# John O Ranker, MD

Source: https://ourhealthnetwork.com/doctor/john-ranker-md-1508069444
NPI: 1508069444
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John O Ranker, MD is a nephrology based in Findlay, OH practicing at Toledo Clinic Incorporated with NPI 1508069444.

## Profile

- Primary specialty: Nephrology
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
- Graduation year: 2003
- NPI: 1508069444 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1508069444))

## Practice and contact

- Practice name: Toledo Clinic Incorporated
- Address: 1900 S Main St, Findlay, OH, 458401214
- Phone: (419) 874-3246
- Group practice size: 216 members

## 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:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 13 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 7 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers John O Ranker, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1508069444).

## 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 $23.

Largest disclosed payer: Otsuka America Pharmaceutical, Inc. ($23 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 Nephrology doctors in FINDLAY, OH](https://ourhealthnetwork.com/nephrology/oh/findlay)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1508069444)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)
