# Sienmi Du, MD

Source: https://ourhealthnetwork.com/doctor/sienmi-du-md-1447711320
NPI: 1447711320
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Sienmi Du, MD is a obstetrics/gynecology based in Santa Cruz, CA practicing at Ucsf Health Medical Foundation with NPI 1447711320.

## Profile

- Primary specialty: Obstetrics/Gynecology
- Credential: MD
- Gender: Female
- Graduation year: 2019
- NPI: 1447711320 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1447711320))

## Practice and contact

- Practice name: Ucsf Health Medical Foundation
- Address: 1665 Dominican Way, Suite 224, Santa Cruz, CA, 950651515
- Phone: (831) 246-8772
- Group practice size: 72 members

## Insurance accepted (3 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) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 8 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Sienmi Du, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1447711320).

## 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 $47.

Largest disclosed payer: Adaptive Biotechnologies Corporation ($28 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 Obstetrics/Gynecology doctors in SANTA CRUZ, CA](https://ourhealthnetwork.com/obstetrics-gynecology/ca/santa-cruz)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1447711320)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)