JULIANNE MARQUET MATTSON MD
NPI 1578648382
Family Medicine in Everett, WA
About Julianne Marquet Mattson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JULIANNE MARQUET MATTSON MD (NPI 1578648382) is an individual family medicine provider in Everett, Washington, licensed in Washington (MD00033983) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Julianne Marquet Mattson Md 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 Julianne Mattson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Everett, WA 98201
- Reassigned Medicare billing, Washington enrollment
- 1,285 clinicians in this Medicare group
Seattle, WA 98122
- Reassigned Medicare billing, Washington enrollment
- 911 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 13
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Julianne Mattson's NPI number?
The NPI number for Julianne Mattson is 1578648382. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Julianne Mattson located?
Julianne Mattson practices at 3927 Rucker Ave, Everett, WA 98201. The listed phone number is (425) 339-5422.
What is Julianne Mattson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Julianne Mattson enrolled in Medicare?
Yes. Julianne Mattson 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 Julianne Mattson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Julianne Mattson reassigns Medicare benefits to 2 organizations: Optum Care Washington PLLC (Everett, WA) and The Polyclinic PLLC (Seattle, 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 Julianne Mattson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Julianne Mattson accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Julianne Mattson 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.
When was this NPI record last updated?
The NPPES record for Julianne Mattson was last updated on June 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.