Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Matthew Alexander Johnston, MD

Individual provider Surgery Physician · NPI 1003062290

Dr. Matthew Alexander Johnston, MD is a General Surgery in Seattle, Washington. Graduated from University of Kansas School of Med (KC/WICH/SAL) in 2005, 21 years ago. Practices with Swedish Health Services, a 1,045-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
21
Trained at
University of Kansas School of Med (KC/WICH/SAL)
Licensed in
WA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1221 E Madison St Ste 1401
Seattle, WA 98122-3913
Phone: (206) 386-6702
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MD60144427 (WA)

Record details

NPI number1003062290
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 7, 2008
Last updated in NPPESJuly 20, 2010
Mailing address3701 38th Ave S, Seattle, WA 98144-7125

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolUNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Graduated 2005 (21 years in practice)
Group practice Swedish Health Services — 1045 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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