# Ian K Hornstra, MD

Source: https://ourhealthnetwork.com/doctor/ian-hornstra-md-1124044359
NPI: 1124044359
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Ian K Hornstra, MD is a dermatology based in Saint Louis, MO with NPI 1124044359.

## Profile

- Primary specialty: Dermatology
- Credential: MD
- Gender: Male
- NPI: 1124044359 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1124044359))

## Practice and contact

- Address: 915 N Grand Blvd, Saint Louis, MO, 63106
- Phone: (314) 652-4100

## 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 $56.

Largest disclosed payer: LEO Pharma Inc. ($28 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 Dermatology doctors in SAINT LOUIS, MO](https://ourhealthnetwork.com/dermatology/mo/saint-louis)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1124044359)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)