# John H Chang, MD

Source: https://ourhealthnetwork.com/doctor/john-chang-md-1598704827
NPI: 1598704827
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

John H Chang, MD is a anesthesiology based in Mission Viejo, CA practicing at Western Anesthesia Medical Associates Inc with NPI 1598704827.

## Profile

- Primary specialty: Anesthesiology
- Credential: MD
- Gender: Male
- Medical school: JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
- Graduation year: 1996
- NPI: 1598704827 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1598704827))

## Practice and contact

- Practice name: Western Anesthesia Medical Associates Inc
- Address: 27700 Medical Ctr Rd, Mission Viejo, CA, 926916426
- Phone: (949) 364-1400
- Group practice size: 49 members

## Insurance accepted (4 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
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 7 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 1 plan

To verify a specific plan covers John H Chang, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1598704827).

## 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 $619.

Largest disclosed payer: Edwards Lifesciences Corporation ($600 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 Anesthesiology doctors in MISSION VIEJO, CA](https://ourhealthnetwork.com/anesthesiology/ca/mission-viejo)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1598704827)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)