Timothy C Hollister, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

036-104662 Issued in IL

Practice address

3201 Old Glenview Rd Ste 100
Wilmette, IL 60091-2964

Phone

(847) 512-1849

Fax

(847) 512-1850

NPI assigned

Jan 26, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

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

Radiation Oncology

Education

University of Wisconsin School of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Metro Chicago Surgical Oncology LLCGroup PAC ID 7214107069, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/3164/brand/1/csg/181/fhir/r4
• Direct secure messaging: timothy.hollister.1@3164.direct.athenahealth.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.

• Metro Chicago Surgical Oncology LLC

  • Urology Physician
  • Wilmette, IL
  • NPI 1043501448
  Medicare reassignment Care Compare group NPD
• Metro Chicago Surgical Oncology LLC

  dba MCSO Diagnostic Center

  • Radiology Clinic/Center
  • Wilmette, IL
  • NPI 1629495114
  NPD
• Midwest Radiation Oncology Consultants LTD

  • Radiation Oncology Physician
  • Elgin, IL
  • NPI 1033134606
  NPD (past)

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

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

{
    "created_epoch": "1169769600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1669528428",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3201 OLD GLENVIEW RD STE 100",
            "city": "WILMETTE",
            "state": "IL",
            "postal_code": "600912964",
            "telephone_number": "847-512-1849",
            "fax_number": "847-512-1850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3201 OLD GLENVIEW RD STE 100",
            "city": "WILMETTE",
            "state": "IL",
            "postal_code": "600912964",
            "telephone_number": "847-512-1849",
            "fax_number": "847-512-1850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLISTER",
        "first_name": "TIMOTHY",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-26",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036-104662",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036104662",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lisa Hirschle, MPT
• Tanner Hoegh, LPC
• Rebecca Hoffman, MD
• James Meyer Holland, M.D.
• Nathan Douglas Holliday, MS, FNP-BC
• Meagan Horwath, M.S, CF-SLP
• Hoss B, LLC (Broad Street Home Care)
• John A Hosterman, PH.D.
• Ellen Hotchkiss, LCSW
• Houglum Physical Therapy, LLC

• Radiation Oncology Physician in Wilmette, IL
• Providers in Wilmette, IL by specialty
• Radiation Oncology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.