# Brett A Williams, MD

Source: https://ourhealthnetwork.com/doctor/brett-williams-md-1639236011
NPI: 1639236011
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Brett A Williams, MD is a thoracic surgery based in Great Falls, MT practicing at Great Falls Clinic Llc with NPI 1639236011.

## Profile

- Primary specialty: Thoracic Surgery
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
- Graduation year: 1982
- NPI: 1639236011 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1639236011))

## Practice and contact

- Practice name: Great Falls Clinic Llc
- Address: 1400 29th St S, Great Falls, MT, 594055315
- Phone: (406) 454-2171
- Group practice size: 59 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 87.26/100
- Quality category score: 82.97/100
- Promoting Interoperability score: 85.91/100
- Improvement Activities score: 40.00/100

Source: CMS Quality Payment Program. MIPS scores reflect Medicare provider performance on quality, cost, and care improvement measures.

## Insurance accepted (3 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
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Brett A Williams, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1639236011).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 2 disclosed payments from medical industry sources totaling approximately $119.

Largest disclosed payer: Medtronic, Inc. ($99 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 Thoracic Surgery doctors in GREAT FALLS, MT](https://ourhealthnetwork.com/thoracic-surgery/mt/great-falls)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1639236011)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)