Active NPI
William C Feldmann, M.D.
- Diagnostic Radiology Physician
- Yakima, WA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- MD00039436
- Practice address
- 315 Holton Ave Ste 102
Yakima, WA 98902-3240 - Phone
- (509) 895-0402
- Fax
- (509) 248-0733
- NPI assigned
- Jul 21, 2006
- Last updated
- Mar 5, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | MD00039436 | WA | Primary |
Addresses
Primary practice location
315 Holton Ave Ste 102
Yakima, WA 98902-3240
Mailing address
PO Box 2925
Yakima, WA 98907-2925
Phone (509) 895-0402
Other practice location 1
203 S Western Ave
Tonasket, WA 98855-8803
Phone (509) 486-2151
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8271165 | Medicaid | WA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- Baylor College of Medicine, 1989
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- County of Santa Clara
Practice addresses (Care Compare)
Edmonds, WA 98026
Phone (501) 664-3914
11521 NE 128TH St
Suite 200
Kirkland, WA 98034-4317
Phone (425) 952-6100
1201 S Miller St
Wenatchee, WA 98801-3201
Phone (509) 662-2208
12040 NE 128TH St
Kirkland, WA 98034-3013
Phone (425) 899-1800
13020 Meridian Ave S
Everett, WA 98208-6468
Phone (425) 357-3960
21601 76TH Ave W
Edmonds, WA 98026-7507
Phone (425) 563-1500
500 17TH Ave
Seattle, WA 98122-5711
Phone (206) 320-3700
550 17TH Ave
Suite 630
Seattle, WA 98122-5797
Phone (425) 563-1500
751 S Bascom Ave
San Jose, CA 95128-2604
Phone (408) 885-5000
8059 W Mercer Way
Mercer Island, WA 98040-5626
Phone (541) 618-5800
9801 Frontier Ave SE
Snoqualmie, WA 98065-5200
Phone (425) 831-2313
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| County of Santa Clara | Current | Accepting new patients | |
| Radia Oregon Radiology Medical Group LLC | Diagnostic Radiology | Current | Accepting new patients |
| Swedish Health Services | Current | Accepting new patients | |
| Swedish Radia Imaging Center at Edmonds LLC | Diagnostic Radiology | Current | Accepting new patients |
| Okanogan County Public Hospital District No. 3 | Current | Accepting new patients | |
| Radiology Associates PA | Diagnostic Radiology | Current | Accepting new patients |
| Medford Radiological Group, PC | Diagnostic Radiology | Current | Accepting new patients |
| Swedish Health Services | Current | Accepting new patients | |
| Public Hospital District No 4 King County Washington | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Radia Imaging Center Holdings LLC | Diagnostic Radiology | Current | Accepting new patients |
| Wenatchee Valley Hospital | Current | Accepting new patients | |
| Swedish Health Services | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Radia California Radiology Medical Group Inc | Diagnostic Radiology | Current | Accepting new patients |
| Okanogan County Public Hospital Dist No 4 | Current | Accepting new patients | |
| Central Washington Health Services Association | Current | Accepting new patients | |
| Okanogan County Public Hospital Dist No 4 | Current | Accepting new patients | |
| Central Washington Health Services Association | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Public Hospital District No 4 King County Washington | Current | Accepting new patients | |
| South Sound Radiologists Inc P S | Diagnostic Radiology | Current | Accepting new patients |
| Evergreen Radia LLC | Diagnostic Radiology | Current | Accepting new patients |
| Radia Inc P S | Diagnostic Radiology | Current | Accepting new patients |
| Valley Imaging | Past | Accepting new patients | |
| Public Hospital District No 4, King County Wa | Past | Accepting new patients | |
| Okanogan County Public Hospital Dist No 4 | Past | Accepting new patients | |
| Medical Center Radiologists Inc | Diagnostic Radiology | Past | Accepting new patients |
Locations (25 of 45)
500 S University Ave
Ste 101
Little Rock, AR 72205
Phone (501) 686-2688
7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400
11570 Indian Hills Rd
Mission Hills, CA 91345
Phone (800) 378-5597
400 N McDowell Blvd
Petaluma, CA 94954
Phone (707) 778-1111
19950 Rinaldi St
Ste 101B
Porter Ranch, CA 91326
Phone (818) 496-7517
1450 Medical Center Dr
Rohnert Park, CA 94928
Phone (707) 546-3210
15031 Rinaldi St
San Fernando, CA 91345
Phone (818) 365-8051
1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320
1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846
2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050
500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433
750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320
750 S Bascom Ave
#1112
San Jose, CA 95128
751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110
26357 McBean Pkwy
Ste 155
Santa Clarita, CA 91355
Phone (661) 288-5940
1165 Montgomery Dr
Santa Rosa, CA 95405
Phone (707) 525-5300
121 Sotoyome St
Santa Rosa, CA 95405
Phone (707) 546-3141
925 Corporate Cntr Pkwy
Ste A
Santa Rosa, CA 95407
Phone (707) 543-2000
660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366
6580 Hembree Ln
Ste 270
Windsor, CA 95492
Phone (707) 838-2044
1200 112th Ave NE
Ste B250
Bellevue, WA 98004
Phone (206) 320-3494
21700 Highway 99
Edmonds, WA 98026
Phone (425) 640-4949
7320 216th St SW
Ste 310
Edmonds, WA 98026
Phone (425) 673-3800
13020 Meridian Ave S
Everett, WA 98208
Phone (425) 357-3700
1321 Colby Ave
Everett, WA 98201
Phone (425) 259-4413
Organizations & group practices 29
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Confluence Health
- Emergency Medical Services (Emergency Medicine) Physician
- Wenatchee, WA
- NPI 1801937453
-
dba Snoqualmie Valley Hospital
- Critical Access Hospital
- Snoqualmie, WA
- NPI 1902846546
-
dba Swedish Imaging Clinics
- Body Imaging Physician
- Everett, WA
- NPI 1114356904
-
dba Radia California
- Diagnostic Radiology Physician
- Santa Rosa, CA
- NPI 1740982032
WA
-
dba Radia Oregon
- Diagnostic Radiology Physician
- Medford, OR
- NPI 1073385423
WA
-
dba North Valley Professional Services
- Medical Specialty Clinic/Center
- Tonasket, WA
- NPI 1750443834
-
dba Mid-Valley Hospital
- Critical Access Hospital
- Omak, WA
- NPI 1255387403
-
dba Seattle Radiology
- Diagnostic Radiology Physician
- Seattle, WA
- NPI 1639653017
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Bellevue, WA
- NPI 1598971855
-
- General Acute Care Hospital
- Bellevue, WA
- NPI 1861432726
-
dba Asante Rogue Regional Medical Center
- General Acute Care Hospital
- Medford, OR
- NPI 1770587107
-
dba Northwest Specialty Hospital
- General Acute Care Hospital
- Post Falls, ID
- NPI 1104824739
-
- Sleep Medicine (Psychiatry & Neurology) Physician
- Post Falls, ID
- NPI 1649123589
Hospital
-
dba Providence Medford Medical Center
- General Acute Care Hospital
- Medford, OR
- NPI 1689755670
-
dba Providence Santa Rosa Memorial Hospital
- General Acute Care Hospital
- Santa Rosa, CA
- NPI 1134152549
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1153440000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772668800000",
"number": "1063433563",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 2925",
"city": "YAKIMA",
"state": "WA",
"postal_code": "989072925",
"telephone_number": "509-895-0402",
"fax_number": "509-248-0733"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "315 HOLTON AVE STE 102",
"city": "YAKIMA",
"state": "WA",
"postal_code": "989023240",
"telephone_number": "509-895-0402",
"fax_number": "509-248-0733"
}
],
"practiceLocations": [
{
"address_1": "203 S Western Ave",
"address_purpose": "LOCATION",
"city": "Tonasket",
"state": "WA",
"postal_code": "988558803",
"country_code": "US",
"telephone_number": "509-486-2151",
"fax_number": "509-223-1640",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "FELDMANN",
"first_name": "WILLIAM",
"middle_name": "C",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-21",
"last_updated": "2026-03-05",
"certification_date": "2026-03-05",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "WA",
"license": "MD00039436",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "8271165",
"state": "WA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Yakima, WA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.