Matthew James Slater, PA-C
Physician Assistant · Everett, WA
Matthew James Slater, PA-C is a physician assistant with a practice address in Everett, Washington, and NPI 1902058019, issued on Oct 21, 2008. Check the license (Washington PA60053066, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew James Slater
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA60053066 WA
PA22437 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1330 Rockefeller Ave Ste 400, Everett, WA 98201
- Phone
- (425) 261-4950
- Enumerated
- Oct 21, 2008
- Record last updated
- Apr 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081201000562); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 1330 Rockefeller Ave Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew James Slater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60053066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average physician assistant in 2024
277 Medicare Part D claims for 39 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Clopidogrel34 claims
- Pantoprazole Sodium24 claims
- Amiodarone Hcl23 claims
- Potassium Chloride23 claims
- Furosemide22 claims
- Atorvastatin Calcium21 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.
Industry payments in 2024: $110.00
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services- WashingtonEverett, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew James Slater among 3,718 physician assistant records in Washington
Matthew James Slater, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 27% of them.
- NPI issued2008 · 27% of these records are older, 70% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2017 among the 2,460 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
144 physician assistant records list a practice address in Everett
They are 144 of the 7,246 NPPES records with a practice address in Everett, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Everett → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Wayne Bjur, PACEverett, WA 982011578596631
- Leslie Chamberlain, PA-CEverett, WA 982011386661080
- Edyth Collins, P.A.Everett, WA 982011982632220
- Margaret Heller, PACEverett, WA 982011457317141
- Robert Hutchinson, P.A.-CEverett, WA 982011346293107
- Timothy Jones, PA-CEverett, WA 982011245284561
- Jonathan Maher, PA-CEverett, WA 982011154373140
- Jude Patton, PA-CEverett, WA 982011417920810
Common questions
What is Matthew James Slater, PA-C's NPI number?
Matthew James Slater, PA-C's National Provider Identifier (NPI) is 1902058019, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew James Slater, PA-C located?
The NPPES record lists a practice address at 1330 Rockefeller Ave Ste 400, Everett, WA, 98201. Phone: (425) 261-4950. Providers update this record themselves, so call before visiting.
How can I verify Matthew James Slater, PA-C's license?
NPPES lists Washington license number PA60053066, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew James Slater, PA-C prescribe under Medicare Part D?
In 2024, Matthew James Slater, PA-C had 277 Medicare Part D claims for 39 beneficiaries; the average among physician assistant prescribers was 830. 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.