Westley Zimmer, M.D.
NPI 1023465150 · Vascular & Interventional Radiology Physician · Elk Grove Village, IL
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Westley Zimmer, M.D. is a Vascular & Interventional Radiology Physician provider in Elk Grove Village, IL (NPI 1023465150).
Provider details
- NPI number
- 1023465150
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.150117 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
4,762 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,090 | $9 |
| X-Ray of Chest, 2 Views71046 | 367 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 333 | $40 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 220 | $9 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 188 | $83 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 144 |
Practice location
Mailing address
Additional practice locations (1)
- 155 E. Brush Hill Rd.Elmhurst Radiologists, ScElmhurst, IL 60126-5658Phone: (331) 221-5420Fax: (331) 221-3701
Registry dates
- Enumerated
- 2016-05-18
- Last updated
- 2025-05-09
- Certified
- 2025-05-09
Frequently asked questions
- What is Westley Zimmer's NPI number?
- Westley Zimmer's National Provider Identifier (NPI) is 1023465150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Westley Zimmer's specialty?
- Westley Zimmer is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Westley Zimmer located?
- Westley Zimmer's practice location on file with NPPES is 800 Biesterfield Rd, Elk Grove Village, IL 60007-3361.
- What is Westley Zimmer's phone number?
- The practice phone number listed in the NPPES registry for Westley Zimmer is (312) 942-5000.
- Does Westley Zimmer accept Medicare?
- Westley Zimmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Westley Zimmer's NPI active?
- Yes — Westley Zimmer's NPI (1023465150) is active in the NPPES registry as of the last update on 2025-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.