Quick answers
- Which hospitals does Lisa Thomassen work at?
- Medicare's official clinician data lists Lisa Thomassen at 1 hospital: Kaiser Permanente Central Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lisa Thomassen see patients?
- Medicare's clinician data lists 3 practice locations, including Seattle, WA and Everett, WA. Call before your visit to confirm the address.
- What is Lisa Thomassen's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Lisa Thomassen accept Medicare assignment?
- Yes. Medicare's clinician data says Lisa Thomassen 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 Lisa Thomassen?
- (206) 326-3000, as listed in official Medicare / NPI Registry data.
- What is Lisa Thomassen's NPI number?
- 1568426955. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lisa Thomassen works
Medicare's Facility Affiliation Data lists Lisa Thomassen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Permanente Central HospitalSeattle, WA · Acute Care Hospital · CCN 500052
Practice locations
Addresses where Lisa Thomassen is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 16th Ave ESeattle, WA 98112 (206) 326‑3000
- 3927 Rucker AveEverett, WA 98201 (425) 339‑3930
- 904 7th AveSeattle, WA 98104 (206) 309‑1760
Group practices
Medicare enrollment lists Lisa Thomassen as a member of these groups (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of Washington1,526 clinicians in the group
- Optum Care Washington PLLC683 clinicians in the group
- The Polyclinic PLLC365 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Emory University School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568426955 |
| 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