Quick answers
- Which hospitals does Leah E. Karlsen work at?
- Medicare's official clinician data lists Leah E. Karlsen at 3 hospitals: Swedish Edmonds Hospital, Swedish Medical Center and Swedish Medical Center / Cherry Hill. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Leah E. Karlsen see patients?
- Medicare's clinician data lists 1 practice location in Seattle, WA. Call before your visit to confirm the address.
- What is Leah E. Karlsen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Leah E. Karlsen accept Medicare assignment?
- Yes. Medicare's clinician data says Leah E. Karlsen 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.
- Does Leah E. Karlsen offer telehealth?
- Medicare's clinician data says Leah E. Karlsen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Leah E. Karlsen?
- (206) 320-3335, as listed in official Medicare / NPI Registry data.
- What is Leah E. Karlsen's NPI number?
- 1104408806. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Leah E. Karlsen works
Medicare's Facility Affiliation Data lists Leah E. Karlsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · CCN 500026
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · CCN 500027
- Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · CCN 500025
Practice locations
Addresses where Leah E. Karlsen is enrolled with Medicare (CMS data updated 2026-10-02).
- 5350 Tallman Ave NW, Suite 301Seattle, WA 98107 (206) 320‑3335
Group practices
Medicare enrollment lists Leah E. Karlsen as a member of this group (CMS data updated 2026-10-02).
- Swedish Health Services385 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104408806 |
| 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