# Constance C Twu, OD

Source: https://ourhealthnetwork.com/doctor/constance-twu-od-1619028669
NPI: 1619028669
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Constance C Twu, OD is a optometry based in Ontario, CA practicing at Southern California Permanente Medical Group with NPI 1619028669.

## Profile

- Primary specialty: Optometry
- Credential: OD
- Gender: Female
- Medical school: SOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
- Graduation year: 2002
- NPI: 1619028669 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1619028669))

## Practice and contact

- Practice name: Southern California Permanente Medical Group
- Address: 2295 S Vineyard Ave, Ontario, CA, 917617925
- Phone: (909) 724-5000
- Group practice size: 11190 members

## 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) — 14 plans
- [Kaiser Permanente Southern California](https://ourhealthnetwork.com/insurance/kaiser-permanente-southern-california) — 2 plans

To verify a specific plan covers Constance C Twu, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1619028669).

## 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 $123.

Largest disclosed payer: Bausch & Lomb Americas Inc. ($123 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 Optometry doctors in ONTARIO, CA](https://ourhealthnetwork.com/optometry/ca/ontario)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1619028669)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)