Thomas Gregory Lienhoop, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

036165443 Issued in IL

Practice address

2650 Ridge Ave # 1223
Evanston, IL 60201-1700

Phone

(847) 570-2040

NPI assigned

Mar 4, 2015

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

Medicare fee-for-service enrollment

Enrolled in IL

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 1

Specialty

Diagnostic Radiology

Education

Northwestern University Feinberg Medical School, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• Swedish Hospital Hospital, Chicago, IL, CCN 140114
• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281
• Northwestern Lake Forest Hospital Hospital, Lake Forest, IL, CCN 140130

Merit-based Incentive Payment System (MIPS)

Final score

84.9 of 100Reported as group

Quality

75.91

Promoting interoperability

99

Improvement activities

40

Cost

74.6

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tlienhoop18639@uihealth.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

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882
  Medicare reassignment Care Compare group NPD
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

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

• Endeavor Health Clinical Operations

  dba Endeavor Health Evanston Hospital

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation
• Northwestern Lake Forest Hospital

  dba Northwestern Medicine Lake Forest Hospital

  • General Acute Care Hospital
  • Lake Forest, IL
  • NPI 1124025176
  Care Compare affiliation
• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation
• Swedish Covenant Health

  dba Endeavor Health Swedish Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1831151257
  Care Compare affiliation

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

{
    "created_epoch": "1425427200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789344000000",
    "number": "1588056204",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE # 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE # 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-570-2040"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5841 S Maryland Ave # Mc2026",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371443",
            "country_code": "US",
            "telephone_number": "773-702-1161",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIENHOOP",
        "first_name": "THOMAS",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-04",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036165443",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "125071807",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Leigh Libert, MD
• Katharine Lichtenwalter, PHARMD
• Marcy Diane Lichterman, LCSW
• Emily Elizabeth Lieber, LCSW, TYPE 73
• Susan S Lieber, LCSW
• Lifespeed, LLC
• Lifeworks Centro de Salud
• Lilian Holm Wellness, LLC
• Chuang-Yuan Lin, MD
• Helen C. Lin, MD

• Diagnostic Radiology Physician in Evanston, IL
• Providers in Evanston, IL by specialty
• Diagnostic Radiology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 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.