# John Joseph Mazur, MD

Source: https://ourhealthnetwork.com/doctor/john-mazur-md-1659364651
NPI: 1659364651
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John Joseph Mazur, MD is a pulmonary disease based in Great Falls, MT practicing at Great Falls Clinic Llc with NPI 1659364651.

## Profile

- Primary specialty: Pulmonary Disease
- Secondary specialties: CRITICAL CARE (INTENSIVISTS)
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF MICHIGAN MEDICAL SCHOOL
- Graduation year: 1986
- NPI: 1659364651 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1659364651))

## 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: 69 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 (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) — 12 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 6 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 Joseph Mazur, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1659364651).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 45 disclosed payments from medical industry sources totaling approximately $1,041.

Largest disclosed payer: Merck Sharp & Dohme LLC ($176 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 Pulmonary Disease doctors in GREAT FALLS, MT](https://ourhealthnetwork.com/pulmonary-disease/mt/great-falls)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1659364651)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)