David R Onsager

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

036093456 Issued in IL

Practice address

5841 S Maryland Ave
Chicago, IL 60637-1443

Phone

(888) 824-0200

NPI assigned

Oct 25, 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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IL, IN2 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

Cardiac SurgeryAlso: Thoracic Surgery

Education

Rush Medical College of Rush University, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

The University of Chicago Medical CenterGroup PAC ID 7618880766, 907 clinicians

University of ChicagoGroup PAC ID 7719899426, 1,674 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• The University of Chicago Medical Center Hospital, Chicago, IL, CCN 140088
• Uchicago Medicine Adventhealth Hinsdale Hospital, Hinsdale, IL, CCN 140122

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: donsagermd58118@uchospital.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.

• Endeavor Health Medical Group

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment Care Compare group NPD
• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1033218128
  Medicare reassignment Care Compare group NPD
• University of Chicago

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1821048786
  Medicare reassignment Care Compare group NPD
• Adventist Health Partners, Inc

  • Cardiovascular Disease Physician
  • Hinsdale, IL
  • NPI 1912218850
  Medicare reassignment NPD
• The Methodist Hospitals, Inc

  • Neurology Physician
  • Gary, IN
  • NPI 1720290588
  Medicare reassignment
• Endeavor Health Medical Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD
• The University of Chicago Medical Center

  • Community/Retail Pharmacy
  • Calumet City, IL
  • NPI 1255895678
  NPD
• Cardiac Surgery Associates SC

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Downers Grove, IL
  • NPI 1043269160
  NPD (past)
• Rush University Medical Center

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Chicago, IL
  • NPI 1578571055
  NPD (past)

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

• Adventist Midwest Health

  • General Acute Care Hospital
  • Hinsdale, IL
  • NPI 1265465439
  Care Compare affiliation
• Adventist Midwest Health

  • Psychiatric Hospital Unit
  • Hinsdale, IL
  • NPI 1447270780
  Care Compare affiliation
• Endeavor Health Clinical Operations

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation
• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1508956509
  Care Compare affiliation

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

{
    "created_epoch": "1161734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1666569600000",
    "number": "1396829156",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR",
            "address_2": "SUITE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "888-824-0200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ONSAGER",
        "first_name": "DAVID",
        "middle_name": "R",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-25",
        "last_updated": "2022-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "IL",
            "license": "036093456",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "donsagermd58118@uchospital.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "University of Chicago Physicians Group",
            "address_1": "5841 S Maryland Ave",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606371443",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Rachel Ongsansoy, NP
• Dolorita Hakoma Onguru, MSN, AGACNP-BC
• Brenda Onia, M.D.
• Sue Burcu Onispir-Kafali, MD
• Only by Faith Inc.
• Onsite Health Partners, LLC
• Onsite Testing Incorporated
• Onsite Urology LLC
• Ontario Street Operatory
• Ontario Street Operatory Fac

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 2022; 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.