WILLIAM C FELDMANN (M.D.) – Diagnostic Radiology Physician, NPI 1063433563
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,262 DIAGNOSTIC RADIOLOGY in WA
Provider Addresses for WILLIAM C FELDMANN (M.D.)
203 S Western Ave
Tonasket, WA 988558803
Phone: (509) 486-2151
Fax: (509) 223-1640
Type: Location
Yakima Post Office, West Washington Avenue, Yakima, Yakima County, Washington, 98903, United States
YAKIMA, WA 989072925
Phone: (509) 895-0402
Fax: (509) 248-0733
Type: Mailing
Holton Avenue, Yakima, Yakima County, Washington, 90902, United States
YAKIMA, WA 989023240
Phone: (509) 895-0402
Fax: (509) 248-0733
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-09-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100810001170 | I | Diagnostic Radiology | WA | TBD |
| I20240927000620 | I | Diagnostic Radiology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 905 | 889 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 438 | 434 | $0 |
| 70450 | Ct scan head or brain without contrast | 388 | 387 | $0 |
| 71046 | X-ray of chest, 2 views | 289 | 287 | $0 |
| 71275 | Ct scan of blood vessels of chest with contrast | 280 | 280 | $0 |
Insurance plans in this area (ZIP 98855)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | WA | 71010 | X-ray of chest, 1 view, front | 1701 | 1308 |
| DIAGNOSTIC RADIOLOGY | WA | 71250 | CT scan chest | 98 | 95 |
| DIAGNOSTIC RADIOLOGY | WA | 73110 | X-ray of wrist, minimum of 3 views | 32 | 23 |
| DIAGNOSTIC RADIOLOGY | WA | 73140 | X-ray of fingers, minimum of 2 views | 21 | 20 |
| DIAGNOSTIC RADIOLOGY | WA | 73562 | X-ray of knee, 3 views | 72 | 59 |
| DIAGNOSTIC RADIOLOGY | WA | 73630 | X-ray of foot, minimum of 3 views | 90 | 87 |
| DIAGNOSTIC RADIOLOGY | WA | 74177 | CT scan of abdomen and pelvis with contrast | 86 | 85 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AR | |
| Diagnostic Radiology | WA | |
| Diagnostic Radiology | WA | |
| General Practice, Diagnostic Radiology, Interventional Radiology | WA | |
| Diagnostic Radiology | OH | |
| Physician Assistant | AR | |
| Diagnostic Radiology | WA | |
| Diagnostic Radiology | AR | |
| Diagnostic Radiology | MI | |
| Diagnostic Radiology | WA |
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