Kenneth I Oriordan, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

036084107 Issued in IL

Practice address

7900 Milwaukee Ave
Suite 19
Niles, IL 60714-3159

Phone

(847) 318-9595

Fax

(847) 318-9599

NPI assigned

Dec 1, 2006

Last updated

Oct 23, 2025By the provider in NPPES

Sex

Male

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 2

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, MT2 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

GastroenterologyAlso: Internal Medicine

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Benefis Hospitals IncGroup PAC ID 1153235296, 390 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Benefis Hospitals Inc Hospital, Great Falls, MT, CCN 270012
• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
• Great Falls Clinic Hospital Hospital, Great Falls, MT, CCN 270086

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: koriordan32049@benefishs.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Benefis Hospitals Inc

  dba Benefis Medical Group

  • Multi-Specialty Clinic/Center
  • Great Falls, MT
  • NPI 1780968974
  Medicare reassignment Care Compare group NPD
• City of Hope Medical Group of Illinois PLLC

  • Specialist
  • Zion, IL
  • NPI 1548258072
  Medicare reassignment NPD
• Lakeshore Gastroenterology and Liver Disease Institute S.C.

  • Gastroenterology Physician
  • Oak Park, IL
  • NPI 1528237765
  Medicare reassignment NPD
• Rockford Health Physicians

  dba Mercyhealth Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment NPD
• Saint Anthony Health Affiliates

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1881086064
  Medicare reassignment
• Northwestern Medical Faculty Foundation

  dba Northwestern Medical Group

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Benefis Hospitals, Inc.

  • General Acute Care Hospital
  • Great Falls, MT
  • NPI 1881650737
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  NPD (past)
• Central Dupage Physician Group

  dba Northwestern Medicine Regional Medical Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  NPD (past)
• West Suburban Gastroenterology S C

  • Gastroenterology Physician
  • Oak Park, IL
  • NPI 1487724852
  NPD (past)
• Benefis Hospitals, Inc.

  dba Benefis Senior Services

  • Physical Therapist
  • Great Falls, MT
  • NPI 1750530515
  NPD (past)

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

• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation
• Benefis Hospitals Inc

  dba Benefis Medical Group

  • Multi-Specialty Clinic/Center
  • Great Falls, MT
  • NPI 1780968974

  Hospital

  Care Compare affiliation
• Benefis Hospitals, Inc.

  • Air Ambulance
  • Great Falls, MT
  • NPI 1114934023

  Hospital

  Care Compare affiliation
• Benefis Hospitals, Inc.

  • General Acute Care Hospital
  • Great Falls, MT
  • NPI 1881650737
  Care Compare affiliation
• CMSC, LLC

  dba Great Falls Clinic Hospital

  • General Acute Care Hospital
  • Great Falls, MT
  • NPI 1639109978
  Care Compare affiliation

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

{
    "created_epoch": "1164931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761177600000",
    "number": "1912075649",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7900 N MILWAUKEE AVE STE 19",
            "city": "NILES",
            "state": "IL",
            "postal_code": "607143239",
            "telephone_number": "847-318-9595",
            "fax_number": "847-318-9599"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7900 MILWAUKEE AVE",
            "address_2": "SUITE 19",
            "city": "NILES",
            "state": "IL",
            "postal_code": "607143159",
            "telephone_number": "847-318-9595",
            "fax_number": "847-318-9599"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "259 E Erie St Ste 1600",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606113111",
            "country_code": "US",
            "telephone_number": "312-695-5620",
            "fax_number": "312-695-7095",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1401 25th St S",
            "address_purpose": "LOCATION",
            "city": "Great Falls",
            "state": "MT",
            "postal_code": "594055183",
            "country_code": "US",
            "telephone_number": "406-731-8888",
            "fax_number": "406-731-8318",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ORIORDAN",
        "first_name": "KENNETH",
        "middle_name": "I",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-01",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MT",
            "license": "57870",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036084107",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036084107",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAIL ROAD MEDICARE",
            "identifier": "100016094",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "koriordan32049@benefishs.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "Benefis Hospitals Inc",
            "address_1": "1101 26th St S",
            "city": "Great Falls",
            "state": "MT",
            "country_code": "US",
            "postal_code": "594055161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Julita Opada
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• John A Oplawski, O.D.
• Courtney Orcholski, PH.D.
• Orianna Albazi, DDS P.C.
• Malgorzata Orynczak, PT
• Tilo Oumboutty, LMT
• Tiffany Pacocha, NP
• Pain Care Advisors, LLC
• Pain Management Centers of Illinois SC

• Gastroenterology Physician in Niles, IL
• Providers in Niles, IL by specialty
• Gastroenterology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 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.