Jack D Ohringer, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

217409 Issued in IL

Practice address

315 W Carpenter St FL 1
Springfield, IL 62702-4901

Phone

(217) 545-8000

NPI assigned

Jul 26, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in WI, IL2 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

Gastroenterology

Education

University of Chicago, Pritzker School of Medicine, 1982

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

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

Siu Physicians and Surgeons IncGroup PAC ID 2365352820, 316 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora Medical Center Kenosha Hospital, Kenosha, WI, CCN 520189
• Memorial Medical Center Hospital, Springfield, IL, CCN 140148

Procedures performed for Medicare patients

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.

• Siu Physicians & Surgeons, Inc

  • Endocrinology, Diabetes & Metabolism Physician
  • Springfield, IL
  • NPI 1558385989

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378
  Medicare reassignment Care Compare group NPD
• Siu Physicians & Surgeons, Inc

  • Durable Medical Equipment & Medical Supplies
  • Springfield, IL
  • NPI 1164055976
  NPD
• 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
• Siu Physicians & Surgeons, Inc

  • Pediatrics Physician
  • Springfield, IL
  • NPI 1285657379
  NPD (past)
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1801941075
  NPD (past)

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

• Memorial Medical Center

  • General Acute Care Hospital
  • Springfield, IL
  • NPI 1255317590
  Care Compare affiliation
• Aurora Health Care Southern Lakes, Inc.

  • General Acute Care Hospital
  • Kenosha, WI
  • NPI 1225156888
  Care Compare affiliation

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

{
    "created_epoch": "1153872000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1285658393",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 19639",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627949639",
            "telephone_number": "217-545-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "315 W CARPENTER ST FL 1",
            "city": "SPRINGFIELD",
            "state": "IL",
            "postal_code": "627024901",
            "telephone_number": "217-545-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10400 75th St",
            "address_purpose": "LOCATION",
            "city": "Kenosha",
            "state": "WI",
            "postal_code": "531427884",
            "country_code": "US",
            "telephone_number": "262-948-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OHRINGER",
        "first_name": "JACK",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-26",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "217409",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34479800",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "10400 75th St",
            "city": "Kenosha",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531427884",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "johringer217020@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "10400 75th St",
            "city": "Kenosha",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531427884",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jennifer K. Oglesby, D.T.
• Aminat Ogun, MD
• Haroun Babajide Ogun, MD, MPH
• Lily Linn Ohl
• Joshua Paul Ohliger, PT, DPT
• Ojcc LLC
• Ojv Inc.
• Abimbola Joy Oke, NP
• Francis Abiola Oke, CRNA
• Dorathy Dominic Okon, MD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 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.