# William K Marek

Source: https://ourhealthnetwork.com/doctor/william-marek-1851560544
NPI: 1851560544
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

William K Marek is a clinical psychologist based in Mill Valley, CA with NPI 1851560544 and offers telehealth visits.

## Profile

- Primary specialty: Clinical Psychologist
- Gender: Male
- Graduation year: 1989
- Telehealth: Yes
- NPI: 1851560544 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1851560544))

## Practice and contact

- Address: 214 Laverne Ave, Mill Valley, CA, 949414431
- Phone: (925) 275-0290

## Insurance accepted (3 networks)

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

- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 2 plans
- [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 William K Marek, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1851560544).

## Related on OurHealthNetwork

- [More Clinical Psychologist doctors in MILL VALLEY, CA](https://ourhealthnetwork.com/clinical-psychologist/ca/mill-valley)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1851560544)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)