# Klaus D Mergener, MD

Source: https://ourhealthnetwork.com/doctor/klaus-mergener-md-1578537031
NPI: 1578537031
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Klaus D Mergener, MD is a gastroenterology based in Sioux Falls, SD practicing at Avera Mckennan with NPI 1578537031.

## Profile

- Primary specialty: Gastroenterology
- Credential: MD
- Gender: Male
- Graduation year: 1989
- NPI: 1578537031 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1578537031))

## Practice and contact

- Practice name: Avera Mckennan
- Address: 1000 E 23 St, Sioux Falls, SD, 571052114
- Group practice size: 1007 members

## Insurance accepted (14 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
- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 10 plans
- [BCBS Minnesota](https://ourhealthnetwork.com/insurance/bcbs-minnesota) — 6 plans
- [Highmark BCBS WV](https://ourhealthnetwork.com/insurance/highmark-bcbs-wv) — 6 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 5 plans
- [Premera BC](https://ourhealthnetwork.com/insurance/premera-bc) — 5 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [BCBS Michigan](https://ourhealthnetwork.com/insurance/bcbs-michigan) — 1 plan
- [BCBS North Carolina](https://ourhealthnetwork.com/insurance/bcbs-north-carolina) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [Regence BlueShield](https://ourhealthnetwork.com/insurance/regence-blueshield) — 1 plan

To verify a specific plan covers Klaus D Mergener, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1578537031).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 4 disclosed payments from medical industry sources totaling approximately $151.

Largest disclosed payer: Cook Medical LLC ($130 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 Gastroenterology doctors in SIOUX FALLS, SD](https://ourhealthnetwork.com/gastroenterology/sd/sioux-falls)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1578537031)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)