DR. MATTHEW ALEXANDER JOHNSTON M.D.
NPI 1003062290
Surgery in Seattle, WA
About Dr. Matthew Alexander Johnston M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW ALEXANDER JOHNSTON M.D. (NPI 1003062290) is an individual surgery provider in Seattle, Washington, licensed in Washington (MD60144427) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with Swedish Issaquah, and is a graduate of University Of Kansas School Of Med (kc/wich/sal) (2005).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Matthew Alexander Johnston M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Matthew Johnston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 1,270 clinicians in this Medicare group
College Place, WA 99324
- Reassigned Medicare billing, Washington enrollment
- 276 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Swedish Issaquah
Acute Care Hospitals · Issaquah, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Matthew Johnston's NPI number?
The NPI number for Matthew Johnston is 1003062290. It was assigned to this individual provider in the NPPES registry on August 7, 2008.
Where is Matthew Johnston located?
Matthew Johnston practices at 1221 E Madison St Ste 1401, Seattle, WA 98122. The listed phone number is (206) 386-6702.
What is Matthew Johnston's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Matthew Johnston enrolled in Medicare?
Yes. Matthew Johnston is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Matthew Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Johnston reassigns Medicare benefits to 2 organizations: Swedish Health Services (Seattle, WA) and Providence Health & Services Washington (College Place, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Matthew Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Johnston accept?
Health plans from Ambetter Health, Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Matthew Johnston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Matthew Johnston affiliated with any hospitals?
According to CMS data, Matthew Johnston is affiliated with Swedish Issaquah.
When was this NPI record last updated?
The NPPES record for Matthew Johnston was last updated on July 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.