# William M Liu, MD

Source: https://ourhealthnetwork.com/doctor/william-liu-md-1013022722
NPI: 1013022722
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William M Liu, MD is a internal medicine based in Laguna Niguel, CA practicing at Providence Medical Institute with NPI 1013022722 and offers telehealth visits.

## Profile

- Primary specialty: Internal Medicine
- Secondary specialties: RHEUMATOLOGY
- Credential: MD
- Gender: Male
- Medical school: LOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
- Graduation year: 1979
- Telehealth: Yes
- NPI: 1013022722 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1013022722))

## Practice and contact

- Practice name: Providence Medical Institute
- Location: Laguna Niguel, CA 92677
- Group practice size: 340 members

## Insurance accepted (7 networks)

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

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 18 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 10 plans
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 4 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [L.A. Care Health Plan](https://ourhealthnetwork.com/insurance/la-care-health-plan) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers William M Liu, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1013022722).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 9 disclosed payments from medical industry sources totaling approximately $594.

Largest disclosed payer: Janssen Biotech, Inc. ($366 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 Internal Medicine doctors in LAGUNA NIGUEL, CA](https://ourhealthnetwork.com/internal-medicine/ca/laguna-niguel)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1013022722)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)