NPIMap

Individual provider Active NPI

Yi Chang Hsieh

  • Urology Physician
  • Marshfield, WI
National Provider Identifier
1184628661
Registry record updated Jun 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
15099 Issued in WI
Practice address
1000 N Oak Ave
Marshfield, WI 54449-5703
Phone
(715) 387-5511
NPI assigned
Jun 13, 2005
Last updated
Jun 23, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X MD00043153 WA
Urology Physician 208800000X 15099 WI Primary

Addresses

Primary practice location

1000 N Oak Ave
Marshfield, WI 54449-5703

Mailing address

34612 6TH Ave S Ste 110
Federal Way, WA 98003-8723
Phone (253) 927-1882

Other practice location 1

34612 6th Ave S
Suite210
Federal Way, WA 98003-8723
Phone (253) 927-1882

Other identifiers 2

IdentifierTypeStateIssuer
1427128198OtherWAGROUP NPI
7125081MedicaidWA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040505001730 WA Practitioner - Urology 7810985900 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians
Surgical Associates Northwest PCGroup PAC ID 3971596024, 13 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

34612 6TH Ave S
Suite 210
Federal Way, WA 98003-8723
Phone (253) 927-1882

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Prostate resection1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD00043153WAMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Surgical Associates Northwest, P.C. Urology CurrentSince Mar 1, 2004 Accepting new patients
Surgical Associates Northwest, PC CurrentSince Mar 1, 2004 Accepting new patients
Capital Medical Center Specialty Physicians, LLC Urology CurrentSince Oct 3, 2025 Accepting new patients

Locations

202 N Division St
Ste 100
Auburn, WA 98001
Phone (253) 223-0515

34612 6th Ave S
Ste 110
Federal Way, WA 98003
Phone (253) 661-2594

34612 6th Ave S
Ste 210
Federal Way, WA 98003
Phone (253) 927-1882

3900 Capital Mall Dr SW
Olympia, WA 98502
Phone (360) 704-4743

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/2229/brand/3/csg/621/fhir/r4
  • Direct secure messaging: yihsieh@sa.allscriptsdirect.net

Organizations & group practices 4

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.

Hospital & facility affiliations 9

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

NPI Registry JSON

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

{
    "created_epoch": "1118620800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1184628661",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34612 6TH AVE S STE 110",
            "city": "FEDERAL WAY",
            "state": "WA",
            "postal_code": "980038723",
            "telephone_number": "253-927-1882",
            "fax_number": "253-927-1439"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 N OAK AVE",
            "city": "MARSHFIELD",
            "state": "WI",
            "postal_code": "544495703",
            "telephone_number": "715-387-5511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "34612 6th Ave S",
            "address_2": "Suite210",
            "address_purpose": "LOCATION",
            "city": "Federal Way",
            "state": "WA",
            "postal_code": "980038723",
            "country_code": "US",
            "telephone_number": "253-927-1882",
            "fax_number": "253-927-1439",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HSIEH",
        "first_name": "YI",
        "middle_name": "CHANG",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-13",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WA",
            "license": "MD00043153",
            "primary": false
        },
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WI",
            "license": "15099",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP NPI",
            "identifier": "1427128198",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7125081",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Marshfield, WI

Sources for this page

Verify at the official NPI Registry.