Individual provider Active NPI

Westley D. Zimmer, M.D.

  • Vascular & Interventional Radiology Physician
  • Elk Grove Village, IL
National Provider Identifier
1023465150
Registry record updated May 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Vascular & Interventional Radiology PhysicianTaxonomy code 2085R0204X
License
036.150117 Issued in IL
Practice address
800 Biesterfield Rd
Elk Grove Village, IL 60007-3361
Phone
(312) 942-5000
NPI assigned
May 18, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Vascular & Interventional Radiology Physician 2085R0204X 036.150117 IL Primary

Addresses

Primary practice location

800 Biesterfield Rd
Elk Grove Village, IL 60007-3361

Mailing address

1620 W Harrison St
Chicago, IL 60612-3801
Phone (312) 942-5000

Other practice location 1

155 E. Brush Hill Rd.
Elmhurst Radiologists, SC
Elmhurst, IL 60126-5658
Phone (331) 221-5420

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20220516000528 IL Practitioner - Diagnostic Radiology 6305131285 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
R Franklin University of Med & Sci/Chicago Medical School, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Bonaventure Medical Foundation LLCGroup PAC ID 7517863178, 164 clinicians

Practice addresses (Care Compare)

1041 W Stearns Rd
Bartlett, IL 60103-4509
Phone (630) 716-7500

1555 Barrington Rd
Hoffman Estates, IL 60169-1019
Phone (847) 490-6945

1786 Moon Lake Blvd
Hoffman Est, IL 60194-5029
Phone (847) 755-8208

361 W Golf Rd
Schaumburg, IL 60195-3607
Phone (847) 952-7447

Hospital & facility affiliations

  • St Alexius Medical Center Hospital, Hoffman Estates, IL, CCN 140290
  • Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242
  • Alexian Brothers Medical Center 1 Hospital, Elk Grove Village, IL, CCN 140258
  • Northwest Community Hospital 1 Hospital, Arlington Heights, IL, CCN 140252
  • Presence Saints Mary and Elizabeth Medical Center Hospital, Chicago, IL, CCN 140180

Merit-based Incentive Payment System (MIPS)

Final score
75 of 100Reported as group

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.150117ILMDVascular & Interventional Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Bonaventure Medical Foundation, LLC CurrentSince Apr 7, 2025 Accepting new patients
Endeavor Health Medical Group Current Accepting new patients
Riverside Health System CurrentSince Nov 27, 2024 Accepting new patients
Endeavor Health Medical Group CurrentSince May 9, 2025 Accepting new patients
Radiological Consultants of Woodstock LTD Vascular & Interventional Radiology CurrentSince Jul 1, 2025 Accepting new patients
Riverside Health System CurrentSince Nov 27, 2024 Accepting new patients
Pco PC CurrentSince Aug 1, 2024 Accepting new patients
Orlando Health Medical Group Inc Past Accepting new patients

Locations

300 Riverside Dr
Bourbonnais, IL 60914
Phone (773) 702-6169

400 S Kennedy Dr
Ste 700
Bradley, IL 60915
Phone (815) 935-7532

9532 Eagle Way
Chicago, IL 60678

126 Biesterfield Rd
Elk Grove Vlg, IL 60007
Phone (847) 981-3500

155 E Brush Hill Rd
Elmhurst, IL 60126
Phone (331) 221-3521

2650 Ridge Ave
#1223
Evanston, IL 60201
Phone (847) 982-3172

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

1555 N Barrington Rd
Hoffman Estates, IL 60169
Phone (847) 490-2923

1786 Moon Lake Blvd
Hoffman Estates, IL 60169
Phone (847) 640-5640

500 W Court St
Kankakee, IL 60901
Phone (800) 585-4119

9410 Compubill Dr
Orland Park, IL 60462
Phone (312) 460-7444

105 S First St
Wilmington, IL 60481
Phone (815) 476-5210

Organizations & group practices 8

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1463529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746748800000",
    "number": "1023465150",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1620 W HARRISON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123801",
            "telephone_number": "312-942-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 BIESTERFIELD RD",
            "city": "ELK GROVE VILLAGE",
            "state": "IL",
            "postal_code": "600073361",
            "telephone_number": "312-942-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "155 E. Brush Hill Rd.",
            "address_2": "Elmhurst Radiologists, SC",
            "address_purpose": "LOCATION",
            "city": "Elmhurst",
            "state": "IL",
            "postal_code": "601265658",
            "country_code": "US",
            "telephone_number": "331-221-5420",
            "fax_number": "331-221-3701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZIMMER",
        "first_name": "WESTLEY",
        "middle_name": "D.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-05-18",
        "last_updated": "2025-05-09",
        "certification_date": "2025-05-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": "IL",
            "license": "036.150117",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Elk Grove Village, IL

Sources for this page

Verify at the official NPI Registry.