Sean Chang, M.D.

Primary specialty

Neuroradiology PhysicianTaxonomy code 2085N0700X

License

112950 Issued in CA

Practice address

1901 Outlet Center Dr
Suite 120
Oxnard, CA 93036-0663

Phone

(805) 604-9500

NPI assigned

Jul 10, 2010

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 7

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, NC, MO, ND, IA, IL, NM, MA, TX, WY10 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 10

Specialty

Diagnostic Radiology

Education

University of California, Geffen School of Medicine, 2005

Medicare assignment

May accept Medicare assignment

Group practices

Cumberland County Hospital System IncGroup PAC ID 1850204041, 581 clinicians

Diagnostic Radiology of Anderson PAGroup PAC ID 3173559945, 43 clinicians

Lima Radiological AssociatesGroup PAC ID 9931003977, 50 clinicians

Freeport Memorial HospitalGroup PAC ID 8426958232, 168 clinicians

Memorial Hospital of Sheridan CountyGroup PAC ID 2163405440, 90 clinicians

Chickasaw Nation Division of Health Chickasaw Nation Medical CenterGroup PAC ID 8426957523, 243 clinicians

Trinity HealthGroup PAC ID 7911816020, 292 clinicians

Otero County Hospital AssociationGroup PAC ID 3173516606, 245 clinicians

Physicians of Cape Cod HospitalGroup PAC ID 9638326671, 330 clinicians

Baptist Physician NetworkGroup PAC ID 0547333890, 121 clinicians

Columbus Regional Healthcare SystemGroup PAC ID 2961312228, 120 clinicians

Scotland Memorial Hospital, IncGroup PAC ID 0648208504, 259 clinicians

Holyoke Medical Center IncGroup PAC ID 2163419383, 202 clinicians

McFarland Clinic PCGroup PAC ID 1254244239, 353 clinicians

Plains Radiology Services LLCGroup PAC ID 1850453432, 61 clinicians

Cheyenne Radiology GroupGroup PAC ID 1951293844, 34 clinicians

Diagnostic Radiology PCGroup PAC ID 2264491570, 65 clinicians

Mahaska County HospitalGroup PAC ID 2769388677, 128 clinicians

Radiology Consultants of Iowa PLCGroup PAC ID 3577467851, 73 clinicians

Southeast Iowa Regional Medical Center IncGroup PAC ID 3870496417, 259 clinicians

Allen Memorial Hospital CorporationGroup PAC ID 4284546045, 149 clinicians

Camelot Radiology Associates LTDGroup PAC ID 4880580521, 24 clinicians

X-Ray Associates of New Mexico PCGroup PAC ID 6709879430, 53 clinicians

Radiant Imaging IncGroup PAC ID 7113145558, 65 clinicians

State University of IowaGroup PAC ID 7618884230, 1,886 clinicians

Hannibal Regional Healthcare System IncGroup PAC ID 1254236300, 256 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cape Cod Hospital Hospital, Hyannis, MA, CCN 220012
• University of Iowa Health Care Medical Center Down Hospital, Iowa City, IA, CCN 160029
• Huntington Hospital Hospital, Pasadena, CA, CCN 050438
• Mercy Medical Center - Cedar Rapids Hospital, Cedar Rapids, IA, CCN 160079
• St Lukes Hospital Hospital, Cedar Rapids, IA, CCN 160045

Merit-based Incentive Payment System (MIPS)

Final score

84.33 of 100Reported as group

Quality

73.83

Improvement activities

40

Cost

93.42

Merit-based Incentive Payment System (MIPS)

Final score

87.08 of 100Reported as group

Quality

86.25

Improvement activities

40

Cost

77.17

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as individual

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (60 of 62)

Locations (25 of 76)

Interoperability endpoints

• Direct secure messaging: schang2943312@carolinashealthcaresystem.direct-ci.com
• FHIR API: https://fhir.fhirpoint.open.allscripts.com/fhirroute/open/10040602
• FHIR API: https://fhir-myrecord.cerner.com/r4/d7c7003a-96ae-4246-aaaa-19b18f13056e/
• Direct secure messaging: sean.chang@wh.jhie.net

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.

• Radiant Imaging, Inc.

  • Diagnostic Radiology Physician
  • Arcadia, CA
  • NPI 1437583200

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Allen Memorial Hospital Corporation

  dba Allen Hospital

  • Emergency Medicine Physician
  • Waterloo, IA
  • NPI 1346292521

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Baptist Physician Network

  • Specialist
  • Beaumont, TX
  • NPI 1558485532

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Camelot Radiology Associates LTD

  dba Northern Illinois Radiologists

  • Diagnostic Radiology Physician
  • Freeport, IL
  • NPI 1841244753

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Cheyenne Radiology Group

  • Radiology Clinic/Center
  • Cheyenne, WY
  • NPI 1023056082

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Columbus Regional Healthcare System

  dba South Columbus Medical Clinic

  • General Acute Care Hospital
  • Whiteville, NC
  • NPI 1376537555

  Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Cumberland County Hospital System Inc

  dba Cape Fear Valley Professional Radiology Group

  • Diagnostic Radiology Physician
  • Fayetteville, NC
  • NPI 1962299743

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Diagnostic Radiology of Anderson, P.a.

  • Diagnostic Radiology Physician
  • Anderson, SC
  • NPI 1922125269

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Diagnostic Radiology PC

  • Diagnostic Radiology Physician
  • Omaha, NE
  • NPI 1497713291

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Freeport Memorial Hospital

  dba FHN-Memorial Hospital

  • General Acute Care Hospital
  • Freeport, IL
  • NPI 1447228788

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD
• Hannibal Regional Healthcare System Inc

  • Multi-Specialty Clinic/Center
  • Hannibal, MO
  • NPI 1003956095
  Medicare reassignment Care Compare group NPD
• Holyoke Medical Center, Inc.

  • General Acute Care Hospital
  • Holyoke, MA
  • NPI 1750395737

  CA, Multi-Specialty

  Medicare reassignment Care Compare group NPD

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

• Pasadena Hospital Association, LTD

  dba Huntington Hospital

  • General Acute Care Hospital
  • Pasadena, CA
  • NPI 1407828429
  Care Compare affiliation
• Cape Cod Hospital Inc

  dba Cape Cod Hospital

  • General Acute Care Hospital
  • Hyannis, MA
  • NPI 1114984671
  Care Compare affiliation
• Mercy Medical Center

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1720029333
  Care Compare affiliation
• St Luke's Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  Care Compare affiliation
• State University of Iowa

  dba University of Iowa Health Care Medical Center Downtown

  • General Acute Care Hospital
  • Iowa City, IA
  • NPI 1699541870
  Care Compare affiliation

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

{
    "created_epoch": "1278720000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769472000000",
    "number": "1801108568",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "609 HAMPSHIRE RD APT 375",
            "city": "WESTLAKE VILLAGE",
            "state": "CA",
            "postal_code": "913612318",
            "telephone_number": "310-920-1344"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1901 OUTLET CENTER DR",
            "address_2": "SUITE 120",
            "city": "OXNARD",
            "state": "CA",
            "postal_code": "930360663",
            "telephone_number": "805-604-9500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6000 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Hannibal",
            "state": "MO",
            "postal_code": "634016887",
            "country_code": "US",
            "telephone_number": "573-248-5301",
            "fax_number": "573-248-5302",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "701 W Forevergreen Rd",
            "address_purpose": "LOCATION",
            "city": "North Liberty",
            "state": "IA",
            "postal_code": "523179848",
            "country_code": "US",
            "telephone_number": "319-356-3375",
            "fax_number": "319-356-3949",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1470 Sugarland Dr Ste 1",
            "address_purpose": "LOCATION",
            "city": "Sheridan",
            "state": "WY",
            "postal_code": "828015774",
            "country_code": "US",
            "telephone_number": "307-673-2411",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1401 W 5th St",
            "address_purpose": "LOCATION",
            "city": "Sheridan",
            "state": "WY",
            "postal_code": "828012799",
            "country_code": "US",
            "telephone_number": "307-672-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Hawkins Dr",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522421009",
            "country_code": "US",
            "telephone_number": "319-356-3375",
            "fax_number": "319-353-8780",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2305 37th Ave SW",
            "address_purpose": "LOCATION",
            "city": "Minot",
            "state": "ND",
            "postal_code": "587017669",
            "country_code": "US",
            "telephone_number": "701-418-8000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 E Market St",
            "address_purpose": "LOCATION",
            "city": "Iowa City",
            "state": "IA",
            "postal_code": "522452633",
            "country_code": "US",
            "telephone_number": "319-339-3551",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "SEAN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-07-10",
        "last_updated": "2026-01-27",
        "certification_date": "2026-01-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "IA",
            "license": "MD-54108",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "ND",
            "license": "PT21830",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MO",
            "license": "2024034448",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IA",
            "license": "MD-54108",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "GU",
            "license": "M-2501",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "WY",
            "license": "18726A",
            "primary": false
        },
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "CA",
            "license": "112950",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1068.1",
            "affiliationName": "Cobius Healthcare Solutions",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "2720 Dundee Rd # 302",
            "city": "Northbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600622609",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Chang Wholistic Clinic
• Alan T Z Chang, L AC
• Christine Chang, MD
• Donald K Chang, DDS
• Kevin Q Chang, MD
• Scott Chichen Changchien, M.D.
• Channel Islands (Channel Islands Treatment)
• Channel Islands Family Medical Clinic
• Channel Islands Plastic & Reconstructive Surgery Medical Group, Inc.
• Channel Islands Prosthetics-Orthotics

• Neuroradiology Physician in Oxnard, CA
• Providers in Oxnard, CA by specialty
• Neuroradiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 27, 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.