Jack Mark Fields, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

MD00045508 Issued in WA

Practice address

3417 Ensign Rd NE
Olympia, WA 98506-5075

Phone

(360) 493-4600

Fax

(360) 493-4603

NPI assigned

Mar 8, 2006

Last updated

Dec 30, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Enrolled in WA, CA, MI3 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 3

Specialty

Diagnostic Radiology

Education

New York Medical College, 2000

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

Central Washington Health Services AssociationGroup PAC ID 4880504596, 708 clinicians

Radia Inc P SGroup PAC ID 9931012812, 275 clinicians

Radia Imaging Center Holdings LLCGroup PAC ID 6305182965, 43 clinicians

Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians

Swedish Radia Imaging Center at Edmonds LLCGroup PAC ID 5496778292, 115 clinicians

Swedish Health ServicesGroup PAC ID 9537072814, 384 clinicians

Medford Radiological Group PCGroup PAC ID 2062303324, 91 clinicians

Radia Oregon Radiology Medical Group LLCGroup PAC ID 2961852637, 122 clinicians

Radia California Radiology Medical Group IncGroup PAC ID 8921465998, 134 clinicians

Yakima Valley Memorial PhysiciansGroup PAC ID 1557391596, 397 clinicians

South Sound Radiologists Inc P SGroup PAC ID 1254229305, 76 clinicians

Optum Care Washington PLLCGroup PAC ID 6406752153, 684 clinicians

Swedish Health ServicesGroup PAC ID 0244138196, 1,038 clinicians

County of Santa ClaraGroup PAC ID 1254244973, shared by 46 NPIs, 1,000 clinicians

Okanogan County Public Hospital District No. 3Group PAC ID 6800707951, 89 clinicians

Public Hospital District No 4 King County WashingtonGroup PAC ID 6002700861, 85 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwest Specialty Hospital Hospital, Post Falls, ID, CCN 130066
• Swedish Medical Center Hospital, Seattle, WA, CCN 500027
• Asante Rogue Regional Medical Center Hospital, Medford, OR, CCN 380018
• Swedish Issaquah Hospital, Issaquah, WA, CCN 500152
• Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations (25 of 50)

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.

• Central Washington Health Services Association

  dba Confluence Health

  • Emergency Medical Services (Emergency Medicine) Physician
  • Wenatchee, WA
  • NPI 1801937453
  Medicare reassignment Care Compare group NPD
• Evergreen Radia LLC

  dba Evergreen Radia

  • Diagnostic Radiology Physician
  • Kirkland, WA
  • NPI 1922095694
  Medicare reassignment Care Compare group NPD
• Okanogan County Public Hospital District No. 3

  dba Mid-Valley Hospital

  • Critical Access Hospital
  • Omak, WA
  • NPI 1255387403
  Medicare reassignment Care Compare group NPD
• Optum Care Washington PLLC

  • Multi-Specialty Clinic/Center
  • Everett, WA
  • NPI 1831186766
  Medicare reassignment Care Compare group NPD
• Public Hospital District No 4 King County Washington

  dba Snoqualmie Valley Hospital

  • Critical Access Hospital
  • Snoqualmie, WA
  • NPI 1902846546
  Medicare reassignment Care Compare group NPD
• Radia Imaging Center Holdings LLC

  dba Seattle Radiology

  • Diagnostic Radiology Physician
  • Seattle, WA
  • NPI 1639653017
  Medicare reassignment Care Compare group NPD
• Radia Inc P S

  dba Radia

  • Diagnostic Radiology Physician
  • Lynnwood, WA
  • NPI 1932196607
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  dba Swedish Imaging Clinics

  • Body Imaging Physician
  • Everett, WA
  • NPI 1114356904
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Internal Medicine Physician
  • Seattle, WA
  • NPI 1689612954
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

  • Family Medicine Physician
  • Seattle, WA
  • NPI 1831139724
  Medicare reassignment Care Compare group NPD
• Swedish Radia Imaging Center at Edmonds LLC

  dba Swedish Radia Edmonds

  • Diagnostic Radiology Physician
  • Edmonds, WA
  • NPI 1164494373
  Medicare reassignment Care Compare group NPD
• Yakima Valley Memorial Physicians

  • General Acute Care Hospital
  • Yakima, WA
  • NPI 1306933940
  Medicare reassignment Care Compare group NPD

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

• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1306992151
  Care Compare affiliation
• Swedish Health Services

  dba Swedish/Issaquah

  • General Acute Care Hospital
  • Issaquah, WA
  • NPI 1851686059
  Care Compare affiliation
• Asante

  dba Asante Rogue Regional Medical Center

  • General Acute Care Hospital
  • Medford, OR
  • NPI 1770587107
  Care Compare affiliation
• North Idaho Day Surgery LLC

  • Multi-Specialty Clinic/Center
  • St Maries, ID
  • NPI 1093674301

  Hospital

  Care Compare affiliation
• North Idaho Day Surgery LLC

  dba Northwest Specialty Hospital

  • General Acute Care Hospital
  • Post Falls, ID
  • NPI 1104824739
  Care Compare affiliation
• North Idaho Day Surgery LLC

  • Sleep Medicine (Psychiatry & Neurology) Physician
  • Post Falls, ID
  • NPI 1649123589

  Hospital

  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  dba Providence Santa Rosa Memorial Hospital

  • General Acute Care Hospital
  • Santa Rosa, CA
  • NPI 1134152549
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1141776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767052800000",
    "number": "1326016379",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19020 33RD AVE W STE 210",
            "city": "LYNNWOOD",
            "state": "WA",
            "postal_code": "980364748",
            "telephone_number": "425-563-1500",
            "fax_number": "425-563-1374"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3417 ENSIGN RD NE",
            "city": "OLYMPIA",
            "state": "WA",
            "postal_code": "985065075",
            "telephone_number": "360-493-4600",
            "fax_number": "360-493-4603"
        }
    ],
    "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": "FIELDS",
        "first_name": "JACK",
        "middle_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-08",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "MD00045508",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LNI-RADIA",
            "identifier": "0384204",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8450157",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1043717",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LNI-SOUTH SOUND RADIOLOGY",
            "identifier": "0207711",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jill Ferris, L.M.P.
• Shayni Weston Fesenbek, OTR/L
• Michelle Fetrick, DPT
• Trinity Ann Fewell
• Nisreen Fidda, MD
• Miriam Louise Fields, MD, MPH
• Melanie Figeley, NTP
• Elizabet Figueroa, PHYSICIAN ASSISTANT
• Fihn Med Group Inc
• Sharon Rose Filkins, RN

• Diagnostic Radiology Physician in Olympia, WA
• Providers in Olympia, WA by specialty
• Diagnostic Radiology Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 2025; 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.

Verify at the official NPI Registry.