William Zander, D.O.
NPI 1518038488 · Occupational Medicine Physician · Aurora, IL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zander, D.O. is a Occupational Medicine Physician provider in Aurora, IL (NPI 1518038488).
Provider details
- NPI number
- 1518038488
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036086818 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2024-05-15
- Certified
- 2024-05-10
Frequently asked questions
- What is William Zander's NPI number?
- William Zander's National Provider Identifier (NPI) is 1518038488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zander's specialty?
- William Zander is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Zander located?
- William Zander's practice location on file with NPPES is 1221 N Highland Ave, Aurora, IL 60506-1404.
- What is William Zander's phone number?
- The practice phone number listed in the NPPES registry for William Zander is (630) 554-3456.
- Does William Zander accept Medicare?
- William Zander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zander's NPI active?
- Yes — William Zander's NPI (1518038488) is active in the NPPES registry as of the last update on 2024-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.