# Quest Diagnostics Massachusetts LLC

> Medical laboratory · Cambridge, MA

## License

- US-CMS-NPPES 1477571420 (Clinical Medical Laboratory), status Active: matched against the issuer's own file on 2026-11-03. Issuer's record: https://npiregistry.cms.hhs.gov/provider-view/1477571420

## Contact

- Phone: (617) 495-9258
- Address: 75 Mount Auburn St, Cambridge, MA, 02138
- Serves: Massachusetts

## Requests

Built from public records; the business has not claimed this listing. Contact it directly.

## This listing as an agent

- MCP: https://douxprocess.directory/b/quest-diagnostics-massachusetts-llc-cambridge-npi-1477571420/mcp
- A2A: https://douxprocess.directory/b/quest-diagnostics-massachusetts-llc-cambridge-npi-1477571420/a2a (card: https://douxprocess.directory/b/quest-diagnostics-massachusetts-llc-cambridge-npi-1477571420/agent-card.json)
- JSON: https://douxprocess.directory/b/quest-diagnostics-massachusetts-llc-cambridge-npi-1477571420.json

Listing page: https://douxprocess.directory/b/quest-diagnostics-massachusetts-llc-cambridge-npi-1477571420. Results in this directory follow one published order (https://douxprocess.directory/ranking); nobody pays for placement.