Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
James D Tierney, PA-C
Physician Assistant in Everett, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700817921
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name James D Tierney
Credential PA-C
Sex Male
Practice address 1717 13th St, Ste 401, Everett, WA, 98201
Phone (425) 297-6400
Enumeration date Jul 5, 2006
Last updated in NPPES Apr 8, 2021
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA10002340 (WA) Primary
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.
Frequently asked questions
Where does James Tierney 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 James Tierney?
The National Provider Identifier (NPI) for James Tierney is 1700817921, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Yoshio Inoue Medical Oncology Physician · Everett, WA NPI 1891748331 Elizabeth Miley Hematology & Oncology Physician · Everett, WA NPI 1326094970 James Congdon Hematology & Oncology Physician · Everett, WA NPI 1871532481 Mark Coughenour Hematology & Oncology Physician · Everett, WA NPI 1760421374 Peter Jiang Hematology & Oncology Physician · Everett, WA NPI 1689614398 Brandea Scott-Vessel Physician Assistant · Everett, WA NPI 1881774859 Optum Care Washington Pllc Durable Medical Equipment & Medical Supplies · Everett, WA NPI 1518019603 Sanjiv Kashyap Physician Assistant · Everett, WA NPI 1215075684
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-08.