# John S Leung, MD

Source: https://ourhealthnetwork.com/doctor/john-leung-md-1649214198
NPI: 1649214198
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John S Leung, MD is a emergency medicine based in West Covina, CA practicing at Smartclinic Inc with NPI 1649214198 and offers telehealth visits.

## Profile

- Primary specialty: Emergency Medicine
- Credential: MD
- Gender: Male
- Medical school: BOSTON UNIVERSITY SCHOOL OF MEDICINE
- Graduation year: 1997
- Telehealth: Yes
- NPI: 1649214198 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1649214198))

## Practice and contact

- Practice name: Smartclinic Inc
- Address: 2707 E Valley Blvd, Suite 116, West Covina, CA, 917923196
- Phone: (626) 581-1000
- Group practice size: 2 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 91.38/100
- Quality category score: 78.09/100
- Improvement Activities score: 40.00/100

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) — 18 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [Molina Healthcare](https://ourhealthnetwork.com/insurance/molina-healthcare) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers John S Leung, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1649214198).

## 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 $18.

Largest disclosed payer: Janssen Pharmaceuticals, Inc ($18 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 Emergency Medicine doctors in WEST COVINA, CA](https://ourhealthnetwork.com/emergency-medicine/ca/west-covina)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1649214198)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)