Mariann Williams, NP
Mariann Williams, NP is a Nurse Practitioner in Tonasket, Washington. Qualified in 1994, 32 years ago. Practices with Okanogan County Public Hospital Dist No 4, a 50-clinician group and accepts Medicare assignment. Licensed in Washington.
- Years since qualifying
- 32
- Licensed in
- WA
- In the registry since
- 2006
- Specialties on file
- 2
What do these letters mean?
- NP — Nurse Practitioner
- An advanced practice nurse who can diagnose, treat and in most states prescribe.
Practice location Address checks out
118 S Whitcomb AveTonasket, WA 98855-9287
Phone: (509) 486-3191
Fax: (509) 223-1743
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Nurse Practitioner (primary) | Taxonomy 363L00000X · Licence AP30003589 (WA) |
|---|---|
| Nurse Practitioner | Taxonomy 363L00000X · Licence RN00056504 (WA) |
Record details
| NPI number | 1922166776 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | NP |
| Sole proprietor | No |
| NPI enumerated | December 5, 2006 |
| Last updated in NPPES | December 4, 2025 |
| Certification date | December 4, 2025 |
| Mailing address | 203 S Western Ave, Tonasket, WA 98855-8803 |
Medicare enrollment
| Medicare specialty | NURSE PRACTITIONER |
|---|---|
| Medical school | OTHER |
| Graduated | 1994 (32 years in practice) |
| Group practice | Okanogan County Public Hospital Dist No 4 — 50 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 2 on file with Medicare |
Other providers in Tonasket
-
MS. Priscilla Degraff, NP
203 S Western Ave, Tonasket, WA 98855-8803 · (509) 486-3107
-
Wanda L Garrett Antuna, ARNP
17 S Western Ave, Tonasket, WA 98855-9270 · (509) 486-2174
-
Sheri Kallsen, FNP-BC
203 S Western Ave, Tonasket, WA 98855-8803 · (509) 486-2151
-
Helen Walker
106 S Whitcomb Ave, Tonasket, WA 98855-9286 · (509) 486-0114