Individual provider Active NPI

William C Feldmann, M.D.

  • Diagnostic Radiology Physician
  • Yakima, WA
National Provider Identifier
1063433563
Registry record updated Mar 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
MD00039436 Issued in WA
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, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 5, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
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

IdentifierTypeStateIssuer
8271165MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, CA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20100810001170 WA Practitioner - Diagnostic Radiology 6305846189 Reassigns benefits to 19 organizations
I20240927000620 CA Practitioner - Diagnostic Radiology 6305846189 Reassigns benefits to 3 organizations

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
Radiology Associates PAGroup PAC ID 7517953912, 103 clinicians
Evergreen Radia LLCGroup PAC ID 4587568076, 116 clinicians
Radia Inc P SGroup PAC ID 9931012812, 275 clinicians
Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians
Radia California Radiology Medical Group IncGroup PAC ID 8921465998, 134 clinicians
County of Santa ClaraGroup PAC ID 1254244973, shared by 46 NPIs, 1,000 clinicians
Medford Radiological Group PCGroup PAC ID 2062303324, 91 clinicians
Radia Oregon Radiology Medical Group LLCGroup PAC ID 2961852637, 122 clinicians

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

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince Sep 18, 2024 Accepting new patients
Radia Oregon Radiology Medical Group LLC Diagnostic Radiology CurrentSince Jan 1, 2024 Accepting new patients
Swedish Health Services CurrentSince Sep 8, 2024 Accepting new patients
Swedish Radia Imaging Center at Edmonds LLC Diagnostic Radiology CurrentSince Oct 5, 2022 Accepting new patients
Okanogan County Public Hospital District No. 3 CurrentSince Jan 11, 2023 Accepting new patients
Radiology Associates PA Diagnostic Radiology CurrentSince Nov 1, 2022 Accepting new patients
Medford Radiological Group, PC Diagnostic Radiology CurrentSince Oct 1, 2022 Accepting new patients
Swedish Health Services CurrentSince Sep 8, 2024 Accepting new patients
Public Hospital District No 4 King County Washington CurrentSince Aug 1, 2022 Accepting new patients
County of Santa Clara CurrentSince Sep 18, 2024 Accepting new patients
County of Santa Clara CurrentSince Sep 18, 2024 Accepting new patients
Radia Imaging Center Holdings LLC Diagnostic Radiology CurrentSince Oct 5, 2022 Accepting new patients
Wenatchee Valley Hospital CurrentSince Aug 1, 2022 Accepting new patients
Swedish Health Services CurrentSince Sep 8, 2024 Accepting new patients
County of Santa Clara Current Accepting new patients
Radia California Radiology Medical Group Inc Diagnostic Radiology CurrentSince Apr 1, 2024 Accepting new patients
Okanogan County Public Hospital Dist No 4 CurrentSince Aug 1, 2022 Accepting new patients
Central Washington Health Services Association Current Accepting new patients
Okanogan County Public Hospital Dist No 4 CurrentSince Aug 1, 2022 Accepting new patients
Central Washington Health Services Association CurrentSince Aug 1, 2022 Accepting new patients
County of Santa Clara CurrentSince Sep 18, 2024 Accepting new patients
Public Hospital District No 4 King County Washington CurrentSince Aug 1, 2022 Accepting new patients
South Sound Radiologists Inc P S Diagnostic Radiology CurrentSince Oct 5, 2022 Accepting new patients
Evergreen Radia LLC Diagnostic Radiology CurrentSince Oct 5, 2022 Accepting new patients
Radia Inc P S Diagnostic Radiology CurrentSince Oct 5, 2022 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.

View all 29

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

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

Verify at the official NPI Registry.