Jin Sun Yu, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

54857-020 Issued in WI

Practice address

1032 E Sumner St
Hartford, WI 53027-1608

Phone

(262) 673-2300

NPI assigned

Jun 29, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in WI

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 1

Specialty

Internal Medicine

Education

Medical College of Wisconsin, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Columbia St Marys Hospital Milwaukee IncGroup PAC ID 5890604722, 311 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora Medical Ctr Washington County Hospital, Hartford, WI, CCN 520038
• Ascension Columbia St Marys Hospital Milwaukee Hospital, Milwaukee, WI, CCN 520051
• Aurora Medical Center Hospital, Grafton, WI, CCN 520207

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.

• Columbia St. Mary'S Hospital Milwaukee, Inc

  • Multi-Specialty Clinic/Center
  • Milwaukee, WI
  • NPI 1023064482
  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment Care Compare group
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Aurora Medical Group, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1659599157
  NPD
• Columbia St. Mary'S Hospital Milwaukee Inc

  • Psychiatric Hospital Unit
  • Mequon, WI
  • NPI 1417600909
  NPD
• Columbia St. Mary'S Hospital Milwaukee, Inc

  • Multi-Specialty Clinic/Center
  • Mequon, WI
  • NPI 1710928221
  NPD

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

• Aurora Medical Center Grafton, LLC

  • General Acute Care Hospital
  • Grafton, WI
  • NPI 1265740195
  Care Compare affiliation
• Aurora Medical Center of Washington County, Inc.

  • General Acute Care Hospital
  • Hartford, WI
  • NPI 1760420103
  Care Compare affiliation
• Aurora Medical Center of Washington County, Inc.M

  • Clinic/Center
  • Hartford, WI
  • NPI 1306056056

  Hospital

  Care Compare affiliation
• Columbia St. Mary'S Hospital Milwaukee, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1871656082
  Care Compare affiliation

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

{
    "created_epoch": "1183075200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772755200000",
    "number": "1306043716",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1032 E SUMNER ST",
            "city": "HARTFORD",
            "state": "WI",
            "postal_code": "530271608",
            "telephone_number": "262-673-2300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2320 N Lake Dr",
            "address_2": "Suite 3603",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532114507",
            "country_code": "US",
            "telephone_number": "414-270-4932",
            "fax_number": "414-291-5195",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YU",
        "first_name": "JIN",
        "middle_name": "SUN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-06-29",
        "last_updated": "2026-03-06",
        "certification_date": "2026-03-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A107015",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "54857-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100011299",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jyu443012@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1032 E Sumner St",
            "city": "Hartford",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530271608",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "N",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S PRICE RD STE B",
            "city": "BROWNSVILLE",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1032 E Sumner St",
            "city": "Hartford",
            "state": "WI",
            "country_code": "US",
            "postal_code": "530271608",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Susan M Wittman, RPH
• Michael Wojtanowski, PT
• Katie Lynn Wolters, M.D.
• Lorena Yanez-Cloud
• George C Yu, MD
• Adnan Zaidi, M.D.
• Sarah Rae Zarenana
• Kristal Michelle Zingsheim
• Kailee Nicole Zychowski, M.S. CCC-SLP

• Internal Medicine Physician in Hartford, WI
• Providers in Hartford, WI by specialty
• Internal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 6, 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.