# John Jeffrey Williamson, PA

Source: https://ourhealthnetwork.com/doctor/john-williamson-pa-1245338896
NPI: 1245338896
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John Jeffrey Williamson, PA is a physician assistant based in Bloomington, IL practicing at Osf Multi-specialty Group with NPI 1245338896.

## Profile

- Primary specialty: Physician Assistant
- Credential: PA
- Gender: Male
- Graduation year: 1999
- NPI: 1245338896 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1245338896))

## Practice and contact

- Practice name: Osf Multi-specialty Group
- Address: 2200 E Washington St, Bloomington, IL, 617014364
- Phone: (309) 662-3311
- Group practice size: 2086 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) — 109 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 13 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 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 John Jeffrey Williamson, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1245338896).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 5 disclosed payments from medical industry sources totaling approximately $87.

Largest disclosed payer: Ferring Pharmaceuticals Inc. ($67 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 Physician Assistant doctors in BLOOMINGTON, IL](https://ourhealthnetwork.com/physician-assistant/il/bloomington)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1245338896)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)