# Regina Pacia Castillo, D.M

Source: https://ourhealthnetwork.com/doctor/regina-castillo-dm-1821209966
NPI: 1821209966
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Regina Pacia Castillo, D.M is a dentist based in Hayward, CA with NPI 1821209966.

## Profile

- Primary specialty: Dentist
- Credential: D.M
- Gender: Female
- NPI: 1821209966 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1821209966))

## Practice and contact

- Address: 28472 Hesperian Blvd, Hayward, CA, 945454853
- Phone: (510) 786-4501

## Insurance accepted (2 networks)

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

- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 11 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 1 plan

To verify a specific plan covers Regina Pacia Castillo, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1821209966).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 6 disclosed payments from medical industry sources totaling approximately $231.

Largest disclosed payer: Align Technology, Inc. ($231 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 HAYWARD, CA](https://ourhealthnetwork.com/dentist/ca/hayward)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1821209966)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)