Active NPI
Westley D. Zimmer, M.D.
- Vascular & Interventional Radiology Physician
- Elk Grove Village, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Vascular & Interventional Radiology Physician
- License
- 036.150117
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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
- Northwestern Medicine Central Dupage Hospital
- Alexian Brothers Medical Center 1
- Northwest Community Hospital 1
- Presence Saints Mary and Elizabeth Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.150117 | IL | MD | Vascular & Interventional Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Bonaventure Medical Foundation, LLC | Current | Accepting new patients | |
| Endeavor Health Medical Group | Current | Accepting new patients | |
| Riverside Health System | Current | Accepting new patients | |
| Endeavor Health Medical Group | Current | Accepting new patients | |
| Radiological Consultants of Woodstock LTD | Vascular & Interventional Radiology | Current | Accepting new patients |
| Riverside Health System | Current | Accepting new patients | |
| Pco PC | Current | 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.
-
- Family Medicine Physician
- Elk Grove Village, IL
- NPI 1588775647
-
- Emergency Medicine Physician
- Evanston, IL
- NPI 1497701882
-
- Diagnostic Radiology Physician
- Hoffman Estates, IL
- NPI 1962507889
Vascular & Interventional Radiology
-
- General Practice Physician
- Kankakee, IL
- NPI 1417061193
-
- Anesthesiology Physician
- Evanston, IL
- NPI 1265695944
-
- Psychiatry Physician
- Kankakee, IL
- NPI 1336354430
-
- Durable Medical Equipment & Medical Supplies
- Winter Park, FL
- NPI 1265019541
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Elk Grove Village, IL
- NPI 1265577191
-
- General Acute Care Hospital
- Winfield, IL
- NPI 1003864810
-
- Psychiatric Hospital Unit
- Winfield, IL
- NPI 1740230895
-
- General Acute Care Hospital
- Arlington Heights, IL
- NPI 1578932869
-
- General Acute Care Hospital
- Arlington Heights, IL
- NPI 1770531600
-
- General Acute Care Hospital
- Chicago, IL
- NPI 1265270607
-
- General Acute Care Hospital
- Hoffman Estates, IL
- NPI 1376644385
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 9, 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.