Esther Hwang, M.D.

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

MD24530 Issued in OR

Practice address

3550 N Interstate Ave
Portland, OR 97227-1097

Phone

(800) 813-2000

NPI assigned

Sep 20, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 3

Other names 1

• Esther Tsou Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OR, WA2 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

Specialty

Internal Medicine

Education

University of California, San Diego School of Medicine, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Kaiser Foundation Health Plan of the NorthwestGroup PAC ID 5799688230, 1,805 clinicians

The Vancouver Clinic Inc PSGroup PAC ID 3173436490, 580 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Peacehealth Southwest Medical Cente Hospital, Vancouver, WA, CCN 500050
• Legacy Salmon Creek Medical Center Hospital, Vancouver, WA, CCN 500150

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1184786527

  WA

  Medicare reassignment Care Compare group NPD
• The Vancouver Clinic Inc PS

  • Internal Medicine Physician
  • Vancouver, WA
  • NPI 1992759427
  Medicare reassignment Care Compare group
• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1063990695
  NPD
• Kaiser Foundation Health Plan of the Northwest

  • Clinic/Center
  • Hillsboro, OR
  • NPI 1942718622
  NPD

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

• Legacy Salmon Creek Hospital

  • Clinic/Center
  • Vancouver, WA
  • NPI 1356357784

  Hospital

  Care Compare affiliation
• Legacy Salmon Creek Hospital

  • General Acute Care Hospital
  • Vancouver, WA
  • NPI 1700809829
  Care Compare affiliation
• Peacehealth

  • Cardiovascular Disease Physician
  • Vancouver, WA
  • NPI 1003194911

  Hospital

  Care Compare affiliation
• Peacehealth

  • General Acute Care Hospital
  • Vancouver, WA
  • NPI 1134178999
  Care Compare affiliation

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1215035670",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NE MULTNOMAH ST STE 100",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972322099",
            "telephone_number": "800-813-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3550 N INTERSTATE AVE",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972271097",
            "telephone_number": "800-813-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HWANG",
        "first_name": "ESTHER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-20",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "WA",
            "license": "MD00042736",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "OR",
            "license": "MD24530",
            "primary": true
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "OR",
            "license": "MD226040",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L & I",
            "identifier": "0243641",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "227429",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8377558",
            "state": "WA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/interconnectprodnwm/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "700 NE 87th Ave",
            "city": "Vancouver",
            "state": "WA",
            "country_code": "US",
            "postal_code": "986641913",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "ESTHER",
            "last_name": "TSOU",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• VI Huynh
• Lauren Taylor Hval, LMFT
• Scott R Hval, DMD
• Cassandra Lian Hwa, DNP, CNM, CMSRN
• Eloise Hwang, DO
• Henry Hwang, M.D.
• Jane Hwang, MD
• Julie Yeji Hwang, MD
• Sydney Hwang, ND, LAC
• Thomas Sangchul Hwang, MD

• Rheumatology Physician in Portland, OR
• Providers in Portland, OR by specialty
• Rheumatology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 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.