# Mariann S Williams, NP

Source: https://ourhealthnetwork.com/doctor/mariann-williams-np-1922166776
NPI: 1922166776
Data source: CMS NPI Registry (DAC), refreshed monthly

## Quick facts

Mariann S Williams, NP is a nurse practitioner based in Tonasket, WA practicing at Okanogan County Public Hospital Dist No 4 with NPI 1922166776.

## Profile

- Primary specialty: Nurse Practitioner
- Credential: NP
- Gender: Female
- Graduation year: 1994
- NPI: 1922166776 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1922166776))

## Practice and contact

- Practice name: Okanogan County Public Hospital Dist No 4
- Address: 118 N Whitcomb Ave, Tonasket, WA, 988558829
- Phone: (509) 486-3191
- Group practice size: 59 members

## Insurance accepted (5 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
- [Humana](https://ourhealthnetwork.com/insurance/humana) — 9 plans
- [Premera BC](https://ourhealthnetwork.com/insurance/premera-bc) — 5 plans
- [Aetna](https://ourhealthnetwork.com/insurance/aetna) — 2 plans
- [Medicare](https://ourhealthnetwork.com/insurance/medicare) — 1 plan

To verify a specific plan covers Mariann S Williams, use the [OurHealthNetwork Insurance Matcher](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1922166776).

## Related on OurHealthNetwork

- [More Nurse Practitioner doctors in TONASKET, WA](https://ourhealthnetwork.com/nurse-practitioner/wa/tonasket)
- [Find insurance plans that cover this doctor](https://ourhealthnetwork.com/tools/insurance-matcher?npis=1922166776)
- [Browse all 5.5M US healthcare providers](https://ourhealthnetwork.com/find-doctors)
- [About our data and methodology](https://ourhealthnetwork.com/methodology)