA); Union Avenue Open Mri LLC (NPI 1568531242, Tacoma, WA); Tra-Minw P S (NPI 1396814166, Tacoma, WA); Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance (NPI 1083802946, Tacoma, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** August 30, 2024
- **Other identifiers:** Other 0285483 (WA); Other 0289981 (WA); Other 0273272 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1891097531) · Data from the CMS NPPES public registry.