# Guillermo Castillo, MD

Source: https://ourhealthnetwork.com/doctor/guillermo-castillo-md-1366558322
NPI: 1366558322
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Guillermo Castillo, MD is a family practice based in San Diego, CA with NPI 1366558322 and offers telehealth visits.

## Profile

- Primary specialty: Family Practice
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
- Graduation year: 2001
- Telehealth: Yes
- NPI: 1366558322 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1366558322))

## Practice and contact

- Location: San Diego, CA 92108
- Phone: (760) 662-8659

## Insurance accepted (4 networks)

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

- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 11 plans
- [Oxford Health Plans (UHC)](https://ourhealthnetwork.com/insurance/oxford-health-plans-uhc) — 2 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Guillermo Castillo, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1366558322).

## 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 $141.

Largest disclosed payer: Boston Scientific Corporation ($122 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 Family Practice doctors in SAN DIEGO, CA](https://ourhealthnetwork.com/family-practice/ca/san-diego)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1366558322)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)