# Santiago Villarreal, MD

Source: https://ourhealthnetwork.com/doctor/santiago-villarreal-md-1225035199
NPI: 1225035199
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Santiago Villarreal, MD is a nephrology based in Pearsall, TX with NPI 1225035199.

## Profile

- Primary specialty: Nephrology
- Secondary specialties: INTERNAL MEDICINE
- Credential: MD
- Gender: Male
- Graduation year: 1977
- NPI: 1225035199 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1225035199))

## Practice and contact

- Address: 151 Medical Dr, Pearsall, TX, 780616604
- Phone: (830) 334-4142

## Insurance accepted (9 networks)

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

- [HCSC: BCBS Texas](https://ourhealthnetwork.com/insurance/hcsc-bcbs-texas) — 43 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 18 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 12 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 6 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 3 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 3 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [Highmark BCBS Pennsylvania](https://ourhealthnetwork.com/insurance/highmark-bcbs-pennsylvania) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Santiago Villarreal, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1225035199).

## 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 $125.

Largest disclosed payer: AstraZeneca Pharmaceuticals LP ($109 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 Nephrology doctors in PEARSALL, TX](https://ourhealthnetwork.com/nephrology/tx/pearsall)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1225035199)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)