# L Robert Warren, MD

Source: https://ourhealthnetwork.com/doctor/l-warren-md-1558341933
NPI: 1558341933
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

L Robert Warren, MD is a family practice based in Belvidere, IL with NPI 1558341933.

## Profile

- Primary specialty: Family Practice
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
- Graduation year: 1979
- NPI: 1558341933 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1558341933))

## Practice and contact

- Address: 1701 5th Ave, Belvidere, IL, 610085517
- Phone: (815) 547-5451

## Insurance accepted (7 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) — 79 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 18 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 11 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 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 L Robert Warren, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1558341933).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 35 disclosed payments from medical industry sources totaling approximately $1,301.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($492 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 Family Practice doctors in BELVIDERE, IL](https://ourhealthnetwork.com/family-practice/il/belvidere)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1558341933)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)