# Derek William Matthies, PSY

Source: https://ourhealthnetwork.com/doctor/derek-matthies-psy-1194268458
NPI: 1194268458
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Derek William Matthies, PSY is a clinical psychologist based in Petaluma, CA practicing at Permanente Medical Group Inc with NPI 1194268458.

## Profile

- Primary specialty: Clinical Psychologist
- Credential: PSY
- Gender: Male
- Graduation year: 2016
- NPI: 1194268458 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1194268458))

## Practice and contact

- Practice name: Permanente Medical Group Inc
- Address: 1900 S Mcdowell Blvd, Petaluma, CA, 949545473
- Phone: (707) 765-3900
- 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 Derek William Matthies, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1194268458).

## Related on OurHealthNetwork

- [More Clinical Psychologist doctors in PETALUMA, CA](https://ourhealthnetwork.com/clinical-psychologist/ca/petaluma)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1194268458)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)