Weitian Liu, MD, PHD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MD28090 Issued in OR

Practice address

2875 NE Stucki Ave
Hillsboro, OR 97124-5806

Phone

(800) 813-2000

NPI assigned

Apr 17, 2007

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

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

Gastroenterology

Education

Other, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaiser Foundation Hospital Westside Hospital, Hillsboro, OR, CCN 380103

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

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
• Kaiser Foundation Health Plan of the Northwest

  dba Interstate Radiation Oncology

  • Radiation Oncology Clinic/Center
  • Portland, OR
  • NPI 1093043424
  NPD
• Kaiser Foundation Health Plan of the Northwest

  • General Practice Physician
  • Portland, OR
  • NPI 1871848457
  NPD
• Kaiser Foundation Health Plan of the Northwest

  • Clinic/Center
  • Hillsboro, OR
  • NPI 1942718622
  NPD
• Kaiser Foundation Hospitals

  dba Kaiser Foundation Hospital - Westside

  • General Acute Care Hospital
  • Hillsboro, OR
  • NPI 1891048807
  NPD (past)

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

• Kaiser Foundation Hospitals

  dba Kaiser Foundation Hospital - Westside

  • General Acute Care Hospital
  • Hillsboro, OR
  • NPI 1891048807
  Care Compare affiliation

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

{
    "created_epoch": "1176768000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1225254436",
    "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": "2875 NE STUCKI AVE",
            "city": "HILLSBORO",
            "state": "OR",
            "postal_code": "971245806",
            "telephone_number": "800-813-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-203-5474",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIU",
        "first_name": "WEITIAN",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-17",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OR",
            "license": "MD28090",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/interconnect-prodnwm/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Northwest Permanente PC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "2875 NE Stucki Ave",
            "city": "Hillsboro",
            "state": "OR",
            "country_code": "US",
            "postal_code": "971245806",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Ashley V Little, DO
• Jaeden Littleton
• Constance Liu, OTD
• I-Hui Ellen Liu, L.AC.
• Janny Liu
• Living Well Med Spa
• Monica Lizama
• Hope Shannon Lizotte, MA
• Yulia Lobova, BA, QMHA
• Karin Loch, RN

• Gastroenterology Physician in Hillsboro, OR
• Providers in Hillsboro, OR by specialty
• Gastroenterology Physician in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 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.