# Siena Elisa Ona, MD

Source: https://ourhealthnetwork.com/doctor/sienaelisa-ona-md-1174963458
NPI: 1174963458
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Siena Elisa Ona, MD is a physical medicine and rehabilitation based in Fullerton, CA practicing at Dieumy Michelle Thai M D Inc with NPI 1174963458.

## Profile

- Primary specialty: Physical Medicine And Rehabilitation
- Credential: MD
- Gender: Female
- Graduation year: 2010
- NPI: 1174963458 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1174963458))

## Practice and contact

- Practice name: Dieumy Michelle Thai M D Inc
- Address: 101 E Valencia Mesa Dr, Fullerton, CA, 928353809
- Phone: (714) 771-8000
- Group practice size: 4 members

## Insurance accepted (6 networks)

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

- [HCSC: BCBS Illinois](https://ourhealthnetwork.com/insurance/hcsc-bcbs-illinois) — 55 plans
- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 4 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 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 Siena Elisa Ona, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1174963458).

## 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 $146.

Largest disclosed payer: Janssen Pharmaceuticals, Inc ($146 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 Physical Medicine And Rehabilitation doctors in FULLERTON, CA](https://ourhealthnetwork.com/physical-medicine-and-rehabilitation/ca/fullerton)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1174963458)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)