Julianne Marquet Mattson, MD
Family Medicine Physician · Everett, WA
Julianne Marquet Mattson, MD is a family medicine physician with a practice address in Everett, Washington, and NPI 1578648382, issued on Oct 27, 2006. Check the license (Washington MD00033983, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Julianne Marquet Mattson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00033983 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3927 Rucker Ave, Everett, WA 98201
- Phone
- (425) 339-5422
- Enumerated
- Oct 27, 2006
- Record last updated
- Jun 17, 2026
- Medicaid IDs
- 1013800 WA
8232167 WA - Medicare enrollment
- Enrolled (PECOS I20040227000951); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 3927 Rucker Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Julianne Marquet Mattson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00033983Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
340 Medicare Part D claims for 206 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass34 claims
- Prednisone32 claims
- Cefpodoxime Proxetil21 claims
- Fluconazole20 claims
- Triamcinolone Acetonide20 claims
- Doxycycline Hyclate19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Optum Care Washington PLLCEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julianne Marquet Mattson among 5,534 family medicine physician records in Washington
Julianne Marquet Mattson, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2009 among the 3,294 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
195 family medicine physician records list a practice address in Everett
They are 195 of the 7,246 NPPES records with a practice address in Everett, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Everett → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Erik Bylund, MDEverett, WA 982011306833090
- Brett Daniel, M.D.Everett, WA 982011932198892
- Ellen Dejong, MDEverett, WA 982011639167638
- James Fasciano, M.D.Everett, WA 982011467427443
- Mark Flynn, MDEverett, WA 982011528059441
- Sean McLaughlin, M.D.Everett, WA 982011447252556
- Heather Morphy, M.D.Everett, WA 982011912908294
- Lisa Murphy, MDEverett, WA 982011265414049
Common questions
What is Julianne Marquet Mattson, MD's NPI number?
Julianne Marquet Mattson, MD's National Provider Identifier (NPI) is 1578648382, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Julianne Marquet Mattson, MD located?
The NPPES record lists a practice address at 3927 Rucker Ave, Everett, WA, 98201. Phone: (425) 339-5422. Providers update this record themselves, so call before visiting.
How can I verify Julianne Marquet Mattson, MD's license?
NPPES lists Washington license number MD00033983, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Julianne Marquet Mattson, MD prescribe under Medicare Part D?
In 2024, Julianne Marquet Mattson, MD had 340 Medicare Part D claims for 206 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.