Jonathan Seabrook, PAC
Physician Assistant · Everett, WA
Jonathan Seabrook, PAC is a physician assistant with a practice address in Everett, Washington, and NPI 1275541393, issued on Aug 4, 2006. Check the license (Washington PA10003632, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Seabrook
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA10003632 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3927 Rucker Ave, Everett, WA 98201
- Phone
- (425) 339-5422
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 9, 2026
- Fax
- (425) 339-5444
- Medicare enrollment
- Enrolled (PECOS I20050110000581); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 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 Jonathan Seabrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10003632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average physician assistant in 2024
759 Medicare Part D claims for 547 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Doxycycline Hyclate90 claims
- Amoxicillin-Clavulanate Potass74 claims
- Cefuroxime73 claims
- Cephalexin62 claims
- Prednisone59 claims
- Tizanidine Hcl48 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).
Jonathan Seabrook among 3,718 physician assistant records in Washington
Jonathan Seabrook, PAC 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 80% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2017 among the 2,460 with a school on file
- Record last updated2026 · 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 Jonathan Seabrook, PAC's NPI number?
Jonathan Seabrook, PAC's National Provider Identifier (NPI) is 1275541393, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Seabrook, PAC 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 Jonathan Seabrook, PAC's license?
NPPES lists Washington license number PA10003632, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan Seabrook, PAC prescribe under Medicare Part D?
In 2024, Jonathan Seabrook, PAC had 759 Medicare Part D claims for 547 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.