Kirk Jihyon Pak, M.D., PH.D., M.SC.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

85101-20 Issued in WI

Practice address

W3985 County Road NN
Elkhorn, WI 53121-4337

Phone

(262) 741-2000

NPI assigned

May 3, 2012

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 5

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in IN, WI2 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

HospitalistAlso: Emergency Medicine, Internal Medicine

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Franciscan Physician NetworkGroup PAC ID 3072790682, 1,152 clinicians

Hamiltion Inpatient Physicians LLCGroup PAC ID 2769456771, 19 clinicians

Mercy Health System CorporationGroup PAC ID 7416860440, shared by 14 NPIs, 749 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Franciscan Health Lafayette Hospital, Lafayette, IN, CCN 150109
• Mercy Walworth Hospital & Medical Center Hospital, Lake Geneva, WI, CCN 521357
• Franciscan Health Rensselaer, Inc Hospital, Rensselaer, IN, CCN 151324
• Riverview Health Hospital, Noblesville, IN, CCN 150059
• Franciscan Health Crawfordsville Hospital, Crawfordsville, IN, CCN 150022
• Franciscan Health Rensselaer, Inc Nursing home, CCN 15Z324

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kpak253080@direct.franciscanalliance.org
• Direct secure messaging: kpak421754@direct.myadvocateaurora.org

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.

• Franciscan Physician Network

  • Family Medicine Physician
  • Indianapolis, IN
  • NPI 1225327984

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Hamiltion Inpatient Physicians, LLC

  • General Acute Care Hospital
  • Noblesville, IN
  • NPI 1891821591
  Medicare reassignment Care Compare group NPD
• Mercy Health System Corporation

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603
  Medicare reassignment NPD
• Mercy Health System Corporation

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378

  Internal Medicine

  NPD
• Franciscan Physician Network

  • Clinic/Center
  • Lafayette, IN
  • NPI 1992543250
  NPD

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

• Mercy Health System Corporation

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  Care Compare affiliation
• Franciscan Health Crawfordsville

  • General Acute Care Hospital
  • Crawfordsville, IN
  • NPI 1588774558
  Care Compare affiliation
• Franciscan Health Lafayette

  • General Acute Care Hospital
  • Lafayette, IN
  • NPI 1356435341
  Care Compare affiliation
• Franciscan Health Rensselaer, Inc.

  • Medicare Defined Swing Bed Hospital Unit
  • Rensselaer, IN
  • NPI 1508232075

  Nursing home

  Care Compare affiliation
• Franciscan Health Rensselaer, Inc.

  • Critical Access Hospital
  • Rensselaer, IN
  • NPI 1932589173
  Care Compare affiliation
• Riverview Hospital

  • General Acute Care Hospital
  • Noblesville, IN
  • NPI 1700883717
  Care Compare affiliation
• St. Clare Medical Center

  • Skilled Nursing Facility
  • Crawfordsville, IN
  • NPI 1508960535

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1336003200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743379200000",
    "number": "1477812956",
    "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": "W3985 COUNTY ROAD NN",
            "city": "ELKHORN",
            "state": "WI",
            "postal_code": "531214337",
            "telephone_number": "262-741-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1104 E Grace St",
            "address_purpose": "LOCATION",
            "city": "Rensselaer",
            "state": "IN",
            "postal_code": "47978",
            "country_code": "US",
            "telephone_number": "219-866-5141",
            "fax_number": "219-866-3234",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PAK",
        "first_name": "KIRK",
        "middle_name": "JIHYON",
        "credential": "M.D., PH.D., M.SC.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-05-03",
        "last_updated": "2025-03-31",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01076965A",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "MD.207561",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IN",
            "license": "01076965A",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "85101-20",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000001195932",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "05809560",
            "state": "MS"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100307369",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2196472",
            "state": "LA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300006000",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kpak253080@Direct.FranciscanAlliance.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1104 E Grace St",
            "city": "Rensselaer",
            "state": "IN",
            "country_code": "US",
            "postal_code": "47978",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kpak421754@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "W3985 County Road Nn",
            "city": "Elkhorn",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531214337",
            "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": "W3985 County Road Nn",
            "city": "Elkhorn",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531214337",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Jessica Ottow
• Janis M Paonessa, M.A., LMFT
• Mahin Para-Cremer, M.ED., BCBA
• Elizabeth Ann Paras, MS, LPC, SACIT
• Dilip P Patel, MD
• Keri Pautz

• Hospitalist Physician in Elkhorn, WI
• Providers in Elkhorn, WI by specialty
• Hospitalist Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 2025; 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.