# Ryan J Tremb, DO

Source: https://ourhealthnetwork.com/doctor/ryan-tremb-do-1568638989
NPI: 1568638989
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Ryan J Tremb, DO is a family practice based in Ottawa, IL practicing at Ottawa Regional Hospital And Healthcare Center with NPI 1568638989.

## Profile

- Primary specialty: Family Practice
- Credential: DO
- Gender: Male
- Graduation year: 2005
- NPI: 1568638989 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1568638989))

## Practice and contact

- Practice name: Ottawa Regional Hospital And Healthcare Center
- Address: 1614 E Norris Dr, Ottawa, IL, 613503681
- Phone: (815) 433-1010
- Group practice size: 48 members

## Insurance accepted (8 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) — 17 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 3 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 1 plan

To verify a specific plan covers Ryan J Tremb, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1568638989).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 11 disclosed payments from medical industry sources totaling approximately $1,047.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($437 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 OTTAWA, IL](https://ourhealthnetwork.com/family-practice/il/ottawa)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1568638989)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)