# Ronald Trent Grenko, MD

Source: https://ourhealthnetwork.com/doctor/ronald-grenko-md-1861454571
NPI: 1861454571
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Ronald Trent Grenko, MD is a pathology based in Lancaster, PA practicing at Lancaster General Hospital with NPI 1861454571.

## Profile

- Primary specialty: Pathology
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
- Graduation year: 1985
- NPI: 1861454571 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1861454571))

## Practice and contact

- Practice name: Lancaster General Hospital
- Address: 555 N Duke St, Lancaster, PA, 176022250
- Phone: (717) 544-5511
- Group practice size: 509 members

## Insurance accepted (13 networks)

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

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Horizon BCBS NJ](https://ourhealthnetwork.com/insurance/horizon-bcbs-nj) — 13 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 12 plans
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 7 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 5 plans
- [UPMC Health Plan](https://ourhealthnetwork.com/insurance/upmc-health-plan) — 5 plans
- [Capital BC](https://ourhealthnetwork.com/insurance/capital-bc) — 2 plans
- [Highmark BS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bs-pennsylvania) — 2 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Ronald Trent Grenko, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1861454571).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 1 disclosed payment from medical industry sources totaling approximately $17.

Largest disclosed payer: Roche Diagnostics Corporation ($17 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 Pathology doctors in LANCASTER, PA](https://ourhealthnetwork.com/pathology/pa/lancaster)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1861454571)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)