Justin Aaron Siegal, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

C168787 Issued in CA

Practice address

747 52ND St
Oakland, CA 94609-1809

Phone

(510) 428-3000

NPI assigned

Jul 29, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 6

Addresses

Other identifiers 7

Medicare fee-for-service enrollment

Enrolled in WA, ID, CA, MI4 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 4

Specialty

Diagnostic Radiology

Education

Saint Louis University School of Medicine, 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 Imaging Center Holdings LLCGroup PAC ID 6305182965, 43 clinicians

Radia Inc P SGroup PAC ID 9931012812, 275 clinicians

Swedish Health ServicesGroup PAC ID 3173433067, 156 clinicians

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

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

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

Hospital & facility affiliations

• Swedish Medical Center / Cherry Hill Hospital, Seattle, WA, CCN 500025
• Asante Rogue Regional Medical Center Hospital, Medford, OR, CCN 380018
• Northwest Specialty Hospital Hospital, Post Falls, ID, CCN 130066
• Yakima Valley Memorial Hospital, Yakima, WA, CCN 500036
• Olympic Medical Center Hospital, Port Angeles, WA, CCN 500072

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 58)

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Radia California Radiology Medical Group Inc

  • Diagnostic Radiology Physician
  • Santa Rosa, CA
  • NPI 1740982032

  WA

  Medicare reassignment Care Compare group NPD
• Central Washington Health Services Association

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

  • Diagnostic Radiology Physician
  • Kirkland, WA
  • NPI 1922095694
  Medicare reassignment Care Compare group NPD
• Medford Radiological Group, PC

  • Diagnostic Radiology Physician
  • Medford, OR
  • NPI 1407938111

  WA

  Medicare reassignment Care Compare group NPD
• Okanogan County Public Hospital District No. 3

  • 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
• Radia Imaging Center Holdings LLC

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

  • Diagnostic Radiology Physician
  • Lynnwood, WA
  • NPI 1932196607

  ID

  Medicare reassignment Care Compare group NPD
• Radia Oregon Radiology Medical Group LLC

  • Diagnostic Radiology Physician
  • Medford, OR
  • NPI 1073385423

  WA

  Medicare reassignment Care Compare group NPD
• Radiology Associates PA

  • Diagnostic Radiology Physician
  • Little Rock, AR
  • NPI 1366438186

  WA

  Medicare reassignment Care Compare group NPD
• South Sound Radiologists Inc P S

  • Diagnostic Radiology Physician
  • Olympia, WA
  • NPI 1902990500
  Medicare reassignment Care Compare group NPD
• Swedish Health Services

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

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

• Asante

  • General Acute Care Hospital
  • Medford, OR
  • NPI 1770587107
  Care Compare affiliation
• Clallam County Public Hospital District 2

  • General Acute Care Hospital
  • Port Angeles, WA
  • NPI 1306845557
  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

  • 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
• Swedish Health Services

  • General Acute Care Hospital
  • Seattle, WA
  • NPI 1356496582
  Care Compare affiliation
• Yakima Valley Memorial Hospital Association

  • General Acute Care Hospital
  • Yakima, WA
  • NPI 1053373480
  Care Compare affiliation

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

{
    "created_epoch": "1154131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779321600000",
    "number": "1639184518",
    "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": "747 52ND ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946091809",
            "telephone_number": "510-428-3000"
        }
    ],
    "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"
        },
        {
            "address_1": "19020 33rd Ave W",
            "address_2": "Suite 210",
            "address_purpose": "LOCATION",
            "city": "Lynnwood",
            "state": "WA",
            "postal_code": "980364746",
            "country_code": "US",
            "telephone_number": "425-563-1500",
            "fax_number": "425-563-1501",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIEGAL",
        "first_name": "JUSTIN",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-29",
        "last_updated": "2026-05-21",
        "certification_date": "2026-05-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WA",
            "license": "MD00042038",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "C168787",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "ID",
            "license": "M-12982",
            "primary": false
        },
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "WA",
            "license": "MD00042038",
            "primary": false
        },
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "CA",
            "license": "C168787",
            "primary": false
        },
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "ID",
            "license": "M-12982",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA/USHS PIN",
            "identifier": "US7398683",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LNI-KING COUNTY",
            "identifier": "234770",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LNI OUTSIDE KING COUNTY",
            "identifier": "341472",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MONTANA DSHS",
            "identifier": "1639184518",
            "state": "MT"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I",
            "identifier": "0039587",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGENCE",
            "identifier": "3445SI",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1015172",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Hannah Sidhom
• Sonya Sidhu, MD
• Stephen Sidney, MD
• Lillian Sie, LAC
• Claudia Sieber, MFT
• Lea Siegel
• Sheila Siemer, RN
• Michael Rafael Sierra
• Sabrina Simone Sierra
• Winter Sierra

• Diagnostic Radiology Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Diagnostic Radiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 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.

Verify at the official NPI Registry.