# William Shun Tzeng, MD

Source: https://ourhealthnetwork.com/doctor/william-tzeng-md-1649809385
NPI: 1649809385
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William Shun Tzeng, MD is a internal medicine based in Hacienda Heights, CA practicing at Health Alliance Medical Group with NPI 1649809385 and offers telehealth visits.

## Profile

- Primary specialty: Internal Medicine
- Credential: MD
- Gender: Male
- Medical school: WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
- Graduation year: 2020
- Telehealth: Yes
- NPI: 1649809385 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1649809385))

## Practice and contact

- Practice name: Health Alliance Medical Group
- Address: 17170 Colima Rd, Suite G, Hacienda Heights, CA, 917456771
- Phone: (626) 965-8202
- Group practice size: 2 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 46.94/100
- Quality category score: 55.85/100
- Promoting Interoperability score: 100.00/100
- Improvement Activities score: 0.00/100
- Cost category score: 17.293/100

Source: CMS Quality Payment Program. MIPS scores reflect Medicare provider performance on quality, cost, and care improvement measures.

## Insurance accepted (5 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
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans
- [L.A. Care Health Plan](https://ourhealthnetwork.com/insurance/la-care-health-plan) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers William Shun Tzeng, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1649809385).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 36 disclosed payments from medical industry sources totaling approximately $1,002.

Largest disclosed payer: Amgen Inc. ($244 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 HACIENDA HEIGHTS, CA](https://ourhealthnetwork.com/internal-medicine/ca/hacienda-heights)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1649809385)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)