# Anna R Chang, MD

Source: https://ourhealthnetwork.com/doctor/anna-chang-md-1568402931
NPI: 1568402931
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Anna R Chang, MD is a endocrinology based in Concord, CA practicing at John Muir Physician Network with NPI 1568402931 and offers telehealth visits.

## Profile

- Primary specialty: Endocrinology
- Credential: MD
- Gender: Female
- Medical school: UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
- Graduation year: 1998
- Telehealth: Yes
- NPI: 1568402931 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1568402931))

## Practice and contact

- Practice name: John Muir Physician Network
- Address: 2700 Grant St, Suite 200, Concord, CA, 945202270
- Phone: (925) 674-0500
- Group practice size: 491 members

## CMS quality measures (MIPS)

- Overall MIPS final score: 85.73/100
- Quality category score: 82.68/100
- Promoting Interoperability score: 99.00/100
- Improvement Activities score: 40.00/100
- Cost category score: 70.5887/100

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

## 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:

- [Cigna](https://ourhealthnetwork.com/insurance/cigna) — 17 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 8 plans
- [UnitedHealthcare](https://ourhealthnetwork.com/insurance/unitedhealthcare) — 5 plans
- [Blue Shield of California](https://ourhealthnetwork.com/insurance/blue-shield-of-california) — 3 plans
- [UMR](https://ourhealthnetwork.com/insurance/umr) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Anna R Chang, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1568402931).

## Industry payments disclosure (CMS Open Payments)

Per CMS Open Payments data (most recent year 2024), this provider has received 16 disclosed payments from medical industry sources totaling approximately $447.

Largest disclosed payer: Boehringer Ingelheim 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 Endocrinology doctors in CONCORD, CA](https://ourhealthnetwork.com/endocrinology/ca/concord)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1568402931)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)