Quick answers
- Which hospitals does Matthew A. Johnston work at?
- Medicare's official clinician data lists Matthew A. Johnston at 1 hospital: Swedish Issaquah. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew A. Johnston see patients?
- Medicare's clinician data lists 2 practice locations, including Seattle, WA and Issaquah, WA. Call before your visit to confirm the address.
- What is Matthew A. Johnston's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Matthew A. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew A. Johnston 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 Matthew A. Johnston?
- (206) 386-6000, as listed in official Medicare / NPI Registry data.
- What is Matthew A. Johnston's NPI number?
- 1003062290. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew A. Johnston works
Medicare's Facility Affiliation Data lists Matthew A. Johnston at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Swedish IssaquahIssaquah, WA · Acute Care Hospital · CCN 500152
Practice locations
Addresses where Matthew A. Johnston is enrolled with Medicare (CMS data updated 2026-10-02).
- 747 BroadwaySeattle, WA 98122 (206) 386‑6000
- 751 NE Blakely DrIssaquah, WA 98029
Group practices
Medicare enrollment lists Matthew A. Johnston as a member of this group (CMS data updated 2026-10-02).
- Swedish Health Services1,037 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003062290 |
| 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