Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Mark Elliot Butler, PHARMACIST
Pharmacist in Poulsbo, WA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1356676639
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Registry record
Entity type Individual (Type 1)
Name Mr. Mark Elliot Butler
Credential PHARMACIST
Sex Male
Practice address 19475 7th Ave Ne, Poulsbo, WA, 98370
Phone (360) 697-2209
Fax (360) 697-5979
Enumeration date Oct 5, 2009
Last updated in NPPES Oct 5, 2009
Taxonomy & licenses
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 Mark Butler practice?
The practice location on file with NPPES is in Poulsbo, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Butler?
The National Provider Identifier (NPI) for Mark Butler is 1356676639, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-10-05.