Quick answers
- Which hospitals does Katie L. Ernst work at?
- Medicare's official clinician data lists Katie L. Ernst at 1 hospital: Jefferson Healthcare. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Katie L. Ernst see patients?
- Medicare's clinician data lists 1 practice location in Poulsbo, WA. Call before your visit to confirm the address.
- What is Katie L. Ernst's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Katie L. Ernst accept Medicare assignment?
- Yes. Medicare's clinician data says Katie L. Ernst 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 Katie L. Ernst?
- (360) 291-5700, as listed in official Medicare / NPI Registry data.
- What is Katie L. Ernst's NPI number?
- 1851811327. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Katie L. Ernst works
Medicare's Facility Affiliation Data lists Katie L. Ernst at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Jefferson HealthcarePort Townsend, WA · Critical Access Hospital · CCN 501323
Practice locations
Addresses where Katie L. Ernst is enrolled with Medicare (CMS data updated 2026-10-02).
- 21800 Market Pl NW, Suite 103Poulsbo, WA 98370 (360) 291‑5700
Group practices
Medicare enrollment lists Katie L. Ernst as a member of this group (CMS data updated 2026-10-02).
- Smithcare General Dermatology, Mohs Surgery and Aesthetics PLLC4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Poulsbo
Clinicians with the same Medicare primary specialty in Poulsbo, WA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851811327 |
| 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