# Leonard Walter Ostrowski, III, DDS

Source: https://ourhealthnetwork.com/doctor/leonard-ostrowski-dds-1225276504
NPI: 1225276504
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Leonard Walter Ostrowski, III, DDS is a dentist based in Tustin, CA with NPI 1225276504.

## Profile

- Primary specialty: Dentist
- Credential: DDS
- Gender: Male
- NPI: 1225276504 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1225276504))

## Practice and contact

- Address: 13721 Newport Ave., Suite 1, Tustin, CA, 92780
- Phone: (714) 368-1400

## Insurance accepted (5 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Highmark BCBS Delaware](https://ourhealthnetwork.com/insurance/highmark-bcbs-delaware) — 11 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 7 plans
- [BCBS Massachusetts HMO](https://ourhealthnetwork.com/insurance/bcbs-massachusetts-hmo) — 1 plan
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 1 plan

To verify a specific plan covers Leonard Walter Ostrowski, III, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1225276504).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 1 disclosed payment from medical industry sources totaling approximately $19.

Largest disclosed payer: Dentsply Sirona Inc ($19 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 Dentist doctors in TUSTIN, CA](https://ourhealthnetwork.com/dentist/ca/tustin)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1225276504)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)