# William P Zeller

Source: https://ourhealthnetwork.com/doctor/william-zeller-1699738922
NPI: 1699738922
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William P Zeller is a endocrinology based in Wheaton, IL practicing at Advocate Health And Hospitals Corporation with NPI 1699738922.

## Profile

- Primary specialty: Endocrinology
- Gender: Male
- Medical school: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
- Graduation year: 1977
- NPI: 1699738922 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1699738922))

## Practice and contact

- Practice name: Advocate Health And Hospitals Corporation
- Address: 2001 N Gary Ave, Suite 240, Wheaton, IL, 601873055
- Phone: (630) 416-4501
- Group practice size: 2442 members

## Insurance accepted (5 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [HCSC: BCBS Illinois](https://ourhealthnetwork.com/insurance/hcsc-bcbs-illinois) — 78 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 12 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers William P Zeller, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1699738922).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 7 disclosed payments from medical industry sources totaling approximately $400.

Largest disclosed payer: Ascensia Diabetes Care Us Inc. ($110 cumulative).

Source: CMS Open Payments program (federal financial-transparency dataset). Industry payment disclosures do not imply any wrongdoing; many are legitimate consulting fees, research support, or speaker honoraria.

## Related on OurHealthNetwork

- [More Endocrinology doctors in WHEATON, IL](https://ourhealthnetwork.com/endocrinology/il/wheaton)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1699738922)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)