Ioannis Karkatzounis, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

036-120385 Issued in IL

Practice address

855 N Westhaven Dr
Oshkosh, WI 54904-7668

Phone

(920) 303-8700

Fax

(920) 456-7601

NPI assigned

Aug 3, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IL, MI, WI, IA4 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 4

Specialty

Internal Medicine

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Grand Traverse Physician Services PCGroup PAC ID 2466963806, 119 clinicians

Genesis Health SystemGroup PAC ID 6103829338, 262 clinicians

Sound Physicians of Illinois LLCGroup PAC ID 1557533734, 193 clinicians

Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

Beloit Health System IncGroup PAC ID 8224947858, 138 clinicians

24 On Physicians PCGroup PAC ID 5698688141, 274 clinicians

Trinity Medical Staffing LLCGroup PAC ID 1759712698, 35 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Osf Sacred Heart Medical Center Hospital, Danville, IL, CCN 140093
• Genesis Medical Center-Davenport Hospital, Davenport, IA, CCN 160033
• Deaconess Illinois Crossroads Hospital, Mount Vernon, IL, CCN 140294
• Herrin Hospital Hospital, Herrin, IL, CCN 140011
• Memorial Hospital of Carbondale Hospital, Carbondale, IL, CCN 140164

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 34)

Interoperability endpoints

• Direct secure messaging: ikarkatzounis78459@sih.direct-ci.com

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.

• Beloit Health System Inc

  • General Practice Physician
  • Beloit, WI
  • NPI 1679616361

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• 24 On Physicians, PC

  • Hospitalist Physician
  • Ottawa, IL
  • NPI 1346480431
  Medicare reassignment Care Compare group NPD
• Genesis Health System

  • Surgery Physician
  • Davenport, IA
  • NPI 1528616901

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527
  Medicare reassignment Care Compare group NPD
• Sound Physicians of Illinois, LLC

  • Hospitalist Physician
  • Bridgeton, MO
  • NPI 1043598865

  IL, Internal Medicine

  Medicare reassignment Care Compare group NPD
• Trinity Medical Staffing LLC

  • Internal Medicine Physician
  • Harrisburg, IL
  • NPI 1770103426
  Medicare reassignment Care Compare group NPD
• Grand Traverse Physician Services PC

  • Hospitalist Physician
  • Traverse City, MI
  • NPI 1932913217
  Medicare reassignment Care Compare group
• Aurora Medical Group, Inc.

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

  Internal Medicine

  Medicare reassignment NPD
• Baycare Aurora, LLC

  • General Acute Care Hospital
  • Green Bay, WI
  • NPI 1255387726

  Hospitalist

  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment NPD
• Carle West Physician Group Inc

  • Family Medicine Physician
  • Normal, IL
  • NPI 1467074138
  Medicare reassignment NPD
• Cep America-Illinois Hospitalists, LLP

  • Internal Medicine Physician
  • Belleville, IL
  • NPI 1841613403
  Medicare reassignment NPD

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

• Deaconess Illinois Crossroads Inc

  • General Acute Care Hospital
  • Mount Vernon, IL
  • NPI 1124745807
  Care Compare affiliation
• Genesis Health System

  • General Acute Care Hospital
  • Davenport, IA
  • NPI 1972542264
  Care Compare affiliation
• Osf Healthcare System

  • General Acute Care Hospital
  • Danville, IL
  • NPI 1699288449
  Care Compare affiliation
• Southern Illinois Hospital Services

  • General Acute Care Hospital
  • Carbondale, IL
  • NPI 1093801797
  Care Compare affiliation
• Southern Illinois Hospital Services

  • General Acute Care Hospital
  • Herrin, IL
  • NPI 1528158573
  Care Compare affiliation

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

{
    "created_epoch": "1217721600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1727308800000",
    "number": "1639335235",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4 STONEBROOK CT",
            "city": "BLOOMINGTON",
            "state": "IL",
            "postal_code": "617044156",
            "telephone_number": "312-730-8637"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "855 N WESTHAVEN DR",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549047668",
            "telephone_number": "920-303-8700",
            "fax_number": "920-456-7601"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARKATZOUNIS",
        "first_name": "IOANNIS",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-08-03",
        "last_updated": "2024-09-26",
        "certification_date": "2024-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "2960",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036120385",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "2960",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036-120385",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100004698",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Daniel J Kaiser, MD
• Gurjeet Singh Kaleka, MD
• Erik Kallio
• Michelle Robin Kalman, PA-C
• Emerald M Kampo
• Keri Karst, RD, CD
• Jordan Kasper, DPT
• Kelly A Kastein, CRNA
• Kim M Kastein, NP
• Aimee Michele Kasten, ATC

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 26, 2024; 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.