NPI Portal NPI Lookup & Verification

Mr. Jonathan Seabrook Jr., PAC

Mr. Jonathan Seabrook Jr. is a Physician Assistant provider (Physician Assistant) practicing in Everett, WA, registered in the NPPES registry with NPI 1275541393 since 2006. Practices at Optum Care Washington Pllc (listed at the same practice address in NPPES).

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NPI 1275541393
Entity type Individual (Type 1)
Name Mr. Jonathan Seabrook Jr.
Credential PAC
Sex Male
Practice address 4027 HOYT AVE, Everett, WA, 98201
Phone 4253048476
Fax 4253048477
Enumeration date 2006-08-04
Last updated in NPPES 2021-05-03

Taxonomy & licenses

Taxonomy code Specialty Primary License State
363A00000X Physician Assistant Primary PA10003632 WA

Other identifiers

Identifier Type State Issuer
210947 Other WA LABOR AND INDUSTRIES
Copy-ready billing details
Provider: Jonathan Seabrook, PAC
NPI: 1275541393
Taxonomy: 363A00000X (Physician Assistant)
Address: 4027 HOYT AVE, Everett, WA, 98201

Other providers at this practice address

NPI Name Type Specialty Location
1720059439 Wendy Duffy Individual Pharmacist Everett, WA
1235173246 Peter Nehring Individual Internal Medicine Physician Everett, WA
1053343319 Corina Nistor Individual Family Medicine Physician Everett, WA
1023043601 Jayna Neuman Individual Audiologist Everett, WA
1114036217 Leslie Poppe Individual Psychologist Everett, WA
1689785446 Lorraine Flaherty Individual Physical Therapist Everett, WA
1619072196 Gail English Individual Occupational Medicine Physician Everett, WA
1861597403 Mary Read Individual Family Medicine Physician Everett, WA

Verify this record

Cross-check NPI 1275541393 against the authoritative CMS record: view Mr. Jonathan Seabrook Jr. on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Jonathan Seabrook practice?
The practice location on file with NPPES is in Everett, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jonathan Seabrook?
The National Provider Identifier (NPI) for Jonathan Seabrook is 1275541393, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-05-03.