WILLIAM C FELDMANN M.D.
NPI 1063433563
Radiology - Diagnostic Radiology in Yakima, WA
About William C Feldmann M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM C FELDMANN M.D. (NPI 1063433563) is an individual diagnostic radiology provider in Yakima, Washington, licensed in Washington (MD00039436) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northwest Specialty Hospital, and maintains a secondary practice location in Tonasket.
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
William C Feldmann 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
17Medicare enrollment records show William Feldmann reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 558 clinicians in this Medicare group
Wenatchee, WA 98801
- Reassigned Medicare billing, Washington enrollment
- 651 clinicians in this Medicare group
Snoqualmie, WA 98065
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1144432634 (Washington)
- 144 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 204 clinicians in this Medicare group
Kirkland, WA 98034
- Reassigned Medicare billing, Washington enrollment
- 196 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
Olympia, WA 98506
- Reassigned Medicare billing, Washington enrollment
- 186 clinicians in this Medicare group
Lynnwood, WA 98036
- Reassigned Medicare billing, Washington enrollment
- 209 clinicians in this Medicare group
Edmonds, WA 98026
- Reassigned Medicare billing, Washington enrollment
- 200 clinicians in this Medicare group
Everett, WA 98208
- Reassigned Medicare billing, Washington enrollment
- 194 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 49
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Specialty Hospital
Acute Care Hospitals · Post Falls, IDAsante Rogue Regional Medical Center
Acute Care Hospitals · Medford, OROverlake Hospital Medical Center
Acute Care Hospitals · Bellevue, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98902 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
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
YAKIMA, WA 98902
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 Feldmann's NPI number?
The NPI number for William Feldmann is 1063433563. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is William Feldmann located?
William Feldmann practices at 315 Holton Ave Ste 102, Yakima, WA 98902. The listed phone number is (509) 895-0402.
What is William Feldmann's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Feldmann enrolled in Medicare?
Yes. William Feldmann 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 Feldmann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Feldmann reassigns Medicare benefits to 17 organizations: Wenatchee Valley Hospital (Wenatchee, WA), Central Washington Health Services Association (Wenatchee, WA), Public Hospital District No 4 King County Washington (Snoqualmie, WA), Radia Imaging Center Holdings LLC (Seattle, WA), Evergreen Radia LLC (Kirkland, WA) and 12 more organizations, listed in the Medicare section above. 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 Feldmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Feldmann accept?
Health plans from Ambetter Health, Health Advantage, Octave and Premera Blue Cross Blue Shield of Alaska list William Feldmann 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 Feldmann affiliated with any hospitals?
According to CMS data, William Feldmann is affiliated with Northwest Specialty Hospital, Asante Rogue Regional Medical Center and Overlake Hospital Medical Center.
When was this NPI record last updated?
The NPPES record for William Feldmann was last updated on March 5, 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.