# Gregory S Chang, MD

Source: https://ourhealthnetwork.com/doctor/gregory-chang-md-1801974407
NPI: 1801974407
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Gregory S Chang, MD is a anesthesiology based in San Francisco, CA practicing at Permanente Medical Group Inc with NPI 1801974407.

## Profile

- Primary specialty: Anesthesiology
- Secondary specialties: INTERVENTIONAL PAIN MANAGEMENT
- Credential: MD
- Gender: Male
- Medical school: UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
- Graduation year: 1994
- NPI: 1801974407 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1801974407))

## Practice and contact

- Practice name: Permanente Medical Group Inc
- Address: 2425 Geary Blvd, San Francisco, CA, 941153358
- Phone: (415) 833-2200
- Group practice size: 10921 members

## Insurance accepted (2 networks)

This provider is in network with the following insurance carriers, based on federal Transparency in Coverage filings and FHIR provider directories:

- [Kaiser Permanente Northern California](https://ourhealthnetwork.com/insurance/kaiser-permanente-northern-california) — 1 plan
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Gregory S Chang, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1801974407).

## 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 $46.

Largest disclosed payer: Heron Therapeutics, Inc. ($46 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 SAN FRANCISCO, CA](https://ourhealthnetwork.com/anesthesiology/ca/san-francisco)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1801974407)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)