Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Shannon Sullivan Smithson, PA-C
Physician Assistant in Seaside, CA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154603264
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Registry record
Entity type Individual (Type 1)
Name Shannon Sullivan Smithson
Credential PA-C
Sex Female
Practice address 1513 Fremont Blvd Ste E1, Seaside, CA, 93955
Phone (831) 899-1910
Fax (831) 393-9483
Enumeration date Sep 14, 2011
Last updated in NPPES Apr 30, 2019
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 21852 (CA) 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
What is the NPI number for Shannon Smithson?
The National Provider Identifier (NPI) for Shannon Smithson is 1154603264, a Type 1 (individual) record in the CMS NPPES registry.
Where does Shannon Smithson practice?
The practice location on file with NPPES is in Seaside, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-04-30.