# Robert David Siegel, MD

Source: https://ourhealthnetwork.com/doctor/robert-siegel-md-1518901545
NPI: 1518901545
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Robert David Siegel, MD is a medical oncology based in Alton, IL practicing at Washington University Physicians In Illinois Inc with NPI 1518901545.

## Profile

- Primary specialty: Medical Oncology
- Secondary specialties: INTERNAL MEDICINE
- Credential: MD
- Gender: Male
- Medical school: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
- Graduation year: 1981
- NPI: 1518901545 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1518901545))

## Practice and contact

- Practice name: Washington University Physicians In Illinois Inc
- Address: 1 Memorial Dr, Alton, IL, 620026722
- Phone: (618) 463-7311
- Group practice size: 154 members

## Insurance accepted (9 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) — 19 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 11 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 10 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 8 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 3 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Robert David Siegel, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1518901545).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 6 disclosed payments from medical industry sources totaling approximately $122.

Largest disclosed payer: Lilly USA, LLC ($29 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 Medical Oncology doctors in ALTON, IL](https://ourhealthnetwork.com/medical-oncology/il/alton)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1518901545)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)