Quick answers
- Which hospitals does Ashley L. Thiessen work at?
- Medicare's official clinician data lists Ashley L. Thiessen at 1 hospital: Adventist Health Tillamook. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ashley L. Thiessen see patients?
- Medicare's clinician data lists 5 practice locations, including Tillamook, OR, Vernonia, OR and Manzanita, OR. Call before your visit to confirm the address.
- What is Ashley L. Thiessen's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Ashley L. Thiessen accept Medicare assignment?
- Yes. Medicare's clinician data says Ashley L. Thiessen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ashley L. Thiessen?
- (503) 815-2260, as listed in official Medicare / NPI Registry data.
- What is Ashley L. Thiessen's NPI number?
- 1730792409. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ashley L. Thiessen works
Medicare's Facility Affiliation Data lists Ashley L. Thiessen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health TillamookTillamook, OR · Critical Access Hospital · CCN 381317
Practice locations
Addresses where Ashley L. Thiessen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 3rd StTillamook, OR 97141 (503) 815‑2260
- 1005 Cougar StVernonia, OR 97064 (503) 842‑4444
- 1011 3rd StTillamook, OR 97141 (503) 915‑2280
- 10445 Neahkahnie Creek Rd, Adventist HealthManzanita, OR 97130 (503) 815‑2260
- 1100 3rd StTillamook, OR 97141 (503) 815‑2280
Group practices
Medicare enrollment lists Ashley L. Thiessen as a member of this group (CMS data updated 2026-10-02).
- Northwest Medical Foundation of Tillamook82 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Tillamook
Clinicians with the same Medicare primary specialty in Tillamook, OR — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730792409 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians